Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1985-04-15
1988-01-26
Staab, Lawrence J.
Machine element or mechanism
Control lever and linkage systems
Elements
49351, G05G 104, E05F 1144
Patent
active
047210060
ABSTRACT:
The mechanism comprises a movable member having three axes converging in a center of the mechanism, i.e. two main axes guided each by a crank, and a driven axis on which any point follows a substantially circular path centered in the above center. This is due to an appropriate geometry. A driven member may be linked to the movable part about the driven axis, and to a parallelism rod which is in turn linked to one of the cranks. The driven member remains then parallel to itself when the mechanism is actuated, that is, when the one crank is rotated with respect to a carrier member. The driven member may be a cylindrical side window of a car.
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