192 



HANDBOOK OF MECHANICAL DESIGN 



Sliding bar 



^y C^ufcl^ siiifiing lever 



/Basiling force fi 

 J roci< serves as sec 

 ■ provides means for locking 



/Bushing force fified inio yofre 

 rocl< serves as seal for lever and 



Pivoi 



Spring -backed ball drops info 

 hemispherical siois io lock clutch 



Fig. 370. 



, - -^Pln re fains shifling shoe) 

 ' H allows slight roiafi'on of 

 shoe when gears are en- 

 gaged 



Bell ■'' 

 crank 



Pivot 



Positioning JIT . 

 grooves <1 



Shifting shoe clamped 

 to shaft/ 



^Light-duty 

 T^ gears 



Fig. 374. 



Pawldisen- /Locking pawl 



gaging levep i /Screwed to main costing 



( Gear housing free 

 I to turn in bearings 



Handle end 

 locks into 

 counter- 

 bored hole 



Lever rocks -' • 

 entire gear 

 case 



Boll ended pin 

 engages bell crank 



-Counter- 

 bored 

 hole 



■Slot 



Fig. 375. 



Fig. 371. 



Bearing 

 housing/ 



Clutch member 



Lru-^^ ' '/ i A • Shift fork' , 

 Vh/ft , -Locks bearing Trunnion ' 

 fork I to clutch member 



'■Holds bearing housing 

 Fig. 372. 



Solid yoke 



Flange holds-, 

 yoke in place 



Accomo 1 



dates yoke 

 trunnions 



^Shifting shaft ' 



Fig. 373. 



Lever which - - - j- _ . 

 actuates locking ' 

 plunger 



Locking plunger^ 



Shift, 

 rod I 



^Shiff lever keyed 

 to rod 

 Fig. 376. 



