Insertion type hand tool

Details Insertion type hand tool Insertion type hand tool

2007-08-28

2007-08-28

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

C081S177850, C081S177700, C081S177800

Reexamination Certificate

active

11397369

ABSTRACT:
An insertion type hand tool comprises a tool body having a handle and a connecting portion extended from the handle; the connecting portion having a combining groove; a driving portion having an engaging end corresponding to the connecting portion; at least one side of the engaging end being formed with an inclined side for resisting against the combining groove of the connecting portion so that the orientation of the driving portion is adjustable with respect to the connecting portion; one side of the engaging end near the driving portion having a flat side; the flat side being adjacent with an inclined side; and an elastic unit is installed in the engaging end of the driving portion so as to be positioned in a positioning hole of the connecting portion.

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patent: 7018298 (2006-03-01), Chiou
patent: 7137323 (2006-11-01), Hsieh
patent: 2004/0214646 (2004-10-01), Chiou
patent: 191913 (1986-08-01), None
patent: 308968 (1989-03-01), None

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