Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1983-10-28
1986-04-15
Tapolcai, William E.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74473P, G05G 912, F16C 1106
Patent
active
045819513
ABSTRACT:
A transmission shifter (12) for controlling a transmission includes a pair of independent spring biasers (30,32) mounted by a housing (18) to bias an operating member (22) of the shifter and respectively control lateral movement of the operating member in opposite lateral directions independently of each other. Each spring biaser (30,32) preferably includes at least one helical spring (34,36 and 38) for providing the biasing with the lateral bias of one spring biaser greater than that of the other. One of the helical spring biasers (30) includes a pair of helical springs (34,36) one of which has a larger diameter and receives the other, and the other spring biaser (32) includes a single helical spring (38) identical to the larger spring (34) of the one biaser (30). The shifter (12) also includes a ball and pin construction (42,44) for mounting the operating member (22) and a seat and shim arrangement (56,60 and 58,62) for mounting the spring biasers.
REFERENCES:
patent: 2195270 (1940-03-01), Dolza
patent: 3008342 (1961-11-01), Brunot
patent: 3465851 (1969-09-01), Callegari et al.
patent: 4333360 (1982-06-01), Simmons
patent: 4497396 (1985-02-01), Davis
Hurst Performance, Inc.
Tapolcai William E.
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