Electric starter with confined cushion

Details Electric starter with confined cushion Electric starter with confined cushion

1981-06-18

1984-10-30

Braun, Leslie A.

Machine element or mechanism

Engine starters

Automatic

74 6, 192 52, 192 55, 192 65, F02N 1506, F16D 1106, F16D 2300, F16D 1322

Patent

active

044793944

ABSTRACT:
An electric starter apparatus for small internal combustion engines wherein engagement of a starter pinion gear with engine flywheel gear teeth is produced by the axial translation of a nut member mating with helices formed on the motor shaft. An elastomer drive and cushion member is interposed between the nut and pinion gear wherein axial displacement of the pinion gear is through the elastomer, as is the transmission of torque to the gear. The elastomer includes an annular axially extending projection received within an annular recess defined in the pinion gear whereby the recess partially confines the elastomer during torque transmission and engine cranking, and concentrically locates the elastomer relative to the motor shaft.

REFERENCES:
patent: 1317811 (1919-10-01), Nielsen
patent: 1453202 (1923-04-01), Stevens
patent: 2221083 (1940-11-01), Fitzgerald
patent: 2224525 (1940-12-01), Sekella
patent: 2235121 (1941-03-01), Sekella
patent: 3205989 (1965-09-01), Mantey
patent: 4330713 (1982-05-01), Greenwood
patent: 4347442 (1982-08-01), White et al.

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