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US 2009/0014194 A1Published application
Electric power tool
AssigneeHitachi Koki Co., Ltd.
InventorsMasato Sakai, Satoru Matsuno, Masanori Watanabe, Chikai Yoshimizu
Life of this patent
Estimating the term…
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.
Claims5
An electric power tool comprising:
- a motor that serves as a driving source;
- a percussion mechanism that includes:
- a hammer that is driven by the motor;
- and
- a anvil that rotates when hammered by the hammer;
- a housing that houses the motor;
- a hammer case that is disposed adjacent to the housing and that houses the percussion mechanism;
- a cover that is disposed to cover an outer surface of the hammer case and that is formed of resin;
- and
- a stopper that is disposed to cover the outer surface of the hammer case to prevent the cover from being separated from the hammer case,
- wherein the hammer case includes a fitting projection that is formed on the outer surface of the hammer case, and
- wherein the stopper includes a fitting recess that is formed on an inner surface of the stopper to fit with the fitting projection.
9 more elements
An electric power tool comprising:
- a motor that serves as a driving source;
- a percussion mechanism that includes:
- a hammer that is driven by the motor;
- and
- a anvil that rotates when hammered by the hammer;
- a housing that houses the motor;
- a hammer case that is disposed adjacent to the housing and that houses the percussion mechanism;
- a cover that is disposed to cover an outer surface of the hammer case and that is formed of resin;
- and
- a stopper that is disposed to cover the outer surface of the hammer case at a side opposite to the housing,
- wherein one of the hammer case and the stopper includes a fitting portion and the other of the hammer case and the stopper includes a fitted portion that is formed to fit with the fitting portion.
8 more elements
Dependencies are inferred from the claim text.