IP Library Granted Patent US 8,517,558
Granted Patent B2
US 8,517,558 · App. 13/276,663 · Granted Aug 27, 2013

Power tool

Inventors: Katsuhiro Oomori (Hitachinaka, JP); Chikai Yoshimizu (Hitachinaka, JP); Hidekazu Harada (Hitachinaka, JP); Nobuhiro Takano (Hitachinaka, JP)
Assignee: Hitachi Koki Co., Ltd.
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Quick Facts
Patent No.
US 8,517,558
App. No.
13/276,663
Granted
Aug 27, 2013
Kind
B2
Abstract

A power tool includes a body housing a motor and a power transmission mechanism positioned ahead of the motor for transmitting a power of the motor, a handle grip having an upper end portion connected to an approximately intermediate portion of the body and a lower end portion to which a battery is connected, a light emitting element positioned below the power transmission mechanism and receiving electrical power from the battery for illuminating a portion ahead of the body, and a trigger positioned below the power transmission mechanism for controlling a supply of the electrical power from the battery to the motor and to the light emitting element.

Claims (21)

1. A power tool comprising:

a body including a housing and a hammer case connected to the front of the housing;

a motor housed in the housing;

an impact mechanism positioned ahead of the motor for transmitting a power of the motor, the impact mechanism being housed in the hammer case;

a handle grip having an upper end portion connected to an approximately intermediate portion of the body and a lower end portion to which a battery is connected;

a light emitting element positioned below the hammer case and receiving electrical power from the battery for illuminating a portion ahead of the body; and

a trigger positioned below the hammer case for controlling a supply of the electrical power from the battery to the motor and to the light emitting element, the light emitting element being housed in the housing above the trigger.

2. A power tool comprising:

a body including a housing and a hammer case connected to the front of the housing;

a motor housed in the housing;

an impact mechanism positioned ahead of the motor for transmitting a power of the motor, the impact mechanism being housed in the hammer case;

a handle grip having an upper end portion connected to an approximately intermediate portion of the body and a lower end portion to which a battery is connected;

a trigger positioned below the hammer case for controlling a supply of electrical power from the battery to the motor; and

a light emitting element positioned between the hammer case and the trigger and receiving an electrical power from the battery for illuminating a portion ahead of the body, the light emitting element being housed in the housing above the trigger.

3. A power tool comprising:

a body including a housing and a hammer case connected to the front of the housing;

a motor housed in the housing;

an impact mechanism positioned ahead of the motor for transmitting a power of the motor, the impact mechanism being housed in the hammer case;

a handle grip having an upper end portion connected to an approximately intermediate portion of the body and a lower end portion to which a battery is connected;

a light emitting element receiving electric power from the battery for illuminating a portion ahead of the body; and

a trigger controlling a supply of electrical power from the battery to the motor and to the light emitting element, the light emitting element and the trigger being arrayed in a downward extending direction of the handle, the light emitting element being housed in the housing.

Assignments (1)
CHANGE OF NAME Recorded Jul 26, 2018
From: HITACHI KOKI KABUSHIKI KAISHA
To: KOKI HOLDINGS CO., LTD.
Reel/Frame 047270/0107 →
Priority Claims (1)
JP 2002-12182 · Jan 21, 2002 · national
Continuity (4)
Continuation 13094212 · Apr 26, 2011
Continuation 11709741 · Feb 23, 2007
Continuation 10502010 · Jul 20, 2004
Related Publication 20120033405A1 · Feb 9, 2012