| 摘要 |
<p>There is represented a mechanism comprising pushers 12, 13, which drive means is executed as noncircular gearwheels 4, 5 rigid on camshaft 1. The gearwheels are capable to be engaged with gears 6, 7 installed freely rotable on the pushers; at that, the gearwheels and gears have straight, oblique, chevron or arched teeth correspondent to each other. The mechanism also comprises compression springs 18, 19 for interaction of pushers and drive means.</p> |
