US Patent No: 6,148,701

Number of patents in Portfolio can not be more than 2000

Tool handle with high driving torque

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Importance

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Abstract

A tool handle includes a polygonal first end and a rectangular second end adapted to engage with a tool bit. The first end has a plurality of spaced first arcuate corner sections. The second end has a plurality of spaced second arcuate corner sections. Each first arcuate corner section of the first end is connected via a skew connecting face to an associated arcuate corner section of the second end. A skew recessed area is formed between each two adjacent said connecting faces.

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First Claim

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Patent Owner(s)

  • Assignment data not available. Check USPTO

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lee, Shu-Chen 3F, No. 1, Alley 3, Lane 80, Min-Sheng East Road, Section 4, Taipei, TW 7 56

Cited Art

Patent Info (Count) # Cites Year
 
CREDO TOOL COMPANY (1)
5,390,572 Tool with immproved impact and torque capabilities and having ergonomic handle 103 1993
 
Stephan Witte GmbH & Co. KG (1)
5,475,894 Handgrip for a tool and method of making same 30 1994
 
TECOMET, INC. (1)
5,551,323 Screwdriver handle 32 1995

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
BLACK & DECKER INC. (2)
6,308,378 Frictional gripping arrangement for a power tool handle 87 2000
7,496,989 Handle assembly for tool 2 2003
 
Bradshaw Medical, Inc. (1)
D543433 Rotatable tool handle 8 2006
 
CONAIR CORPORATION (1)
7,267,476 Dual handle immersion blender 1 2003
 
NMTC, INC. D/B/A MATCO TOOLS (1)
D572564 Twisted grip tool handle 3 2007
 
PRUDENTIAL CO., LTD. (1)
6,721,997 Handle for tape dispenser 11 2002
 
SNAP-ON TECHNOLOGIES, INC. (1)
D468182 Handle 18 2001
 
WMH TOOL GROUP, INC. (1)
D485482 Hand tool handle 8 2002
 
Other [Check patent profile for assignment information] (14)
D454477 Handle for screwdriver 23 2000
D447926 Tool handle 8 2001
D461385 Handle of precision screwdriver 10 2001
D479111 Tool handle 9 2002
D474097 Tool handle 12 2002
D478494 Replaceable, trimmable grip with pressure sensitive adhesive for tool handle 26 2002
D479109 Wrench with enlarged handle 5 2002
D478795 Spanner with bending handle 2 2002
D479112 Handle of precision screwdriver 15 2002
7,069,823 Auxilary handle device for use with conventional handheld screwdrivers 4 2004
D528110 Set of grips for a cell phone 4 2004
D525242 Set of grips for a cell phone 0 2004
7,387,052 Wrench with outstanding grip 3 2006
8,051,538 Handle with asymmetrical configuration 0 2009