Sleeve device with stepped structure

Details Sleeve device with stepped structure Sleeve device with stepped structure

2006-08-29

2006-08-29

Wilson, Lee D. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

C081S121100

Reexamination Certificate

active

07096766

ABSTRACT:
A sleeve device comprises a sleeve portion, the sleeve portion having a first opening; a first sleeve extending from an upper side of the sleeve portion; the sleeve portion having four sides; two opposite sides of the four sides being suitable for one kind of spanner and the other two opposite sides being suitable for another kind of spanner; a second sleeve; the sleeve portion having four sides; two opposite sides of the four sides being suitable for one kind of spanner and the other two opposite sides being suitable for another kind of spanner; the first sleeve and the second sleeve being formed as a stepped structure; the second sleeve having a second opening. The second sleeve has a shape similar to that of the first sleeve and the size of the second sleeve is smaller than that of the first sleeve.

REFERENCES:
patent: 1281438 (1918-10-01), Tuttle
patent: 5862721 (1999-01-01), Kowats
patent: 6637298 (2003-10-01), O'Brien et al.
patent: 6647831 (2003-11-01), Hu
patent: 6792838 (2004-09-01), Brooks et al.
patent: 6827538 (2004-12-01), Doppke et al.
patent: 6898999 (2005-05-01), Hsien

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