Posts Tagged ‘1958’

1958 – RUM – Remote Underwater Manipulator – Victor Anderson (American)

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RUM – Remote Underwater Manipulator

Press Release: U.S. Navy reveals new remote control vehicle for exploring ocean bottom.: A unique remote control undersea vehicle for exploring and conducting scientific studies of the ocean bottom for prolonged periods at great depths has been developed for the Office of Naval Research. The new vehicle was demonstrated for the Press off the shore of La Jolla, California, May 16. 1960. The vehicle is essentially a tank equipped with a long jointed manipulator arm and hand together with specially devised underwater television cameras which serve as the eyes of the vehicle's operator on shore. The development of the Remote Underwater Manipulator was directed by Dr. Victor Anderson of the Marine Physical laboratory of the Scripps Institution of Oceanography of the University of California at La Jolla for use in co-operation with the Hudson Laboratory of Columbia University. The goal of the Navy R.U.M. developments is to have available a vehicle capable of performing controlled work functions is oceanographic research. This includes observation of the sea floor, the collection of samples and specimens and the assembly and installation of deep bottom-mounted instrumentation in the ocean. R.U.M. (Remote Underwater Manipulator) can operate at depths down to 20,000 feet, maintained a speed of 3 miles per hour where level bottom soil conditions permit. It can manoeuvre and operate on grades of 60 percent and is capable of climbing a vertical obstacle 12 inches in height. It is seen here returning from ocean floor during tests.


Source: SIO Reference 60-26
MPL EXPERIMENTAL RUM
Victor C. Anderson, University of California, La Jolla Marine Physical Laboratory of the Scripps Institution of Oceanography San Diego 52, California
Abstract
An experimental Remote Underwater Manipulator constructed at the Marine Physical Laboratory is described. Features of the design which permit operation at deep submergence in the ocean over 5 miles of small coaxial cable are discussed. Pertinent electronic circuits are shown and their general operation outlined.
Introduction
In November of 1958 the Marine Physical Laboratory undertook the construction of an experimental Remote Underwater Manipulator (RUM) as a part of a task, under Contract Nonr 2216 with the Office of Naval Research. It was felt that by the adoption of a suitable design philosophy such a device, capable of operating at great depths, could be built utilizing, to a large extent, standard commercial components. Operating from a fixed installation over a length of several miles of control cable, the RUM would permit a significant increase in underwater installation work capability and a reduction of the required complexity of bottom-mounted oceanographic instrumentation.
The first tests of the MPL RUM were carried out in the San Diego Bay in May of 1959. The first ocean test was made on 5 May 1960.
This initial report covers the RUM design and construction in a manner which will outline the problems arising during its construction and describe their solution as well as present the philosophy followed in the design.

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The manipulator for the MPL RUM was obtained from General Mills as a complete assembly ready for installation in the rear compartment. As may be seen in Figure 20 it consists of a model 500 manipulator arm mounted on the end of an articulating boom which has three degrees of freedom: base rotation, lower boom elevation and elbow elevation between lower and upper boom. The manipulator itself has the standard set of 5 motions: shoulder rotation, shoulder pivot, elbow pivot, wrist rotate and hand grip. These functions, combined with power on-off, fast-slow and forward-reverse control, require 18 of the off-on control channels. The manipulator capabilities are as follows:
Gross lifting capability with hook . . .     1500 lbs at 10 ft
Maximum outreach . . .                        15 ft
Manipulator lifting capability . . .            500 lbs
Wrist torque . . .                                  100 ft -lbs
Hand closing force . . .                         100 lbs
The manipulator arm itself is powered by dc motors while the boom operates from a hydraulic system position servo-coupled to dc control motors.
Hull Construction
The MPL RUM has been built on the basic hull and track assembly of an M-50 self-propelled rifle or "Ontos," provided for this purpose. The Ontos was stripped and reworked to provide four compartments as shown in Figure 9 above.

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Interesting in the above artist's conception is the adaption of a helicopter device to allow RUM to swim over rough spots.

Source: Popular Mechanics, December 1960.

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Underwater robot to explore ocean floor
Console has controls and four TV screens.
Control van is linked to RUM by cable.

The Navy has added a robot hand, sonar, and four television cameras to a rebuilt Marine tank. RUM—for Remote Underwater Manipulator—is a sort of poor man's Solaris [PS, July]. Cost of the project: $250,000. The interior of the tank has been sealed against water and filled with oil in which two 71/2-hp. electric motors run immersed: one to move each of the two tracks.
The vehicle is linked to a mobile van on shore by a coaxial cable long enough to permit operation five miles out and 20,000 feet under the sea. The cable carries power to the motors, TV cameras, mercury-vapor lamps that light the deeps for the cameras, telemetering channels, and a mechanical hand that can pick up objects ranging from a piece of kelp to a forecastle section.
Designs exist for a similar vehicle of aluminum. Future RUMs would weigh several thousand pounds less, says the Navy, and would be more reliable. Source: Popular Science, Aug, 1960.

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The Remote Underwater Manipulator (RUM) was first intended to work alone, crawling about on the sea floor at depths down to 6,000 meters to gather objects and samples, to take photographs, and to install deep-sea instruments. Victor C. Anderson began assembling it in 1958, starting with a Marine Corps self-propelled rifle carrier; to this he added a boom and a steel claw that could be pivoted in any direction out to about five meters to pick up objects. The gasoline engine was replaced with a pair of heavy electric motors in an oil-filled compartment. Sonar was installed, and a powerful light and four television cameras for sea-floor surveillance from a portable shore station (actually a bus). Power for RUM and sensor signals were provided by way of a coaxial cable 8,000 meters long. Early tests in shallow water were only moderately successful, and RUM was set aside for other projects. Source: here.

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Selection of 15 images of RUM from University of Southern California. Libraries.

Title:     Remote underwater manipulation test (United States Navy), 1960-05-16.
Description:   Remote underwater manipulation test (United States Navy). May 16 1960. Howard Humphrey; Howard McQueen; Doctor Victor Anderson (project director); Bill Clay.; Caption slip reads: "Photographer: Snow. Date: 1960-05-16. Reporter: Henley. Assignment: RUM. Series of pictures of RUM going out to sea until it is completely submerged. Arm of RUM in sand after it broke down. Howard Humphrey and Howard McQueen, with hat, putting on arm in control van. Dr. Victor Anderson, project director; Bill Clay, closest to camera. Dr. Victor Anderson standing beside RUM on beach".
Photographer:     Snow

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Selected images of RUM from Time-Life Collection. Photographer is Ralph Crane. 1960.

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Dr. Victor Anderson.

A view of the Navy's remote underwater m

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RUM II

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ORB and RUM are a pair of MPL vehicles that often work as a team. By December 1967, ORB (Ocean Research Buoy) had been developed as a platform for suspending equipment and particularly as a service vehicle for RUM. ORB is a barge 45 feet by 65 feet with a large center well through which the ten-ton RUM is operated by means of a constant-tension winch. It has two laboratories, a galley and messhall, and sleeping quarters for twelve people. “Loading RUM is a somewhat unconventional operation,” its designers wrote. “RUM is first lowered to the bottom of the bay by a crane. Then ORB is moved to a position over RUM, divers attach the strain cable, and RUM is lifted up through the well doors.” Unconventional or not, it does work. RUM has been used for taking cores at depths down to 1,900 meters, for measurements of sediment properties in place, for underwater photography, for recovering equipment at depths down to 1,260 meters, and for sampling deep-sea biological communities. It has the advantage of being able to stay on the sea floor at work much longer than manned submersibles. On one of its earliest sea trials, in 1970, RUM placed two small sonar reflectors on the sea floor, crawled away from them, and returned to find and retrieve them. It also found a third sea-floor object:  … a can of a well-known brand of stewed tomatoes. … The can was found to be the dwelling of a small and very frightened octopus. We feel [said RUM’s inventors] that this is one of the first times that a mobile biological specimen has been selectively retrieved by a remotely controlled manipulator as well as record of the first sea-going anti-pollution effort by such a unit.

See 25:55 into clip.

Anderson also developed the Benthic Laboratory, first used as a communications center for Sealab II in 1965. The laboratory housed electronic equipment. Source: here.

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RUM (Remote Underwater Manipulator) – This series of seafloor work vehicles included RUM II, a remotely controlled, tracked vehicle which was developed under the sponsorship of the Office of Naval Research at the Marine Physical Laboratory for use as a research tool in sea floor technology experiments, and to establish design criteria for future sea floor technology systems. RUM III, which combines seafloor search and work capabilities, is in the development phase.
RUM II provided detailed information on vehicle trafficability, remote manipulation, navigation, cable telemetry systems, effect of ambient pressure on electronics, and environmental and mechanical design considerations. Design depth for the vehicle is 2,400 meters. Extensive operations have been carried out in a variety of locations of diverse bottom characteristics within 120 km radius from San Diego. Depth of operations has ranged from 30 to 1800 meters. Operational tasks carried out on the sea floor have included search and recovery, implantment of instruments, biological studies, vehicle trafficability studies, navigation exercises, collection of samples, and the measurement of the engineering properties of sea floor sediments. During operations, RUM was launched through the well on ORB and lowered to the sea floor. A pair of divers were used in the launch and recovery of the vehicle to connect and disconnect snubbing cables. Electrical power, telemetry for control and instrumentation, and signals for sonar, navigation aids and television were transmitted over the single coaxial umbilical cable connecting the RUM to ORB.
The vehicle was propelled by two independently controlled reversible 15.6 KW direct current motors, one driving each track. Other equipment included three television cameras, ten 500-watt quartz iodide lights, two 600-watt mercury vapor lights, color movie and still cameras, an obstacle avoidance scanning sonar with a 25-meter range, a high resolution search sonar with a 200-meter range, up- and down-looking depth sounders, a magnetic compass, listening hydrophones, acoustic transponder navigation system and a manipulator capable of exerting 22 kg of force in any direction.

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ORB (Oceanographic Research Buoy) – ORB, a 21 x 14 meter rectangular shaped vessel displacing approximately 330 tons, was developed by the Marine Physical Laboratory to serve projects at the laboratory which require the launch, retrieval, implantation or handling of large equipment or systems in the open ocean. In contrast to FLIP, ORB is designed to follow the sea surface as closely as possible, in order to simplify the task of placing and retrieving large objects in the ocean. The vessel has a center well of 9- by 6-meter area which can be opened to permit the lowering of equipment through it, using a cable-tensioning system to minimize vertical motions. The well doors when closed provide a dry work space and will safely support a weight of 12,000 kg. Loads up to 12 tons can be lowered to a maximum depth of 2,000 meters. ORB is 8 meters high from keel to upper deck. It has no means of self propulsion and must be towed to and from operating areas. In addition to laboratory work spaces and machinery space, ORB is equipped with complete living facilities for 20 people including five crew members.
ORB, during her first ten years of operation in support of over a dozen different projects, has been moored at over 20 sites ranging up to 400 km off the southern California coast and at depths from 30 to over 4,000 meters.


There is a RUM III but I have no image of it.


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CABLE WINDING MECHANISM
Publication number    US3168261
Publication date    2 Feb 1965
Filing date    29 Mar 1963
Inventor:    William H. Hainer
Original Assignee    General Mills Inc

This invention relates to a cable winding mechanism, and more particularly to an apparatus for use on a remotely controlled vehicle, such as an underwater reconnaissance vehicle, to automatically reel in or pay out a control or power cable for the vehicle as it travels a course.

It is a general object of the present invention to provide such a cable winding mechanism which is relatively simple and compact, which performs reliably, which, when reeling cable in, properly winds the cable in even multiple layers upon a spool or drum, and, when paying out cable, properly dispenses the cable from said drum, and which, in reeling in and paying out cable, does so independently of the travel of the vehicle, by making the winding action of the drum responsive to tension on the cable.

In conjunction with this above-mentioned object is the further object of providing such a cable winding mechanism especially adapted for use in a remotely controlled underwater reconnaissance vehicle that is designed to travel over rough terrain of the ocean floor at relatively great depths (i.e. 500 feet or more) and be able to follow a relatively complex course over such terrain.

It is believed a clearer understanding of the apparatus to which the present invention relates, and of the problems which the invention purports to alleviate will be obtained by first describing briefly an underwater vehicle of the type for which the present invention is especially adapted and the problems in its operation.

Such a vehicle has a chassis which rests on a pair of tracks by which the vehicle is able to propel itself along the ocean floor. Pivotally connected to the chassis are a set of upstanding struts the upper ends :of which are pivotally connected to a set of tanks which impart a lifting or buoying force to the vehicle. By properly moving these tanks by means of the supporting struts, the vehicles center of buoyancy is placed over its center of gravity, and the entire vehicle is better able to be stabilized [on its tracks so that it can travel over steeply sloped surfaces. Also, both the chassis and the tanks are provided with propellers to power the vehicle above the ocean floor, submarine fashion, in the event that it is desired to pass over a crevasse or other obstacle.

The vehicle is both controlled and powered electrically, this being accomplished by an electric cable leading from the vehicle to a suitable power and control source, such as a surface ship or possibly a shore station. While the vehicle, during a reconnaissance mission, may be following a maze-like course over the ocean floor, the cable will sometimes slide sideways over the ocean floor or become snagged on obstructions or vegetation. Since the cable has a total length of perhaps five miles, it may become strung out over the ocean floor along a rather unpredictable and complex path, quite different from that which the vehicle has travelled. Thus, there arise particular problems in reeling in the cable under these conditions, among such problems being that of guarding against the vehicle itself cutting across and severing the cable. it is for effective operations under conditions such as these that my invention purports to provide a practical cable winding apparatus.


The General Mills Model 150 Manipulator Arm

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The General Mills' Model 150 Manipulator. See also General Mills technology described here.

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Harold "Bud" Froehlich

The dream of building a manned deep ocean research submersible first started to move toward reality on February 29, 1956. Allyn Vine of Woods Hole Oceanographic Institution (WHOI) attended a symposium in Washington, where participants drafted a resolution that the U.S. develop a national program for manned undersea vehicles. From this beginning the community eventually obtained the Trieste bathyscaphe, but it was quite large and not very maneuverable – a better craft was needed.

In 1960, Charles Momsen, head of the Office of Naval Research (ONR), petitioned for scientists to rent a submersible with ONR funds, and found WHOI investigators interested. In the spring of 1962, after unsuccessful negotiations with various submersible builders to rent a sub, Vine and others at Woods Hole went and requested bids to buy a small submersible based on drawings made by Bud Froehlich for a vehicle he called the Seapup. General Mills won the bid for $472,517 for an unnamed 6,000-foot submersible. Source: here.


See other early Underwater Robots here.


1958-62 – “Beetle” Mobile Manipulator – G.E. Corp. (American)

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1958-62 – "Beetle" Mobile Manipulator.


Background Information:

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Popular Mechanic's (Sep 1956) drawing made by Frank Tinsley from designs by Lee A. Ohlinger of Northrop Aviation, Inc. of a robot mechanic for the proposed atomic-powered airplane, a star-crossed project that stumbled through 10 years and $500,000 without ever getting off the ground.

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General Mills was one company that patented a 'Vehicle-Mounted Manipulator' in 1958 as its proposal for atomic-powered aircraft maintenance, amongst other purposes.

Publication number US3043448 A
Publication date Jul 10, 1962
Filing date Sep 19, 1958
Inventors Melton Donald F
Original Assignee Gen Mills Inc


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Source: Missiles and Rockets, Volume 9, 1961

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In 1961, GE's Beetle was under construction. The above few pictures show the model that was built beforehand.


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World's Biggest Robot By Martin Mann
Fix an atomic rocket engine? Clean up spills of radioactivity? Rescue H-bomb victims? That's what the Beetle is for
 
THAT monster glaring at you from the left is the biggest robot ever made. It weighs 170,000 pounds in its double-thick rubber treads. It can punch its claw hand through a concrete wall or gently stretch stainless-steel arms to pluck an egg off the top of a house. 
There's a man inside. Safe within the lead-and-steel cab, he can work where no unarmored man could live -in the deadly radiation that atomic energy the most fearsome as well as the most promising invention of the century.    
He could roll right up to the atomic engine of a space rocket and delicately maneuvering those 16-foot arms, make adjustments. Or he could replace a broken part in the atomic boiler of a power plant. Or haul the fatally hot debris of a nuclear accident away to the burying ground. If H-bombs struck he could dash into the destruction zone to rescue injured people and scrape away the worst of the fallout dust. 
That's what this bizarre machine, named the Beetle, can do. When PS Chief Photographer Bill Morris and I first saw the Beetle, it wasn't doing anything but sitting on a hangar floor. They couldn't start the engine.

Beetle is first of a family of robots that will handle the hot jobs of the atomic age

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Robot with a bellyache. In four days it operated seldom, and then it limped more than ran. There was difficulty with the degassing circuit. A plug popped and hydraulic fluid squirted out (a dedicated engineer, Dutch-boy-like, stuck his finger in the hole). A diode blew, immobilizing one arm (a welder had dropped a tool into the control chassis). The auxiliary generator pooped out (brush trouble). It seemed that short circuits had their own short circuits (after all, there are 400 miles of wiring in the thing).
Such bugs are standard equipment in any complex new machine. They were cleaned up in a furious week of round- the-clock troubleshooting. But these setbacks were only the culmination of troubles that dogged the Beetle from the beginning. It was originally designed to be a robot mechanic for the atomic-powered airplane, a star-crossed project that stumbled through 10 years and $500,000 without ever getting off the ground. So the Beetle is an orphan. The Air Force, which paid $1,500,000 for it, still isn't sure exactly what it will be used for. Yet the need for machines of this type is so certain that the orphan is already fathering a whole family of newer robots. The next models, now on the drafting boards, will bear only a family resemblance to Papa Beetle. They'll be smaller and lighter, so they can be air-lifted where needed. Most will be remote-controlled–without a man inside you don't need all that heavy radiation shielding.  
The Beetle does carry a man. That makes it more versatile. But it also requires some of the most elaborate engineering ever lavished on any ground vehicle.

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It looks like a tank because the chassis is reworked from an Army M42 40-mm. gun carrier. A 500-hp supercharged Continental six speeds it along roads at 10 m.p.h., but there's also an electrical drive by which it creeps 15 feet per minute. It could wrench the concrete all off a test cell without grunting hard–drawbar pull is 85,000 pounds.
The cab, however, is nothing like a tank turret. It not only turns around and around, but moves up and down 15 feet on four stainless-steel legs (built like hydraulic auto lifts). These movements are precise but slow, for that cab weighs 50 tons.
The walls are made of foot-thick lead covered inside and out with half inch steel plates. The entrance hatch is a tight-fitting cork of lead directly over the operator's head. It alone weighs 7 1/2 tons.  
The hatch offers the only way in or out.

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Understandably, there are four separate mechanisms for raising it: the regular hydraulic system, the battery-powered hydraulic pump, a hand pump on the operator's left armrest, and hand pump outside the cab.
Even with the four independent emergency outs, the operators seat is still no place for a guy with claustrophobia. It's eerily  oppressive even when the hatch is wide open (I tried it). Those 50 tons of lead and steel form the most effective suit of armor ever wrapped around a single man. It cuts down atomic rays by 3,000 times. That means the operator could put in a full day's work where the radiation level was 3,000 roentgens per hour. Unshielded  exposure to such intense radiation would  probably kill him after 10 minutes.  
The man who will seal himself inside this massive machine is young, flamboyant Randall Scraper, who comes from Indiana, but is always called Tex. Scrapper is one of the most skilful of an elite corps of technicians, the professional manipulators.

These specialists perform the same work as any repairman–taking machines apart and putting them back together again. But there is one big difference: The manipulators work on machines too "hot" to get close to. They cannot touch their work or even their tools. Everything must be done at long range with mechanical arms.

No sense-no feeling. The arm is a stainless-steel boned, electrically muscled copy of human equipment: shoulder, upper arm, elbow, forearm, wrist, and hand. The joints are superhuman: They spin around and around as well as bend. The hand is usually a two-fingered claw that can grasp and manoeuver parts or tools: but it can be snapped off and replaced by any of any specialized types–a socket-tipped finger, for instance.

The steel hand cannot feel, however, and that is a serious loss.You can't tell whether you are crushing something or holding it too loosley it will fall. (Dropping a nut or screw seldom matters: spilling a can of radioactive material could tie things up for weeks.)

Working with mechanical arrms is like playing the nickel-in-the-slot claw machine at an amusement park–and snaring the toy compass every time. It takes unusually sensitive coordination as well as icily calm concentrating–outwardly at least. Tex Scraper steadily chews gum and cigars, often both at once. But he possesses the supreme patience to devote eight hours to removing one nut from a bolt.

"I can do that,: Scraper drawls. "because I turn my ears off. People are always watching, trying to help. 'A little to the right,' they tell me. Well, it may be their right and my left. So I've taught myself to pay no mind. I don't even hear them."

The Beetle is worth its cost solely to take Scraper and his mechanical arms up close to the hot nuts and bolts. He gets safety and a clear view of the work (not perfect, yet better than television). But he pays for these advantages with total isolation.

The operator is sealed tight a mummy. There is barely space to wiggle a foot; standing or stretching is out of the question. His only direct connection to the outside world is an air intake.  
(The duct zigzags, like the entrance to a photographic darkroom so that radiation cannot "shine" in. Special filters are unnecessary because the air itself does not become radioactive.)    
A three-ton air conditioner keeps Scraper cosy (72 to 76 degrees, 60-percent humidity) even if the temperature outside plummets to 25 below or flames to 130 above zero. He talks to base by radio (two separate transmitter-receivers) or public-address system.    
There's even a microphone out front so that he can listen to the engine.

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A room with a view. Even more elaborate are the arrangements for looking out.
To go with the windows, there are two pairs of binoculars on swinging mounts; with them Scraper can read the scale of a standard micrometer gauging parts many feet distance.
There is a retracting, submarine-style periscope that rotates and tilts.
Finally there is closed-circuit TV. The screen sits between his legs. One camera is clipped to the cab, like a pencil in a man's breast pocket. It can be picked up and moved around by the mechanical arms. Two fixed cameras point to the rear so that Scraper can see what's going on behind him–outside rear-view mirrors are impractical.
The Beetle's cab even includes a few luxury accessories: a comfortable, power adjusted chair, ash tray, lighter. Most important of all, perhaps, is an oxygen bottle. If absolutely everything went wrong, it could sustain Scraper for eight hours. Presumably that would give time to haul the machine out of danger, cut the cab open, and free him.

Source: Popular Science, May 1962.


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Built by Jered Industries in Detroit for General Electric's Nuclear Materials and Propulsion Operation division, the Beetle was designed for the Air Force Special Weapons Centre, initially to service and maintain a planned fleet of atomic-powered Air Force bombers. According to declassified Air Force reports, work began on the 'Beetle' in 1959, and it was completed in 1961.

It has also been said [Halacy, "The Robots Are Here!", 1965] that the Beetle was built for NASA's "Project Rover", a nuclear rocket development program.


 Life Magazine, 4 May 1962 had a brief article and a couple of pictures of the Beetle.

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Beetle showing its versitility by putting an egg on a spoon. Not bad given the size and types of grippers, and lack of tactile feedback to the operator.

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A startled look as the Beetle is spotted in the make-up mirror.

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President Kennedy (back to camera) having a look.

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The Beetles' Arms and Hands

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The General Mills arm used in the Beetle is very similar to this arm descibed by patent US3247978. Karl Neumeier was one of General Mills engineers.

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The two-fingered hand is also described in the patent and is most likely the same if not very similar to that used on the Beetle's manipulator arms.

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General Mills Hook-and-anvil hand. {Image says PaR Systems, which was a spin-off from General Mills]

 

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The General Mills logo on the manipulator arm.

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In the Life Magazine article mentioned above, Getty-LIFE have a lot of images from that photo shoot. They appear in the photo gallery below.

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See other early Teleoperators and Industrial Robots here.


1958 – Mobile Remote Servo-manipulator – Ray Goertz et al (American)

Mobile Remote Servo-manipulator.

Caption: Robot Demonstrations Of The Atomic Age: Many onlookers – including schoolboys were thrilled by the robot "hands" – dealings with a variety of tasks on one of the stands at the Geneva Atomic Exhibition. The "almost human hands" are used in dealing with radio-active materials behind protective walls and are controlled from a distance with the aid of thick glass windows or with the medium of TV. Photo shows This American made slave robot is designed for the handling of radio-active materials 1/4 and is seen at the Geneva Exhibition. Photo is dated 09-09- 1958.

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In use at Argonne National Laboratories, located outside Chicago, Illinois, USA.

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A remote control manipulator being demon

Slave unit.

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Slave unit in the foreground; master unit in the background.

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Source: Above 3 images from Getty.


Publication number    US2978118 A
Publication date    Apr 4, 1961
Filing date    Nov 3, 1959
Inventors    Raymond C Goertz, John H Grimson, Frank A Kohut
Original Assignee    Raymond C Goertz, John H Grimson, Frank A Kohut

Publication number    US3018980 A
Publication date    Jan 30, 1962
Filing date    Nov 3, 1959
Inventors    Downers Grove, Goertz Raymond C, Lindberg John F
Original Assignee    Downers Grove, Goertz Raymond C, Lindberg John F

This invention relates to a remote-control manipulator in which slave and master units are electrically interconnected. More specifically, the invention relates to such a manipulator in which two slave units are mounted side by side on a mobile vehicle.
Goertz et al. Patent 2,846,084, dated August 5, 1958, discloses and claims a manipulator having master and slave units electrically connected with one another. 'With such a manipulator the master and slave units can be extensively separated from one another, and the slave unit can be completely sealed in an enclosure.
The present manipulator is an improvement of that of the above Goertz et al. patent in that two slave units as well as two master units are mounted side by side to take advantage of the two hands of the human operator and the two slave units are mounted on a mobile vehicle so as to reach a maximum amount of space.
One desirable feature of the assembly of two slave units and vehicle is that it takes up a relatively small amount of space so that it may be readily maneuverable and have access to the maximum space. Another desirable feature is that the slave units and vehicle should be readily repairable by another manipulator if operation in a sealed enclosure is indicated.
An object of the present invention is to provide a manipulator unit of compact arrangement and size which enable the unit along with a similar unit and a mobile vehicle carrying the units to occupy a small amount of space.
A further object is to provide a manipulator unit that is so constructed and arranged as to be readily repairable.

Publication number    US2846084 A
Publication date    Aug 5, 1958
Filing date    Jun 21, 1955
Inventors    Goertz Raymond C, Olsen Robert A, Thompson William M
Original Assignee    Goertz Raymond C, Olsen Robert A, Thompson William M


Note: This Remote Manipulator is not MASCOT.


See other early Teleoperators, Exoskeletons and Industrial Robots here.


1958 – Astrotug – Lockheed (American)

Astrotug in Operation – Artist's Conception

The Astrotug

Tugboat for Space: Spaceborne scientific laboratories and platforms for further exploration into space are an accepted concept based on established engineering techniques. Components would be fired  as individual units into space, on precalculated orbits, and there assembled. To solve the major problems of how men are to live and work in space during the assembly process. Lockheed has prepared a detailed engineering design of an astrotug – a manned vehicle housing a crew of two or three. Missile-launched, the astrotug will be capable of supporting its crew for a number of days in an environments of suitable atmosphere, and with provisions for illumination and adequate food and water.
The Lockheed astrotug is a completely independent working vehicle. Personnel need not leave it in space suits in order to work on the project of assembling the space station components. As shown in the diagram, the tug consists of two double-walled pressure vessels approximately 20 feet long overall and 9 feet inside diameter. Swivelling rocket nozzles are arranged for maneuvering. On the forward end, extending out are four mechanical manipulator arms with interchangeable "hands" for such specialized functions as gripping, welding, hammering, cutting, running screws, etc. "Hands" can be changed by remote control from the inside. Viewing ports provide uninterupted observation. Radar antennas, searchlights, and other equipment necessary to the tug's work are mounted externally. Main controls and instruments including radar, radio, infrared, computers and navigational consoles are duplicated in each of the two major compartments as a safety measure.
Men working in single units afloat in space suits would have little applicable force and could work for very limited periods of time. With the Lockheed astrotug, personnel could carry on the work in relative safety and comfort with maximum efficiency. A special reentry vehicle, separate from the astrotug, has been conceived for ferrying to and from earth. Tugs themselved would remain floating in orbit indefinately, being reprovisioned  and refurbished as fresh crews arrive in relief.

 

Astrotug Inboard Profile


Above 3 images sourced from here.


The 1958 Space Station concept for which the tug was proposed to build.

The 1958 Transit vehicle to bring crew to the Astrotugs.

A 1963 depiction of the Space Station. Note the transition away from the classical 'Wheel' shape.


See other early Teleoperators here.

See other early Lunar and Space Robots here.


1958 – Voice-controlled Lawn Mower – Concept (American)

Image Source: Corbis.

Electricity may do your yard work. One day, by simply speaking into a microphone, you may be able to command an electric "gardener" to mow the grass, cultivate the flower beds, trim the hedge and do other yard work. And all the while you'll be relaxing in the shade.

Power companies build for your future electric living
AMERICA'S INDEPENDENT ELECTRIC LIGHT AND POWER COMPANIES


See other early remote-controlled and robotic lawn mowers here.