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US 2006/0048959 A1Published application
Electric power tool
AssigneeHitachi Koki Co., Ltd.
InventorsMasato Sakai, Satoru Matsuno, Masanori Watanabe, Chikai Yoshimizu
Life of this patent
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Abstract
A cover which covers outer peripheries of fastening screws are disposed on an outer periphery of a hammer case. A stopper which detachably positions and fixes the cover to the outer periphery of the hammer case is disposed.
Claims15
An electric power tool comprising:
- a motor serving as a driving source;
- a reduction mechanism which transmits rotative power from said motor;
- a percussion mechanism which converts the rotative power from said reduction mechanism into a percussive force;
- a hammer case which houses said percussion mechanism, said hammer case being made of metal;
- a housing which is adjacent to said hammer case, and which houses said motor, said hammer case being fastened on said housing by fastening screws;
- a cover which covers outer peripheries of said fastening screws and is disposed on an outer periphery of said hammer case;
- and
- a fixing unit which detachably positions said cover to an outer periphery of said hammer case.
5 more elements
(canceled)
An electric power tool comprising:
- a percussion mechanism which converts rotative power into a percussive force;
- a hammer case which houses said percussion mechanism;
- a housing which is adjacent to said hammer case, said hammer case being fastened on said housing by fastening screws;
- and
- a cover which entirely covers outer peripheries of each of said fastening screws and is disposed on an outer periphery of said hammer case, said cover comprising a plurality of protrusions disposed along a longitudinal direction of said cover,
- wherein said protrusions house respectively said fastening screws and are tapered such that an inclination is formed between a front end portion and a raised rear portion of each of said protrusions.
3 more elements
A power tool, comprising:
- a motor as a driving force;
- and
- a housing holding the motor, the housing comprising:
- a holding section;
- a handle section formed by the housing;
- an operation section;
- a battery attachably and detachably located at one end of the handle section via the operation section;
- and
- a stopping member located on the holding section of the housing,
- wherein the stopping member is provided with a periphery of the operation section which is located on a side surface of the battery.
7 more elements
Dependencies are inferred from the claim text.