Handling apparatus

Details Handling apparatus Handling apparatus

1990-07-30

1991-05-21

Spar, Robert J.

Material or article handling

Vertically swinging load support

Grab

31856816, 901 35, 901 47, 901 49, B25J 916

Patent

active

050170821

ABSTRACT:
A handling apparatus comprises a holding member for holding an object to be handled, a driving member for driving the holding member, a locus detection section provided in a fixed position which is not driven by the driving member, the locus detection section representing a locus along which the holding member is to move, and a sensor, provided on said holding member, for detecting the locus. The locus of the holding member is constantly detected by the sensor during the operation of the holding member, and, when the holding member is displaced from a predetermined locus, the operation of the handling apparatus is suddenly stopped. Then, the holding member is moved to a position where the locus detection section can be detected by the sensor, and the holding member is restored to an initial position.

REFERENCES:
patent: 3007097 (1961-10-01), Shelley et al.
patent: 4024944 (1977-05-01), Adams et al.
patent: 4609856 (1986-09-01), Hirose et al.
patent: 4667082 (1987-05-01), Shibata et al.
patent: 4766322 (1988-08-01), Hashimoto
patent: 4831316 (1989-05-01), Ishiguro et al.

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