Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1975-09-15
1976-12-21
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74501R, 74538, G05G 102, G05G 106, G05G 506
Patent
active
039981096
ABSTRACT:
A transmission shift lever pivotally mounted at one end and having at the other end a handle with a detent release button connected to push a detent release rod axially extending through a tubular lever portion to release a U-shaped detent member which is mounted on the lever and biased to engage detent notches on the internal diameter of a detent plate located about the pivot. The handle has a rigid core with a bore to reciprocally receive the release button and an elastic cover. The button has a cam and stop engaging a cam and stop on the cover to expand the cover to insert and retain the button biased to release position. In one form the button directly axially pushes on the release rod and in another form the button moves transversely and has a cam rotating a pivoted lever which supports the release spring and pushes the release rod. The release rod is made of plastic and in a curved portion of the tubular lever is integrally formed of a series of balls for guidance of the rod and thin flexible connecting links to transmit a push force to release the detent member.
REFERENCES:
patent: 1970738 (1934-08-01), Collins
patent: 2320878 (1943-06-01), Manning
patent: 3202246 (1965-08-01), Findley et al.
patent: 3216276 (1965-11-01), Nagy
patent: 3449980 (1969-06-01), Hulten
patent: 3561281 (1971-02-01), Wilfert
patent: 3597992 (1971-08-01), Lowry
General Motors Corporation
Heiter A. M.
Herrmann Allan D.
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