Starter with planetary gear type speed reducing mechanism

Details Starter with planetary gear type speed reducing mechanism Starter with planetary gear type speed reducing mechanism

1985-09-24

1987-01-13

Herrmann, Allan D.

Machine element or mechanism

Engine starters

Automatic

74 7A, 74785, 74801, 310 83, F02N 1506, F16H 132, F16H 5710

Patent

active

046354891

ABSTRACT:
A starter for an internal combustion engine comprises a starter motor. A drive shaft extends in coaxial relation to an armature shaft of the starter motor and has a projection extending radially outwardly from an axial end of the drive shaft adjacent the armature shaft. A pinion is in spline engagement with an outer periphery of the drive shaft and in meshing engagement with a ring gear of the engine. The rotation of the armature shaft is reduced in speed and transmitted to the drive shaft through a planetary gear type speed reducing mechanism. A center bracket comprises a cylindrical portion rotatably supported by one of the drive shaft and the armature shaft, and a disc-shaped portion extending radially outwardly from an axial end of the cylindrical portion. A shock absorber unit comprises a rotary disc and a spring disposed around the cylindrical portion of the center bracket. The rotary disc engages an internal gear of the planetary gear type speed reducing mechanism so as not to be rotatable, but to be axially movable with respect to the internal gear. The spring urges the rotary disc against the disc-shaped portion of the center bracket. The rotary disc and spring are retained by a retainer in their respective positions around the cylindrical portion of the center bracket.

REFERENCES:
patent: 2303637 (1942-12-01), Heintz
patent: 2679170 (1954-05-01), Prittie
patent: 4192195 (1980-03-01), Kazino et al.
patent: 4494414 (1985-01-01), Hamano
patent: 4528470 (1985-07-01), Young et al.

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