X, Y, .theta. alignment mechanism

Details X, Y, .theta. alignment mechanism X, Y, .theta. alignment mechanism

1974-09-26

1977-02-08

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlling elements for single controlled element

G05G 1100

Patent

active

040066452

ABSTRACT:
An improved apparatus for obtaining X, Y and .theta. relative motion of an object in which four links pivotally connected in a parallelogram with the object forming one link thereof is used, with means provided to rotate a first of the links while holding stationary the adjacent link to produce a Y motion, and means to rotate one of said links to thereby rotate the arrangement, in each case, the motion being accomplished with negligible cross-coupling and in a manner which permits fine adjustments of the order of a micron with no lost motion.

REFERENCES:
patent: 3626769 (1971-12-01), Hecker et al.
patent: 3691864 (1972-09-01), Cochran et al.
patent: 3861233 (1975-01-01), Miyamoto

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