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US Patent 7168348 Screwdriver bits

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7168348
Date of Patent
January 30, 2007
Patent Application Number
10441135
Date Filed
May 19, 2003
Patent Citations Received
‌
US Patent 12122019 Tool bit having a bimetal tip
3
‌
US Patent 11673239 Tool bit having a bimetal tip
4
‌
US Patent 11904438 Fastener retention and anti-camout tool bit
5
‌
US Patent 11958168 Wear resistant tool bit
6
Patent Primary Examiner
‌
Hadi Shakeri
Patent abstract

The invention pertains to a screwdriver bit with a drive section (14) and a front section (1) that contains a profiled penetrating section (2) and is manufactured by compression molding and subsequently sintering a hard metal powder, where the front section is connected to the drive section. Thus, according to the invention, the length of the front section (1) is not greater than 2.5-times the length of the penetrating section (2) and/or the ratio of the length of the front section (1) to the diameter or the width across corners of the penetrating section (2) is not greater than 2.2 (FIG. 7).

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