CLAMP DEVICE OF INDEXING APPARATUS
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United States of America Patent
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app pub date -
Aug 8, 2017
filing date -
Aug 26, 2016
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Abstract
Provided is a clamp device of an indexing apparatus that indexes a main shaft, which is rotatably supported in an accommodation hole of a frame via a bearing, to a set angular position by rotating the main shaft by using a driving device. The clamp device includes a working channel that connects an air supply device, which supplies compressed air, to a pressure chamber in the clamp device. The clamp device operates to retain an angular position of the main shaft when compressed air is supplied from the air supply device. The clamp device includes a pressure transmitting portion that is interposed in the working channel and in which a piston is slidably disposed. A portion of the working channel on the pressure chamber side of the piston in the pressure transmitting portion is filled with an incompressible fluid.
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