Apparatus for detachably connecting a tool to a manipulating device
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United States of America Patent
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Mar 28, 1989
Grant Date -
N/A
app pub date -
Mar 22, 1988
filing date -
Mar 30, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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