Sleeve with non-round connecting portion

Details Sleeve with non-round connecting portion Sleeve with non-round connecting portion

2005-05-31

2005-05-31

Hail, III, Joseph J. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

C081S124200, C081S124300

Reexamination Certificate

active

06898999

ABSTRACT:
A sleeve with a non-round engaging portion comprises a sleeve body having a receiving portion at one end thereof and a connecting portion at another end thereof; the connecting portion being communicated to the receiving portion; the connecting portion having four sides; each two opposite sides are symmetrical. The connecting portion has different sections which are different diameters for matching sizes of different spanners.

REFERENCES:
patent: 1643901 (1927-09-01), Peterson

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