Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1976-09-29
1978-04-04
Wyche, Benjamin W.
Machine element or mechanism
Control lever and linkage systems
Elements
74533, 192 8C, G05G 506
Patent
active
040820084
ABSTRACT:
A positioning mechanism for moving a window of an automotive vehicle or adjusting the seat thereof has a pinion rotatable on a support by means of an adjustment knob and having two axially spaced arrays of gear teeth. The teeth of one of these arrays is angularly offset relative to the teeth of the other array. A lever connected to the load being moved is pivotal on the support and formed with two axially spaced racks each of which meshes with a respective one of the arrays of the pinion. The lever may be formed with a pair of axially joined plates each formed with a respective one of the racks and the pinion may have a radially outwardly extending flange projecting between these plates to insure that each rack remains in mesh with the respective array of teeth on the pinion. In addition a brake may be provided for resisting rotation of the pinion by the lever and for allowing rotation of the pinion by the shaft carrying this pinion.
REFERENCES:
patent: 1041265 (1912-10-01), Fuchs
patent: 3006214 (1961-10-01), Hollar, Jr.
patent: 3236121 (1966-02-01), Goowik et al.
patent: 3423785 (1969-01-01), Pickles
Keiper KG
Ratliff, Jr. Wesley S.
Striker Michael J.
Wyche Benjamin W.
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