Bit with frictional retention in drive socket

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United States of America Patent

PATENT NO 5295423
SERIAL NO

07970110

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A polygonal bit is frictionally retained in a mating socket opening of a drive socket by the provision of recesses in the flat surfaces of the bit, the formation of each recess creating a raised ridge of material displaced from the recess and projecting from the flat surface around the perimeter of the recess for frictional engagement with the corresponding drive surface of the drive socket. Recesses may be formed in flat surfaces on opposite sides of the bit, with one or two recesses being formed in each such surface. Various shapes of recess are disclosed.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SNAP-ON INCORPORATEDKENOSHA, WI308

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mikic, Frank Kenosha, WI 22 391

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