Impact wrench
Description
FIG. 1 is a left-side view of the impact wrench, showing my new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a right-side view thereof;
FIG. 5 is a front view thereof; and,
FIG. 6 is a bottom view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D340396 | October 19, 1993 | Ichikawa |
D344878 | March 8, 1994 | Izumisawa |
D358314 | May 16, 1995 | Izumisawa |
4204580 | May 27, 1980 | Nally |
4886215 | December 12, 1989 | Ruud |
5035161 | July 30, 1991 | Huang |
- RODAC 4103 Air Hammer, RODAC Industrial Air Tools Catalog RIT75, p. 18. Zone King Air Impact Wrench Modek AK-502, Zone King Industrial Co., Ltd. Catalog, p. 3. RF.RTM. Air Hammer Model RF-502, RF.RTM. Air Tools Poster. Automotive Power Tools, Ingersoll-Rand Catalog, 1992, pp. 10, 12 and 13. Automotive Air Tools, Chicago Pnematic Catalog, Mar. 1990, p. 2. Hardwares Catalog, Dec. 1986, p. 107.
Patent History
Patent number: D378891
Type: Grant
Filed: Sep 11, 1995
Date of Patent: Apr 22, 1997
Inventor: Eric Sung (Ta-Li, Taichung County)
Primary Examiner: James M. Gandy
Assistant Examiner: Robert M. Spear
Application Number: 0/43,846
Type: Grant
Filed: Sep 11, 1995
Date of Patent: Apr 22, 1997
Inventor: Eric Sung (Ta-Li, Taichung County)
Primary Examiner: James M. Gandy
Assistant Examiner: Robert M. Spear
Application Number: 0/43,846
Classifications
Current U.S. Class:
D 8/68