Shaft detent assembly for a timing mechanism

Details Shaft detent assembly for a timing mechanism Shaft detent assembly for a timing mechanism

1987-03-17

1989-01-10

Smith, Gary L.

Machine element or mechanism

Elements

Cams

200 38R, 200 38B, 200 38C, 200 38A, F16H 5300, H01H 708, H01H 4310

Patent

active

047964847

ABSTRACT:
A timing mechanism comprising a camstack having a hollow hub rotatably mounted between support plates, electrical switches actuated by the camstack as it rotates, a bearing having a bore in it and rotatably journalled in one of the support plates, and a shaft mounted axially in the camstack with one end rotatably supported in the bearing and the other end in the other of the support plates. The shaft is axially movable between a first position and a second position, which positions are determined by a detent assembly comprising two grooves in the shaft and spring fingers located in the bore of the bearing. The fingers engage one groove when the shaft is in the first position and the other groove when the shaft is in the second position.

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