Positioning device and clamping system having the same
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United States of America Patent
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N/A
Issued Date -
Dec 28, 2006
app pub date -
Sep 9, 2004
filing date -
Oct 1, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A plug member (12) is projected upward from a first block (1) so as to be inserted into a positioning hole (5) of a second block (2). An inclined outer surface (13) getting closer to an axis upward is provided on the plug member (12). A sleeve member (15) which is allowed to deform in both a diametrically expanding direction and a diametrically contracting direction is arranged outside the inclined outer surface (13). The sleeve member (15) is provided with a straight outer surface (16) which is allowed to come into close contact with the positioning hole (5) and an inclined inner surface (17) facing the inclined outer surface (13). A drive member (21) is inserted into the plug member (12) axially movably and connected to the sleeve member (15). The sleeve member (15) is moved vertically by a drive device (D). At least one of the inclined inner surface (17) and the inclined outer surface (13) is provided on a pair of projections (61, 61) opposed to each other in the diametrically expanding direction and diametrically contracting direction, and escape portions (62, 62) are formed between the projections (61, 61).
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