Hand-wheel for a valve


FIG. 1 is a top plan view of a hand-wheel for a valve showing our new design;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a front perspective view thereof; and

FIG. 4 is a top rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
D154475 July 1949 Homer
D194298 December 1962 Natho
D241937 October 1976 Wallace et al.
D241938 October 1976 Wallace et al.
1374186 April 1921 Carlson
Other references
  • Oilfield Division Equipment Services, Voest-Alpine Finalindustrie Voest-Alpine Gate Valves.
Patent History
Patent number: D306898
Type: Grant
Filed: May 23, 1986
Date of Patent: Mar 27, 1990
Assignee: Voest-Alpine Aktiengesellschaft (Linz)
Inventors: Gunter Funk (Traun), Werner Lego (Hofkirchen), Werner Seir (Linz), Rupert Igmann (Lichtenberg)
Primary Examiner: James R. Largen
Attorney: Herbert Dubno
Application Number: 7/867,301
Current U.S. Class: Offset From Axis (D23/252)