Box-type wrench for ovularly-shaped valve handles

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Description

FIG. 1 is a top view of the box-type wrench for ovularly-shaped valve handles according to this invention with a handle insert shown in broken lines for purposes of illustration.

FIG. 2 is a right side view thereof.

FIG. 3 is a left side view thereof.

FIG. 4 is a bottom view thereof.

FIG. 5 is a front view thereof.

FIG. 6 is a back view thereof.

FIG. 7 is a sectional view taken at 7--7 in FIG. 1 for illustration purposes only to show the hole relation shapes.

Referenced Cited
U.S. Patent Documents
3635106 January 1972 Homs
3779104 December 1973 Curry
Patent History
Patent number: D275443
Type: Grant
Filed: Aug 4, 1982
Date of Patent: Sep 11, 1984
Inventor: Alvin A. Snaper (Las Vegas, NV)
Primary Examiner: Alan P. Douglas
Attorneys: Donald D. Mon, David O'Reilly
Application Number: 6/405,160
Classifications
Current U.S. Class: D 8/21; D 8/29