Machine element or mechanism – Control lever and linkage systems – Multiple controlling elements for single controlled element
Patent
1992-03-11
1993-05-04
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlling elements for single controlled element
74 8922, 108143, 108 20, 108137, 248661, 248178, 248184, 248657, 269 73, 414749, F16H 1906
Patent
active
052071154
ABSTRACT:
An X-Y drive apparatus suitable for use in positioning an electronic component or the like at a desired position, such as a mounting position of a printed circuit board, is provided. Each of X and Y table units includes an elongated housing provided with a pair of stationary pulleys at its opposite ends and a table provided with a pair of moving pulleys. A pair of brackets is also mounted on the housing, each located between one of the stationary pulleys and a corresponding one of the moving pulleys. A belt, having its one end fixedly attached to one of the brackets, extends first around one of the moving pulleys, then around each of the stationary pulleys, and then around the remaining moving pulleys with its remaining end fixedly attached to the remaining bracket.
REFERENCES:
patent: 3155383 (1964-11-01), Whitmore
Herrmann Allan D.
Nippon Thompson Co. Ltd.
Trousdell William O.
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