Engine starter with a shortened over-running clutch

Details Engine starter with a shortened over-running clutch Engine starter with a shortened over-running clutch

1990-03-02

1991-05-14

Lorence, Richard

Machine element or mechanism

Engine starters

74 7R, 123179M, F02N 1100

Patent

active

050145622

ABSTRACT:
An engine starter motor comprising a d.c. motor having an armature rotary shaft 7 an over-running clutch 31 slidably mounted on the armature rotary shaft between a forward position and a rearward position and including a clutch inner cylinder 32, and a pinion 33 mounted on the clutch inner cylinder. In order to energize the d.c. motor and slide the over-running clutch together with the pinion between the forward and rearward positions, a solenoid switch 15 and a shift lever 34 are provided. The shift lever comprises a main body 34a, a first end portion 34b operatively coupled to the solenoid switch and a second end poriton operatively coupled to the over-running clutch. The second end of the shift lever is bifurcated into two tines 34e and each of the tines is provided with a forward extension 344 forwardly extending substantially parallel to the rotary shaft and an inwardly extending engagement projection 34g for engagement with the over-running clutch. The axial length of the forward extension is such that the engagement projection on the forward extension engages the clutch inner cylinder at a point forwardly remote from the main body of the shift lever by a distance substantially corresponding to the axial length component of the forward extension, whereby the clutch inner cylinder has an axial dimension decreased by a distance substantially equal to the axial length component of the forward extension.

REFERENCES:
patent: 4304140 (1981-12-01), Ebihara
patent: 4720639 (1988-01-01), Sakayanagi et al.

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