Title:
RECIPROCATING WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2017/090375
Kind Code:
A1
Abstract:
Provided is a reciprocating work machine capable of further reducing vibration transmitted from a housing to a handle. Provided is a reciprocating work machine (10) having an electric motor, a piston and a striker that reciprocate by the power of the electric motor and strike a tool, and a housing (12) that accommodates the electric motor, and the piston and the striker, the reciprocating work machine (10) having: a resin handle (50) operably connected to the housing (12); a spring (74) that is provided between the housing (12) and the handle (50) and that extends and contracts in the reciprocating direction of the piston and the striker when the handle (50) operates relative to the housing (12); and a weight (61) that is provided to the handle (50) and is constituted by a material having a specific gravity higher than the specific gravity of material constituting the handle (50) and a material constituting the housing (12), respectively.
Inventors:
TANABE DAIJIRO (JP)
FUJIMOTO GOYA (JP)
FUJIMOTO GOYA (JP)
Application Number:
PCT/JP2016/082059
Publication Date:
June 01, 2017
Filing Date:
October 28, 2016
Export Citation:
Assignee:
HITACHI KOKI KK (JP)
International Classes:
B25D17/04; B25D17/24
Foreign References:
| JP2010000567A | 2010-01-07 | |||
| JPS5192775U | 1976-07-24 | |||
| JP2006272511A | 2006-10-12 | |||
| JP2014009791A | 2014-01-20 | |||
| JP2005156778A | 2005-06-16 | |||
| JPS6231342U | 1987-02-25 | |||
| JP2006051593A | 2006-02-23 | |||
| JPS6181888U | 1986-05-30 | |||
| JPS60103738U | 1985-07-15 |
Other References:
See also references of EP 3381619A4
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