Hammer drill
United States Patent D515383
US Patent References:
Portable elecrtric hammer drill
Matsunaga et al. - July, 1994 - D349029
Electric hammer
De Neergaard et al. - August, 1995 - D361252
Portable electric hammer
Arakawa et al. - June, 1998 - D395586
Hand power tool
Thome et al. - December, 1999 - 5996707
Hammer drill
Schoen et al. - August, 2001 - D447032
Portable elecrtric hammer drill
Matsunaga et al. - July, 1994 - D349029
Electric hammer
De Neergaard et al. - August, 1995 - D361252
Portable electric hammer
Arakawa et al. - June, 1998 - D395586
Hand power tool
Thome et al. - December, 1999 - 5996707
Hammer drill
Schoen et al. - August, 2001 - D447032
Representative Image:
Inventors:
Aglassinger, Hans-peter (Esslingen, DE)
Application Number:
D/220707
Publication Date:
02/21/2006
Filing Date:
01/04/2005
View Patent Images:
Export Citation:
Assignee:
Robert Bosch GmbH (Stuttgart, DE)
Primary Class:
International Classes:
(IPC1-7): 0801
Field of Search:
D8/14.1, D8/65, 227/130, D8/66, 81/489, 451/358, D8/62, D8/63, 81/466, 408/20, 408/124, 81/429, D8/68, 173/13, D8/61, 227/142, 408/125, D8/69, 227/120, 81/469, 173/217, 81/464, 227/8, 173/178, 310/50, 81/57.11, D8/70, D8/67, 227/136, 173/213, 408/241R, 227/114, 408/234, D8/64, 81/465, 173/169
US Patent References:
| D466780 | Hammer drill | December, 2002 | Stirm | D8/69 |
| 6681869 | Hand held rotary-percussion tool with an electronic depth stop | January, 2004 | Wursch et al. | 173/178 |
| 6776245 | Electrical hand-held power tool with an electropneumatic percussion mechanism | August, 2004 | Kristen et al. | 173/217 |
| 20020021947 | Dust-proof element and a method of its use in an electrical hand-held tool and with a working tool | February, 2002 | Hofmann et al. | 408/241R |
| 20030070823 | Electrical hand-held power tool with an electropneumatic percussion mechanism | April, 2003 | Kristen et al. | 173/217 |
| 20030188877 | Hand machine tool with a removeable tool holder | October, 2003 | Saur et al. | 173/13 |
Foreign References:
| GB2077130 | February, 1998 | |||
| GB2084054 | December, 1998 | |||
| GB2096746 | April, 2000 |
Primary Examiner:
Watson, Gary D.
Assistant Examiner:
Nelson, Chase T.
Attorney, Agent or Firm:
Kenyon & Kenyon
Claims:
CLAIM
1. The ornamental design for a hammer drill, as shown and described.
1. The ornamental design for a hammer drill, as shown and described.
Description:
FIG. 1 is a perspective view of a hammer drill showing my new design;
FIG. 2 is a top view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a rear view thereof; and,
FIG. 7 is a front view thereof.