Screwdriver including a handle with an O-ring therein for retaining a removable bit and method of assembly therefor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5335409
SERIAL NO

08079644

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A screwdriver is provided with a handle including an insert and an O-ring wherein the O-ring is positioned between the insert and a shoulder in the opening into the handle. A bit is held in the handle by the O-ring. A method of assembly is provided wherein an O-ring and an insert member are positioned around a shaft of a bit and then the bit is inserted into a handle, followed by the O-ring and the insert. The bit is removed from the handle leaving the O-ring positioned between the insert and a shoulder of the handle, for subsequent receipt of the same end of the bit, another end of the bit, or a different bit.

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First Claim

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Family

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ENDERES TOOL CO., INC.APPLE VALLEY, MN0

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Elvebak, Dale D Albert Lea, MN 2 40

Cited Art Landscape

Patent Info (Count) # Cites Year
 
HOLO-KROME COMPANY (1)
* 4535658 Socket bit holder 43 1982
 
Firma Hermann Werner GmbH & Co. (1)
* 4404874 Screwdriver with replaceable blade 25 1981
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (4)
* 5533429 Fastener driving tool insert 30 1994
6363820 Hand tool for driving a fastener about an axis 0 2000
6922870 Torque magnifying handle for driving tool 33 2003
* 2011/0146,464 CLAMPING MEMBER FOR PORTABLE AND REPLACEABLE BIT ASSEMBLY 0 2009
 
ENDERES TOOL CO., INC. (1)
* 5881615 Multiple bit screwdrivers and methods 24 1997
 
GORILLA GLUE COMPANY, THE (1)
* 5881614 Tool with reversible bit and method of assembly 16 1996
 
CITIBANK, N.A. (1)
* 5638727 Plastic screwdriver with retaining ring 14 1995
 
ROBERT BOSCH GMBH (2)
* 6059493 Manual machine tool with tool holder and appropriate tool 4 1998
* 9440345 Hand power tool device 0 2011
 
BLACK & DECKER INC. (2)
D446706 Hand held tool 23 2000
6378402 Hand tool 33 2000
 
PHILLIPS SCREW COMPANY (2)
* 6152000 Driver bit and driver 6 1998
6609862 Tool bit 3 2001
 
Hung Yu Industrial Co., Ltd. (2)
* 6883406 Shank retaining base for screwdriver 4 2003
* 2004/0250,664 Shank retaining base for screwdriver 0 2003
 
MAKITA CORPORATION (3)
* 8413742 Impact tool 2 2009
8316962 Impact tool 0 2009
* 2010/0155,094 Impact tool 2 2009
 
GATOR GRIP, INC. (1)
6666396 Multidirectional rotatable handle 5 2002
* Cited By Examiner