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
74473R, G05G 502, G05G 912
Patent
active
039981100
ABSTRACT:
A transmission shift linkage having a manual shift lever pivoted in a housing for selecting movement between neutral positions and shifting movement to four forward speed positions and a reverse drive position with a manually releasable reverse inhibitor to prevent selecting movement from the neutral position for first and second speed drive position to the neutral position for reverse drive position to inhibit shifts to reverse drive position. The inhibitor has a stop member mounted on the manual shift lever for movement in the selecting movement direction between inhibiting and detent positions and is spring biased to inhibiting position. A spring biased finger operated release mechanism normally locks the stop member in inhibiting position for engaging the housing to positively inhibit selecting movement from the first second neutral position to the reverse neutral position to inhibit a shift to reverse and on manual release of the release mechanism to permit movement of the stop member against the inhibitor spring bias for manual detent feel selecting movement of the shift lever from the first second neutral position to the reverse neutral position to permit a shift to reverse.
REFERENCES:
patent: 1415200 (1922-05-01), Sherbondy
patent: 1898140 (1933-02-01), Peterson
patent: 1909889 (1933-05-01), Peterson
patent: 2040594 (1936-05-01), Bixby
patent: 3082638 (1963-03-01), Nilson
patent: 3213705 (1965-10-01), McQueen
patent: 3264893 (1966-08-01), Stott et al.
patent: 3410150 (1968-11-01), Wieland et al.
patent: 3597992 (1971-08-01), Lowry
Baysa Rizal J.
O'Brien Patrick H.
General Motors Corporation
Heiter A. M.
Herrmann Allan D.
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