Electric starter with biased fulcrum

Details Electric starter with biased fulcrum Electric starter with biased fulcrum

1989-04-28

1990-05-29

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

74 7A, 384 2, 403145, H02K 7118, H01H 902

Patent

active

049298577

ABSTRACT:
An electric starter comprising a dc motor; an output rotary shaft which is rotated by an armature shaft; an overrunning clutch fitted on the output rotary shaft so that the clutch is slidable in the axial direction thereof; a splined tube coupled to outer member of the clutch and engaged with the helical splines of the output rotary shaft so as to transmit the torque of the shaft to the outer member. A shift lever is engaged at the lower end thereof with the peripheral portion of the tube and at the upper end with the actuator of an electromagnetic switch provided at the peripheral portion of the dc motor, so that the lever is swingable about the fulcrum thereof, wherein the fulcrum is shaped as a cylindrical body, the bottom of the inside of which is shaped as an arc. A holder having a surface curved to correspond to the arc-shaped bottom of the inside of the fulcrum is provided therein so that the curved surface is in contact with the bottom; and a spring is provided on the holder so that the fulcrum is pushed toward the support projection of a front bracket.

REFERENCES:
patent: 1918394 (1933-07-01), Hufferd et al.
patent: 2635904 (1953-04-01), Roby
patent: 2807486 (1957-09-01), Bixby
patent: 4520285 (1985-05-01), Isozumi et al.
patent: 4637267 (1987-01-01), Mazzorana
patent: 4677407 (1987-06-01), Tanaka et al.
patent: 4755781 (1988-07-01), Bogner

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