POWER TRANSMISSION ELEMENTS AND MECHANISMS 193 



Clusfer^ 



Cluster 



Fig. 377. 



Shlfi- handle 

 Fig. 378. 



y Hand /ever-. 



Screw en- 

 Cam, f' gages cam [ 



Sere 



Fork^ Drive ' kn /• „ / j.^u "s KH 

 shafi ^/ Dogc/ufch ^t3 



Floaiing bevel gears 

 Fig. 379. 



Posi-f-ioning phie wifh counier- 

 cr f-j. sunk spo-fs which engage spriYw- 



~_r ^^ backed locking plunger 



Fo/rk 



GecrshafI 



Section 



x-x 



^ Pins iimii amounf 

 of iravel of gears 



Fig. 380. 



Spring- backed 

 locking plunger 



Fork swive led fo lever Spring-backed ^ Levers shaped lo 



\D pinned lo shafit [localing plunger / keep Ihis distance 



a minimum 

 Clusier 



Lever F' 

 pinned +o 

 shafi E 



Fig. 381. 



