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Patent Searching and Data


Title:
PERCUSSION TOOL
Document Type and Number:
WIPO Patent Application WO2017010195
Kind Code:
A1
Abstract:
[Problem] To join a two-piece tool holder at low cost, thereby reducing overall cost. [Solution] A hammer drill (1) in which a cylindrical tool holder (8) to which a bit is fitted to the tip thereof is housed inside a housing (2), and the tool holder (8) is formed by joining the front cylinder (8A) and the rear cylinder (8B) which are separate in a front-rear direction. Therein, the joining site (P1), which is part of the overlapping part of the front cylinder (8A) and the rear cylinder (8B), is joined by laser lap welding.

Inventors:
MIYAMOTO KENJI (JP)
URANO SHINICHI (JP)
Application Number:
PCT/JP2016/066894
Publication Date:
January 19, 2017
Filing Date:
June 07, 2016
Export Citation:
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Assignee:
MAKITA CORP (JP)
International Classes:
B25D17/08; B23K26/242; B23K26/244
Domestic Patent References:
WO2012053126A12012-04-26
Foreign References:
US20060037767A12006-02-23
JPH10235482A1998-09-08
JP2014104487A2014-06-09
JP2006297527A2006-11-02
US20120111592A12012-05-10
Attorney, Agent or Firm:
ISHIDA Yoshiki (JP)
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