Attachment to hammer drills for driving in expansion shell bolts

Description

FIG. 1 is a front right perspective view of an attachment to hammer drills for driving in expansion-shell bolts, showing my new design;

FIG. 2 is a top rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof, the opposite side elevational view being a mirror image thereof; and,

FIG. 6 is a top plan view thereof, the bottom plan view being a mirror image thereof.

Claims

The ornamental design for an attachment to hammer drills for driving in expansion shell bolts, as shown and described.

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Inventors:	Karvinen; Markku (S-212 30 Malmo, SE)
Appl. No.:	D/041,554
Filed:	July 18, 1995

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Foreign Application Priority Data

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Jan 25, 1995 [SE]			95-0150

Current U.S. Class:	D8/70
Field of Search:	;D8/29,70 ;D15/135 ;81/55,121.1,177.1,463,464 ;175/320,321

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References Cited [Referenced By]

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U.S. Patent Documents

D83321	February 1931	Friedman
D142054	August 1945	Young
D299613	January 1989	Laurie
D327825	July 1992	Oglesby et al.
D356320	March 1995	Catalanotti et al.
D363011	October 1995	Gruner et al.
1743505	January 1930	Turgeon
3298449	January 1967	Bachman et al.
3411555	November 1968	Herpich
3678789	July 1972	Wilson
5327982	July 1994	Trahan et al.

Primary Examiner: Gandy; James M.
Assistant Examiner: Spear; Robert M.
Attorney, Agent or Firm: Tarolli, Sundheim, Covell, Tummino & Szabo