Handling: hand and hoist-line implements – Grapple – Load shifting
Patent
1988-03-22
1989-03-28
Marbert, James B.
Handling: hand and hoist-line implements
Grapple
Load shifting
294 8728, 294 8224, 414730, 403322, 403325, 901 28, 901 37, 901 41, B66C 110
Patent
active
048157805
ABSTRACT:
The invention provides an apparatus for detachably connecting a tool to a manipulating device, e.g. an industrial robot. The apparatus includes a tool holder and a coupling member fastened to the robot. The coupling member has a free frontal surface on which the tool holder rests. A plurality of air channels and electric contacts merge into the free frontal surface in a peripheral region thereof. Four projecting centering pins are provided in the center of the free frontal surface. The tool holder is provided with correspondingly located air channels and electric contacts as well as with a centrally arranged centering disc which is rigid in circumferential direction and axially resilient. The disc has apertures in which the centering pins enter when the tool holder is fixed to the coupling member. Thus, the tool holder is precisely centered and all pneumatic and electric connections are automatically established.
REFERENCES:
patent: 4227853 (1980-10-01), Woodford et al.
patent: 4370091 (1983-01-01), Gagliardi
patent: 4500065 (1985-02-01), Hennekes et al.
patent: 4636135 (1987-01-01), Baneon
Erowa AG
Marbert James B.
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