Square drive wrench

- S.P. Air Kabasiki Kaisha

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Description

FIG. 1 is a right side elevation of a first embodiment of a square drive wrench of the present invention;

FIG. 2 is a left side elevation of the first embodiment of the wrench;

FIG. 3 is a front elevation of the first embodiment of the wrench;

FIG. 4 is a rear elevation of the first embodiment of the wrench;

FIG. 5 is a top plan view of the first embodiment of the wrench;

FIG. 6 is a bottom plan view of the first embodiment of the wrench;

FIG. 7 is a right side elevation of a second embodiment of the square drive wrench of the present invention;

FIG. 8 is a left side elevation of the second embodiment of the wrench;

FIG. 9 is a front elevation of the second embodiment of the wrench;

FIG. 10 is a rear elevation of the second embodiment of the wrench;

FIG. 11 is a top plan of the second embodiment of the wrench; and,

FIG. 12 is a bottom plan of the second embodiment of the wrench.

Referenced Cited
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Other references
  • Vision Air Tool publication entitled, "Vision Air Tool VA-G120," published at least as early as Dec. 23, 1999 at <http://www.visionairtool.com/servlet/Cat.sub.-- ShowDetails.class?105>. Ingersoll-Rand Co. publication entitled "Ingersoll-Rand Automotive Tools," published at least as early as 1997, pp. 1-3, 16-17. Ingersoll-Rand Co. publication entitled "Ingersoll-Rand Automotive Power Tools," published at least as early as 1996, pp. 6-7, 26-27. Shinano Pneumatic Industries Inc. publication entitled, "SP Air," published at least as early as Nov. 12, 1999, pp. 2-5, 16-19.
Patent History
Patent number: D435204
Type: Grant
Filed: Nov 12, 1999
Date of Patent: Dec 19, 2000
Assignee: S.P. Air Kabasiki Kaisha (Nagano Pref.)
Inventor: Osamu Izumisawa (Tokyo)
Primary Examiner: Martie K. Holtje
Law Firm: Senniger, Powers, Leavitt & Roedel
Application Number: 0/113,920
Classifications
Current U.S. Class: D 8/61
International Classification: 0805;