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
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
Other references
  • 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
Classifications
Current U.S. Class: D 8/68