F - Mech Eng,Light,Heat,Weapons – 02 – N
Patent
F - Mech Eng,Light,Heat,Weapons
02
N
74/8
F02N 11/02 (2006.01) F02N 15/06 (2006.01)
Patent
CA 1145588
ABSTRACT OF THE DISCLOSURE The invention pertains to electric starters for internal combustion engines, and in particular, to electric starters for small engines such as used with yard equipment, for instance, lawn tractors, snow blowers, lawnmowers, and the like wherein the starter includes a pinion gear having cushion- ing means associated therewith which is of a variable charac- teristic such that soft cushioning is initially produced to pro- tect the initial engagement of the pinion gear with the engine flywheel teeth, and stiffer cushioning occurs during high torque transmission during engine cranking. Preferably, the resiliency of cushioning achieved is proportional to the radius of contact between the cushioning means and the starter pinion gear.
372880
Borden Ladner Gervais Llp
Eaton Stamping Company
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