Snap ring actuated single shaft shifting mechanism

Details Snap ring actuated single shaft shifting mechanism Snap ring actuated single shaft shifting mechanism

1992-11-18

1994-03-29

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74473R, F16H 6336

Patent

active

052974537

ABSTRACT:
An apparatus for selection and engagement of selectable gear ratios in a change speed transmission is disclosed. The apparatus comprises a housing, a shaft mounted for relative axial and rotational movement in the housing, a plurality of shift forks, and a plurality of snap rings. Each of the shift forks includes a hub portion having a bore through which the shaft is received. Each of the snap rings is disposed about the shaft and abuts a corresponding shift fork. Each of the snap rings has a tooth which projects radially from the shaft. Each of the hub portions has a groove which is formed to receive a corresponding tooth such that when one of the grooves is not aligned with a corresponding tooth in response to rotation of the shaft, the other grooves are aligned with a corresponding tooth. Thus, only one shift fork is movable at any time.

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