Replacement assembly of handle tool

Details Replacement assembly of handle tool Replacement assembly of handle tool

2006-12-26

2008-12-23

Thomas, David B (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

C081S177850

Reexamination Certificate

active

07467575

ABSTRACT:
A replacement assembly of a handle tool comprises a handle having an axial receiving hole; an adjusting ring; the adjusting ring being formed with a stop block; an driving head having an annular recess; a retaining cylinder installed at one end of the receiving hole for confining the adjusting ring; the retaining cylinder having a positioning hole for receiving the driving head; the retaining cylinder having at least one through hole which is communicated to the positioning hole. The stop block enters into the annular recess of the shaft from the through hole of the retaining cylinder. The retaining cylinder has a large head portion and a small waist; and the adjusting ring is engaged to the waist and is confined by the head portion to be combined with the handle.

REFERENCES:
patent: 5836223 (1998-11-01), Lin
patent: 6901826 (2005-06-01), Huang
patent: 7089828 (2006-08-01), Ho
patent: 7146885 (2006-12-01), Hwang et al.
patent: 7287449 (2007-10-01), Abel et al.

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