Handle for hand tool

Details Handle for hand tool Handle for hand tool

2002-07-12

2004-01-27

Nguyen, George (Department: 3723)

Tools

Handle for tool

C081S177100, C081S177300, C030S340000

Reexamination Certificate

active

06681664

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a handle of a hand tool and the handle has a plurality of recesses for receiving the thumb of the hand and a plurality of ridges extending from the surface of the handle so as to increase the friction.
BACKGROUND OF THE INVENTION
A conventional hand tool is shown in FIG.
1
and generally includes handle
10
and a shank
11
extending from the handle
10
. The handle
10
is suitable for being held by hand of the user and generally is a tubular bar. The handle
10
has a smooth surface and is not convenient for the user to hold the handle
10
tightly. When rotating the hand tool, the friction between the handle
10
and the hand of the user is critical for output a torque. “When the handle
10
, or the hand contains grease or sweat the handle tends to be slippery”.
The present invention intends to provide a handle of a hand tool wherein the handle has recesses for the thumb to be rested such that the handle is more securely held by the hand and the friction between the handle and the hand is high enough to facilitate the output a high torque.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, there is provided a hand tool which comprises a handle with a shank extending from a first end of the handle. A plurality of recesses are defined in an outer surface of the handle and located close to the first end of the handle.
The primary object of the present invention is to provide a handle of a hand tool wherein the handle is able to be securely held by the user.
The present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, a preferred embodiment in accordance with the present invention.


REFERENCES:
patent: 4739536 (1988-04-01), Bandera et al.
patent: 4922575 (1990-05-01), Riemann
patent: 5228363 (1993-07-01), Corona et al.
patent: 5722116 (1998-03-01), Lin
patent: D398507 (1998-09-01), Thompson et al.
patent: 5823078 (1998-10-01), Liu
patent: 6029549 (2000-02-01), Baker
patent: 6314617 (2001-11-01), Hastings

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