IP Library Granted Patent US 7,490,746
Granted Patent B2
US 7,490,746 · App. 11/603,142 · Granted Feb 17, 2009

Power tool

Assignee: Hitachi koki Co., Ltd.
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,490,746
App. No.
11/603,142
Granted
Feb 17, 2009
Kind
B2
Abstract

A power tool includes a hook portion having a hook holding portion, which is provided in a housing and has engaging teeth provided in the housing. A hook having a shaft portion is inserted into the hook holding portion and provided with fitting teeth meshing with the engaging teeth An elastic body is adapted to push the hook against a handle portion at all times, and a slip-off preventing part holding portion is adapted to move the hook in a direction of an axis thereof against a force of the elastic body and to cancel the mesh between the teeth to thereby enable the hook to turn.

Claims (21)

1. A portable tool comprising:

a housing having a handle portion;

a holding portion provided on the handle portion, the holding portion having a hole and an uneven portion;

a battery connected to the housing;

a hook rotatably held by the holding portion, the hook having a base end portion rotatably held by the hole, a catching portion extending from one end of the base end portion and a retaining portion provided on the other end of the base end portion; and

a spring provided between the holding portion and the retaining portion, the spring pushing the retaining portion so that the hook is engaged with the uneven portion,

wherein the hook has a hooking state and an accommodating state,

wherein the hook is engaged with the uneven portion and the catching portion can be hooked when the hook is in the hooking state,

wherein the hook can be turned when the hook is shifted in a direction of the axis of the hole and disengaged from the uneven portion and the spring is compressed,

wherein the hook is engaged with the uneven portion when the hook is in the accommodating state, the catching portion moving closer to the battery when the hook is turned from the hooking state to the accommodating state.

2. The portable tool according to claim 1 ,

wherein the hook is disengaged from the uneven portion and the spring is compressed when the catching portion is moved away from the holding portion.

3. A portable tool comprising:

a housing;

a holding portion provided on the housing, the holding portion having a hole and an uneven portion;

a hook rotatable held by the holding portion, the hook having a base end portion rotatably held by the hole, a catching portion extending from one end of the base end portion and retaining portion provided on the other end of the base end portion; and

a spring provided between the holding portion and the retaining portion, the spring pushing the retaining portion so that the hook is engaged with the uneven portion,

wherein the hook is disengaged from the uneven portion and the spring is compressed when the catching portion is moved away from the holding portion.

4. The portable tool according to claim 3 ,

wherein the housing further includes a handle portion, the holding portion provided on the handle portion,

wherein the hook is disengaged from the uneven portion and the spring is compressed when the catching portion is moved away from the handle portion.

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 P2001-058628 · Mar 2, 2001 · national
Continuity (4)
Continuation 1097323700 · Oct 27, 2004
Continuation 1072649500 · Dec 4, 2003
Continuation 1008558200 · Mar 1, 2002
Related Publication 20070102462A1 · May 10, 2007