PROPULSION | |
Of wheeled vehicles by hand or foot: kinds of mechanisms; construction of propulsion cranks or levers | 1/00; 3/00, 5/00 |
Of single-track vehicles by motor, characterised by position of engine | 7/00 |
Of sledges or the like | 27/00 |
Of wheeled vehicles or sledges, by ground-engaging means not otherwise provided for | 29/00 |
TRANSMISSIONS | |
Characterised by rigid mechanical parts thereof | |
chain or belt; toothed or friction wheel; friction roller | 9/00; 11/00; 13/00 |
crankshaft or coupling- rods; rotary shaft | 15/00; 17/00 |
Characterised by non-mechanical or non-rigid parts thereof | 19/00, 21/00, 23/00 |
Gearing speed-change actuators | 25/00 |