Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1990-03-26
1991-08-27
Moore, Richard E.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
G05G 706
Patent
active
050423169
ABSTRACT:
A transmission control linkage for positioning elements in a transmission housing in response to selector movement between at least four positions, and characterized in that two different selector positions correspond to the same positions of the elements in the housing. The linkage typically has three links, including a first link, a second link pivotally connected to the first link at a primary pivot, a third link pivotally connected to the second link at a secondary pivot; a linkage carrier means; and the first and third links pivotally mounted relative to the carrier means at tertiary and fourth pivots for causing the third link to rotate counterclockwise through an angular range .alpha. and then to rotate clockwise through an angular range .beta., in response to counterclockwise rotation of the first link through an angular range .alpha..
REFERENCES:
patent: 3082638 (1963-03-01), Nilson
patent: 4370897 (1983-02-01), Carlo
patent: 4709793 (1987-12-01), Sokakibara et al.
Haefliger William W.
Moore Richard E.
Quadrastat Corporation
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