Valve lock
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FIG. 1 is an elevational perspective view of a valve lock made in accordance with the present invention;
FIG. 2 is a front elevational view showing the valve lock of FIG. 1;
FIG. 3 is a rear elevational view showing the valve lock of FIG. 1;
FIG. 4 is a side elevational view showing the valve lock of FIG. 1;
FIG. 5 is a side elevational viewe showing the opposite side of the valve lock of FIG. 1;
FIG. 6 is a bottom plan view showing the valve lock of FIG. 1;
FIG. 7 is an elevational perspective view showing the valve lock of FIG. 1 mounted upon a valve shown in phantom lines;
FIG. 8 is an elevational end view showing the valve lock of FIG. 1 mounted upon a valve shown in phantom lines;
FIG. 9 is an elevational end view showing the valve lock of FIG. 1 mounted upon a valve and rotatably aligned with a valve handle shown in phantom lines;
FIG. 10 is an elevational perspective view of another embodiment of the valve lock made in accordance with the present invention having an angled leg member;
FIG. 11 is a front elevational view showing the valve lock of FIG. 10;
FIG. 12 is a rear elevational view showing the valve lock of FIG. 10;
FIG. 13 is a side elevational view showing the valve lock of FIG. 10;
FIG. 14 is a side elevational view showing the opposite side of the valve lock of FIG. 10;
FIG. 15 is a top plan view showing the valve lock of FIG. 10;
FIG. 16 is a bottom plan view showing the valve lock of FIG. 10; and,
FIG. 17 is an elevational perspective view showing the valve lock of FIG. 10 mounted upon a valve shown in phantom lines.
The broken lines shown are for illustrative purposes only and form no part of the claimed design.
1099280 | June 1914 | Connolly |
2693815 | August 1949 | Gould |
3006181 | May 1958 | Sarti |
3532111 | October 1970 | Hansen |
4681134 | July 21, 1987 | Paris, Sr. |
4971289 | November 20, 1990 | Pistras |
- Burley and Guirguis, Nasa Tech Briefs, Dec., 1991, p. 63. Brady Ball Valve Lockout "I," #65666, not dated. Brady Ball Valve Lockout "II," #65666, not dated. B-Safe Ball Valve Lockout #HB501, HB502, not dated.
Type: Grant
Filed: Aug 24, 1992
Date of Patent: May 16, 1995
Assignee: Nibco, Inc. (Elkart, IN)
Inventor: Douglas A. Kieper (Finchville, KY)
Primary Examiner: A. Hugo Word
Assistant Examiner: Eric Watterson
Law Firm: Middleton & Reutlinger
Application Number: 7/934,799