Impact wrench

- K.K.U Limited
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Description

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

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D233131 October 1974 Slany
D357849 May 2, 1995 Izumisawa
D358314 May 16, 1995 Izumisawa
D364544 November 28, 1995 Izumisawa
3363699 January 1968 Maffey, Jr.
5379851 January 10, 1995 Huang
Other references
  • Rodac Industrial Air Tools date unknown. Zone King Industrial Co., Ltd. date unknown. RF Air Tools date unknown. Automotive Power Tools, Ingersoll-Rand Catalog date unknown. Chicago Pneumatic Automotive Air Tools, pp. 5 and 7. Matco Tool and Equipment, 1992-93, pp. 162-164. Air Tools, 1992, p. 2. Ingersoll-Rand, 1992. Chicago Pneumatic Automotive Air Tools, 1990. Florida Pneumatic date unknown. Dynabrade Automotive Finishing Systems, 1992. Buffalo Tools and Accessories, 1992. Astro Power, Astro Pneumatic Tool Company date unknown. Viking Air Tools date unknown. Mac Tools date unknown. Raider Air Tools, Florida Pneumatic date unknown. Sioux Tools, Inc. date unknown. Snap-On Worldwide date unknown. Sunex Automotive Tools & Equipment, 1990-91.
Patent History
Patent number: D384562
Type: Grant
Filed: Mar 27, 1996
Date of Patent: Oct 7, 1997
Assignee: K.K.U Limited (Tokyo)
Inventor: Eric Sung (Ta-Li Taichung County)
Primary Examiner: Antoine Duval Davis
Law Firm: Greer, Burns & Crain, Ltd.
Application Number: 0/52,262
Classifications
Current U.S. Class: D 8/68
International Classification: 0805;