Engaging recess for sockets

Tools – Wrench – screwdriver – or driver therefor – Rigid jaws

Reexamination Certificate

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Reexamination Certificate

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06938524

ABSTRACT:
A socket includes a tubular body having a receiving recess in a first end thereof so as to be connected with a driving end of a wrench, and an engaging recess is defined in a second end of the tubular body so as to be mounted to a bolt head or a nut. The engaging recess has 24 or 36 points equal-angularly extending from an inner periphery of the engaging recess. An opening between two adjacent points is smaller than a width between two respective root portions of the two adjacent points.

REFERENCES:
patent: 3079819 (1963-03-01), Wing
patent: 3314318 (1967-04-01), Shoults
patent: 3433108 (1969-03-01), Ondeck
patent: 3675516 (1972-07-01), Knudsen et al.
patent: 4100824 (1978-07-01), Marschke
patent: 4126063 (1978-11-01), Palmer
patent: 6029756 (2000-02-01), Britzke et al.
patent: 6382053 (2002-05-01), Macor
patent: 2003/0097909 (2003-05-01), Pote

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