1981 – “Joggercycle” Hybrid Walking Bicycle – (Japanese)

"Bicycle built for shoe" Oct (19th?), 1981 Tokyo, Mon. – On your bike – and run! This ingenious contraption, being driven by a Japanese inventor, is a joggercycle. Pedal power drives a pair of running shoes through a mechanical linkage. The joggercycle reached the finals of a Japanese industrial firm's [RH-Honda] idea contest.

1977c – Hybrid Walking Cart – I. Lyagusha (Soviet)

The construction of passenger carts walking beam engine of the Soviet inventor I. Lyagusha from Lysychansk (Fig. 1) is programmed more complex trajectory of the 'legs', which is based on t? kzhe is oval. These walking machine with a pre-laid in them the program of the movement "legs" go blind, not adapting to the conditions …

1934 – Legged Unicycle (American)

from Popular Mechanics , June 1934 STILT CYCLE HAS TWO LEGS INSTEAD OF WHEELS Wooden legs replace the wheels on a stilt cycle made by a Los Angeles man who proudly boasts that he can now sit down while walking. The two legs are pedaled like a bicycle, the rider balancing on a seat at …