Coupling arm for transmitting linear motion

Details Coupling arm for transmitting linear motion Coupling arm for transmitting linear motion

1983-10-18

1986-02-11

Dorner, Kenneth J.

Machine element or mechanism

Elements

Pitmans and connecting rods

74586, G05G 100

Patent

active

045692483

ABSTRACT:
A coupling arm for coupling a driving mechanism to a mechanism to be driven is presented. The arm includes a length of suitable rigid material with flexure points selectively formed therein. The flexure points allow the coupling arm to transmit a linear motion in both a forward and reverse direction without introducing backlash, yet allow the arm to flex in order to reduce stress forces caused by misalignment. The flexure points are formed by removing a sufficient amount of the rigid material at selected regions along the length thereof such that the remaining thickness allows the arm to bend. The coupling arm is ideally suited for applications requiring repeatable precision linear movement, such as a precise XY positioning table.

REFERENCES:
patent: 136690 (1973-03-01), Aufdembrinke
patent: 1394784 (1921-10-01), Pearson
patent: 2428743 (1947-10-01), Roxberg
patent: 2837934 (1958-06-01), Edmundson
patent: 2895345 (1959-07-01), McClure

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