Coaxial starter with recessed pinion

Details Coaxial starter with recessed pinion Coaxial starter with recessed pinion

1990-05-31

1991-05-07

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

74 7A, 290 48, 310 78, 310 90, H02K 515, F02N 1506

Patent

active

050139509

ABSTRACT:
A coaxial type starter comprises a motor having a tubular armature rotary shaft, an electromagnetic switch located at the rear part of the motor and having an operating shaft arranged in the same axial line as the armature shaft, an overrunning clutch for transmitting a rotating force only in one direction, and a pinion shaft which is disposed in the armature shaft to receive the rotating force thereof through the overrunning clutch. The front end portion of a clutch inner member in the overrunning clutch device is supported by a bearing which is fitted to a front bracket; the pinion shaft is so arranged that it is engaged with the inner circumference of the clutch inner member through a spline, and pinion teeth formed at the front end of the pinion shaft are radially overlapped by the bearing. The outer main body portion of the overrunning clutch is disposed in an inner circumferential portion of the front part of the armature core on which an armature coil is wound, and the rear portion of the clutch outer member is engaged with the armature shaft so as to be rotatable therewith.

REFERENCES:
patent: 4684816 (1987-08-01), Mazzorana
patent: 4760274 (1988-07-01), Isozumi
patent: 4816712 (1989-03-01), Tanaka
patent: 4929858 (1990-05-01), Konishi
patent: 4962340 (1990-10-01), Isozumi

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