Spring operated re-wind mechanism

Details Spring operated re-wind mechanism Spring operated re-wind mechanism

F - Mech Eng,Light,Heat,Weapons

02

N

123/229

F02N 3/02 (2006.01)

Patent

CA 1147221

ABSTRACT The disclosure is of a spring operated re-wind mechanism such, for example, as those used with pull cord type engine starters. A cylindrical casing is positionable within a recess of a fixed part of the engine, the casing having a peripheral wall and a side wall with a central opening therein. A tang projecting outwardly from the peripheral wall engages with a slot or groove in the fixed part to prevent relative rotation of the casing. A backwound sprial spring is contained with the casing, one end of the spring being in engagement with the peripheral wall. The other end of the spring has an abutment thereon normally positioned within the central opening for engage- ment with an abutment on a hub of the cord-carrying pulley so that the spring is wound as the cord is pulled. The casing and spring may form cartridge insertable into the recess, the cartridge being available as a separate article of manufacture.

323793

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