Construction for preventing wear of shift fork in transmission m

Details Construction for preventing wear of shift fork in transmission m Construction for preventing wear of shift fork in transmission m

1982-12-27

1985-04-09

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74475, G05G 510, G05G 918

Patent

active

045093857

ABSTRACT:
Disclosed is a transmission manipulation device for a transmission which is improved in eliminating abnormal circumferential wear of a shift fork due to pressure contact with the sleeve of a clutch mechanism incorporated in the transmission. The device has a shift and select lever shaft provided with a first retaining portion and a second retaining portion. The second retaining portion is engageable with the engaging portion of the first shift head only when a first retaining portion engages with the engaging portion of one of a plurality of shift forks on the lever shaft. When the shift and select lever shaft is rotated after axial movement against the resilient force of a resilient member, the second retaining portion is retained by the first shift head to prevent axial movement of the lever shaft due to the reactional force of the resilient member.

REFERENCES:
patent: 2690684 (1954-10-01), Stemler
patent: 3962930 (1976-06-01), Frazee
patent: 4277983 (1981-07-01), Izumi et al.
patent: 4290318 (1981-09-01), Ookubo et al.
patent: 4305309 (1981-12-01), Ookubo et al.
Japanese Utility Model Specification for public inspection 48-19691, (1973).

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