Dry wall hand tool

Details Dry wall hand tool Dry wall hand tool

2011-06-14

2011-06-14

Saether, Flemming (Department: 3677)

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Threaded fastener locked to a discreet structure

Member or portion thereof located between substructure and...

C411S140000, C411S401000

Reexamination Certificate

active

07959391

ABSTRACT:
An dry wall hand tool for a dry wall includes a pusher handle and a penetrating pin including an elongated pin body having a tail end portion protruding from the pusher handle and a sharp penetrating tip for initially penetrating into the dry wall to form a hole thereat in a tool-less manner when a rotational pushing hand force is applied at the pusher handle. The dry wall hand tool further includes locking arrangement including a retention pin slidably extended from the pusher handle at a position that the retention pin is spaced apart from the penetrating pin, wherein the retention pin is arranged for penetrating into the dry wall after the penetrating pin penetrated into the dry wall, such that the pusher handle is securely locked up by the retention pin to prevent the pusher handle being rotated to remove the penetrating pin from the dry wall.

REFERENCES:
patent: 248393 (1881-10-01), Berry
patent: 793269 (1905-06-01), Black
patent: 1201295 (1916-10-01), Hendee
patent: 5059077 (1991-10-01), Schmid
patent: 5397092 (1995-03-01), Black
patent: 5439338 (1995-08-01), Rosenberg
patent: 6676350 (2004-01-01), McSherry et al.
patent: D552976 (2007-10-01), Gaudron
patent: 7713013 (2010-05-01), Sedgwick et al.
patent: 2006/0056939 (2006-03-01), Ernst et al.

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