Title:
CLAMPING WORK TOOL, BLADE-TIP-REPLACEABLE CUTTING TOOL EQUIPPED WITH CLAMPING WORK TOOL, AND CUTTING INSERT
Document Type and Number:
WIPO Patent Application WO/2022/149580
Kind Code:
A1
Abstract:
A clamping work tool (3A) with which a cutting insert (1A) provided with a shaft portion (13) and a head portion (12) that has a circular cutting blade (11) is attached to and released from a holder (2), said clamping work tool (3A) comprising a first jaw portion (31) that is retained by the holder (2), and an operation lever (33) that is connected to the first jaw portion (31), wherein the first jaw portion (31) has a retainer portion (34) that is retained by the holder (2), and a first pressing portion (35) that, when the operation lever (33) is pivoted in a first direction (D1) using the retainer portion (34) as a fulcrum, presses the head portion (12) downward to fit the shaft portion (13) into a shaft hole portion (21b) of the holder (2).
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Inventors:
HAGIWARA TAKAYUKI (JP)
KITAJIMA JUN (JP)
KITAJIMA JUN (JP)
Application Number:
PCT/JP2022/000135
Publication Date:
July 14, 2022
Filing Date:
January 05, 2022
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORP (JP)
International Classes:
B23B27/00; B23B27/16; B23B29/00
Domestic Patent References:
| WO2010035475A1 | 2010-04-01 |
Foreign References:
| JPH10512505A | 1998-12-02 | |||
| JPS5282190U | 1977-06-18 | |||
| JPS59214502A | 1984-12-04 | |||
| JPS584302A | 1983-01-11 | |||
| JP2012522657A | 2012-09-27 | |||
| US20140003874A1 | 2014-01-02 | |||
| JP2021001675A | 2021-01-07 | |||
| JP2021214809A | ||||
| JPS5553283U | 1980-04-10 | |||
| JP3283521B2 | 2002-05-20 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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