Title:
A pressurizing tool and a locking bolt
Document Type and Number:
Japanese Patent JP6032694
Kind Code:
B2
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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Inventors:
Kasai Makoto
Application Number:
JP2012035276A
Publication Date:
November 30, 2016
Filing Date:
February 21, 2012
Export Citation:
Assignee:
Izumi Seiki Co., Ltd.
International Classes:
B30B1/32
Domestic Patent References:
| JP3113768U | ||||
| JP2000130419A | ||||
| JP2008521612A | ||||
| JP5187420A | ||||
| JP61198710U |
Foreign References:
| US20080069663 | ||||
| DE10110882A1 |
Attorney, Agent or Firm:
Fumio Yamada
Yousuke Yamada
Yousuke Yamada