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Title:
RECIPROCATING TOOL
Document Type and Number:
WIPO Patent Application WO/2018/100941
Kind Code:
A1
Abstract:
Provided is a reciprocating tool capable of ensuring dustproof performance and waterproof performance inside a gear case. In a saber saw 1 provided with: a motor 41; a gear case 23 having an upper cover 231 and a gear cover 232 that opposes the upper cover 231; a gear part 5 that is housed in the gear case 23 and converts the rotation of a motor body 41 and a motor shaft 42 into a reciprocating movement in a predetermined direction; and a plunger 6 that has a blade attachment part 62 attachable to a blade P, is supported by the gear case 23 in a reciprocally movable manner, and is driven by the gear part 5 so as to make a reciprocating movement in a predetermined direction, the plunger 6 is inserted in a reciprocally movable manner in a predetermined direction, and a sealing material 7 that is held by the upper cover 231 and the gear cover 232 and seals the outer circumference of the plunger 6 is provided.

Inventors:
ONISHI TAKAAKI (JP)
TACHIBANA TOSHIHIKO (JP)
SHIBATA SHOGO (JP)
Application Number:
PCT/JP2017/038897
Publication Date:
June 07, 2018
Filing Date:
October 27, 2017
Export Citation:
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Assignee:
HITACHI KOKI KK (JP)
International Classes:
B25F5/00; B23D49/16; B23D51/16; B27B19/09
Domestic Patent References:
WO2014056747A22014-04-17
Foreign References:
JPH11320456A1999-11-24
US20080041174A12008-02-21
US20110107608A12011-05-12
JPS57151489U1982-09-22
JP2000117535A2000-04-25
US4385443A1983-05-31
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