Universal joint capable of replacing different tool sets

Details Universal joint capable of replacing different tool sets Universal joint capable of replacing different tool sets

2011-08-23

2011-08-23

Shakeri, Hadi (Department: 3727)

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

C403S057000, C464S120000

Reexamination Certificate

active

08001873

ABSTRACT:
A universal joint comprises a tool set including a driving portion secured on one end thereof and a spherical member fixed on another end thereof; a base including a receiving chamber disposed on one end thereof and a circular groove mounted on another end thereof to receive the spherical member of the tool set, between the groove and the spherical member of the tool set being defined a stooping structure, the stopping structure including two opposite sliding slots and two locking tabs relative to the sliding slots, and a locking structure disposed on the base and including two annular recesses arranged on an outer periphery of the base and communicating with the groove to receive two engaging members respectively, on an outer periphery of the base being fitted a pressing member in which an abutting surface formed therein.

REFERENCES:
patent: 3098365 (1963-07-01), Pearson
patent: 4114401 (1978-09-01), Van Hoose
patent: 4941862 (1990-07-01), Hazebrook et al.
patent: 5974919 (1999-11-01), Habele
patent: 2009/0288523 (2009-11-01), Chen

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