Moving gantry machine having uprights movable relative to each o

Details Moving gantry machine having uprights movable relative to each o Moving gantry machine having uprights movable relative to each o

1996-12-27

1998-11-24

Marmor, Charles A.

Machine element or mechanism

Control lever and linkage systems

Multiple controlling elements for single controlled element

408 37, 408 38, 409202, 409212, B23C 110, B23Q 125

Patent

active

058393234

ABSTRACT:
The invention relates to a moving gantry machine having uprights that are movable relative to each other. The uprights are interconnected by a cross-member made up of two cross-member elements suitable for being moved relative to each other in the limit of a given maximum offset .DELTA. in the displacement direction of the uprights. The displacement of the uprights is controlled by respective independent drive systems X.sub.1 and X.sub.2 under numerical control within the limit of said offset. A third drive system X.sub.3 is provided for displacement between the cross-member elements and is under numerical control with the condition the displacement distance of drive system X.sub.1 +the displacement distance of drive system X.sub.3 =the displacement distance of drive system X.sub.2.

REFERENCES:
patent: 2476038 (1949-07-01), Golbert
patent: 3575086 (1971-04-01), Davis
patent: 4635342 (1987-01-01), Balding
patent: 4658485 (1987-04-01), Yang
patent: 4872417 (1989-10-01), Kuwabara et al.
patent: 5183374 (1993-02-01), Line
patent: 5375952 (1994-12-01), Line
French Search Report dated 28 Apr. 1996.

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