Pressing tool and locking bolt
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United States of America Patent
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Mar 1, 2016
Grant Date -
Feb 5, 2015
app pub date -
Feb 20, 2013
filing date -
Feb 21, 2012
priority date (Note) -
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Abstract
A pressing tool in which, according to work content, an exchange tool is held so as to be capable of being exchanged by attachment/detachment by a locking bolt penetrating through a mounting portion provided to the tool main body, and the exchange tool is actuated by a pressing member. The outer periphery of the shank of the locking bolt is provided with: an annular groove for locking, arranged on the bolt-head side so as to be partially discontinuous; a release groove extending from the discontinuous part of the annular groove toward the tip of the bolt along the shank at an incline so as to gradually get shallower; and a retaining annular groove formed on the shank further toward the tip of the bolt than the release groove, the bolt-head side inner wall of the retaining annular groove being formed as a tapered incline. The mounting part is provided with a locking pin that fits into the locking annular groove, the release groove, and the retaining groove and that is capable of moving between the grooves. The locking bolt is provided with a release coil spring for urging the bolt toward the bolt head.
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