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United States Patent	D480,937
Vogele ,   et al.	October 21, 2003

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The ornamental design for a hammer drill, as shown.

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Inventors:	Vogele; Roland (Winnenden, DE), Kumpf; Rainer (Ilsfeld, DE)
Assignee:	Atlas Copco Electric Tools GmbH (Winnenden, DE)
Appl. No.:	D/158,715
Filed:	April 8, 2002

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Foreign Application Priority Data

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Oct 10, 2001 [DE]			401 08 967

Current U.S. Class:	D8/69
Current International Class:	0801
Field of Search:	D8/61,62,63,64,65,66,67,68,69,70 81/57.11,429,464,465,466,469,489 173/13,169,178,213,217 227/8,114,120,130,136,142 310/50 408/20,124,125,234,241R 451/358

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References Cited

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U.S. Patent Documents

1679185	July 1928	Sweet
3395765	August 1968	Schnettler
D339510	September 1993	Sakamoto et al.
D408699	April 1999	Zurwelle
D409468	May 1999	Uchida et al.
D428786	August 2000	Hayakawa et al.
D440851	April 2001	Sakai et al.
D477677	September 2001	Stirm
D456233	April 2002	Main

Primary Examiner: Coles; Doris V.
Assistant Examiner: Nelson; T. Chase
Attorney, Agent or Firm: Huckett; Gudrun E.

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Description

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FIG. 1 is a perspective top view of our novel hammer drill;

FIG. 2 is a perspective bottom view of our novel hammer drill;

FIG. 3 is a perspective side view of the right side, when viewed from the bit receiving end, of our novel hammer drill;

FIG. 4 is a side view of the left side, when viewed from the bit receiving end, of our novel hammer drill;

FIG. 5 is a bottom plan view of our novel hammer drill with the bit receiving end pointing to the right;

FIG. 6 is a front view onto the bit receiving end of our novel hammer drill; and,

FIG. 7 is a rear view of our novel hammer drill.

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