CPC F16H 35/00 (2013.01) [F16H 2035/006 (2013.01)] | 8 Claims |
1. A system for stopping rotation of a first gear and a second gear comprising:
a shaft, the first gear and second gear being concentric and rotatable about said shaft;
wherein the first gear and the second gear are driven by the same input system;
wherein the first gear and the second gear are configured to rotate at different speeds and independently to each other;
wherein the first gear comprises a first end stop and the second gear comprises a second end stop;
wherein the first end stop and the second end stop are configured to engage each other when the first gear and the second gear have each rotated a predetermined number of turns;
wherein engagement of the first end stop with the second end stop is configured to prevent rotation of the first gear and the second gear and cause a stall in the system;
wherein said first end stop of the first gear extends radially inwards from a circumferential edge of the first gear, and
wherein said second end stop extends radially outwards from a circumferential edge of the second gear.
|