Starter with epicycle reduction gear

Machine element or mechanism – Engine starters – Automatic

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Details

74 7A, F02N 1506, F16H 5710, F16H 132

Patent

active

054739560

ABSTRACT:
A starter with an epicycle reduction gear having a one-way clutch within the casing thereof, which can shut off dust and filthy water, has a simplified structure, has a reduced number of parts and components, has reduced size and weight and has improved durability of the one-way clutch. Such a starter achieves these effects by housing the one-way clutch within the casing of the epicycle reduction gear. The one-way clutch is housed within the casing of the epicycle reduction gear, which includes a plurality of planetary gears. The one-way clutch comprises a small-diameter cylindrical part of the casing, serving as a clutch inner member, a small-diameter cylindrical part of the internal gear, serving as a clutch outer member, fit on the small-diameter cylindrical part of the casing, a clutch roller disposed between the small-diameter cylindrical part of the casing and the small-diameter cylindrical part of internal gear, and a spring. The internal gear includes a large-diameter cylindrical part with an annular face. The one-way clutch is formed so as to have a smaller diameter than the outside diameter of the large-diameter cylindrical part of the internal gear.

REFERENCES:
patent: 4494414 (1985-01-01), Hamano
patent: 4528470 (1985-07-01), Young et al.
patent: 4635489 (1987-01-01), Imamura et al.
patent: 5199309 (1993-04-01), Isozumi
Patent Abstract of Japan, vol. 13 No. 365 (M-859,(3713) 8/1989 re JP-A 1-121566.

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