Coaxial type starter device

Details Coaxial type starter device Coaxial type starter device

1989-10-24

1991-02-05

Braun, Leslie A.

Machine element or mechanism

Engine starters

74 7R, 74 7C, 74 7E, 123179M, 290 38C, F02N 1100

Patent

active

049894676

ABSTRACT:
A coaxial type starter device comprises a motor having a dubular armature rotary shaft 22a, a rotary output shaft 3 partially inserted in the tubular armature shaft from its one side, the rotary output shaft being provided with a pinion 4 to be engaged with a ring gear of an engine, a driving force transmitting unit, disposed at one side of the motor and between the armature rotary shaft and the rotary output shaft, comprising a roller type overrunning clutch 30 and a planet gear wheel type speed reducing mechanism 10 for reducing a revolutional speed of the armature rotary shaft, and an electromagnetic switch, disposed at the other side of the motor, which causes the pinion of the rotary output shaft to engage with or disengage from the ring gear of the engine. The number of rollers 30b in the overrunning clutch is the same as or an integral multiple of the number of the planet gear wheels 10b in the planet gear wheel type speed reducing mechanism; a plurality of through holes 39 corresponding in number to pins 31 for supporting the planet gear wheels are formed in the clutch outer member in the overrunning clutch to be fitted with the pins, and the clutch outer member is supported at an end portion of the armature rotary shaft through a bearing.

REFERENCES:
patent: 4760274 (1988-07-01), Isozumi
patent: 4800766 (1989-01-01), Isozumi et al.
patent: 4808836 (1989-02-01), Isozumi et al.
patent: 4912992 (1990-04-01), Kinoshita
patent: 4918324 (1990-04-01), Isozumi
patent: 4924108 (1990-05-01), Isozumi
patent: 4926706 (1990-05-01), Isozumi
Patent Abstracts of Japan, vol. 12, No. 485, 1988 & JA-A-63 205459, 8/1988.
Patent Abstracts of Japan, vol. 10, No. 281, 1986 & JP-A-101670, 5/1986.

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