Impact wrench

- K.K.U. Limited
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Description

FIG. 1 is a left side view of an impact wrench showing my new design;

FIG. 2 is a rear veiw 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
D288769 March 17, 1987 Doman
D288770 March 17, 1987 Doman
D324801 March 24, 1992 Caskey et al.
D357849 May 2, 1995 Izumisawa
D358314 May 16, 1995 Izumisawa
D364544 November 28, 1995 Izumisawa
D370163 May 28, 1996 Hurd
D377894 February 11, 1997 Sung
4932580 June 12, 1990 Pfister et al.
5050467 September 24, 1991 Brown et al.
5082066 January 21, 1992 Schoeps
5611404 March 18, 1997 Biek et al.
Other references
  • Ingersoll-Rand, 1992. Chicago Pneumatic Automotive Air Tools, 1990. Florida Pneumatic. Dynabrade Automotive Finishing Systems, 1992. Buffalo Tools and Accessories, 1992. Astro Power, Astro Pneumatic Tool Company. Viking Air Tools. Mac Tools. Rodac Industrial Air Tools. Zone King Industrial Co., Ltd. RF Air Tools. Automotive Power Tools, Ingersoll-Rand Catalog. Chicago Pneumatic Automotive Air Tools, pp. 5 and 7. Matco Tool and Equipment, 1992-93, pp. 162-164. Air Tools, 1992, p. 2. Raider Air Tools, Florida Pneumatic. Sioux Tools, Inc. Snap-On Worldwide. Sunex Automotive Tools & Equipment, 1990-91.
Patent History
Patent number: D410181
Type: Grant
Filed: Apr 30, 1996
Date of Patent: May 25, 1999
Assignee: K.K.U. Limited (Tokyo)
Inventor: Eric Sung (Ta -Li)
Primary Examiner: Antoine Duval Davis
Law Firm: Greer, Burns & Crain, Ltd.
Application Number: 0/53,777
Classifications
Current U.S. Class: D 8/68
International Classification: 0801;