G - Physics – 11 – B
Patent
G - Physics
11
B
352/30.4
G11B 5/584 (2006.01) F16F 1/18 (2006.01) F16F 15/073 (2006.01) F16H 21/04 (2006.01) G11B 5/55 (2006.01) F16F 15/00 (2006.01)
Patent
CA 1311839
ABSTRACT An apparatus that guides an object in a straight line path of motion employing two leaf springs which lie side by side in their unflexed state in a plane perpendicular to the direction of motion of a moving part. One end of one spring is coupled to the moving part. The other end of the spring and one end of the second spring are coupled together in a free floating fashion. The second end of the second spring is coupled to the frame of the machine. As the moving part travels, the two springs bend in identical but opposite directions, canceling out any deflection or decrease in the lengths of the springs caused by the springs' flexing action. Even when the springs are flexed, they remain in a plane parallel to one another and perpendicular to the plane of the moving part. The moving part is coupled on one end to a conventional guiding device which confines the moving part to a plane parallel to the frame of the machine. The stiffness of the springs and the connection of the moving part to a guide allows the moving part to travel without any undesired tilting, and since the springs are coupled together in a free floating fashion, the moving part can travel in its straight line path without any friction.
604302
Digital Equipment Corporation
Smart & Biggar
Steltzer Edward L.
LandOfFree
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