Valve actuator

Description

FIG. 1 is a side elevational view of the valve actuator showing our new design, the opposite side being the same as the side shown;

FIG. 2 is another side elevational view thereof with the membrane omitted;

FIG. 3 is a side elevational view of the membrane, the other sides being the same as the side shown;

FIG. 4 is a perspective view taken from the bottom and side of FIG. 1;

FIG. 5 is a perspective view taken from the bottom and side of FIG. 2;

FIG. 6 is a perspective view taken from the top and side of FIG. 1;

FIG. 7 is a perspective view taken from the bottom and side of FIG. 3; and

FIG. 8 is a perspective view taken from the top and side of FIG. 3.

Claims

The ornamental design for a valve actuator, as shown and described.

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Inventors:	Aarthun; Nils I. (Partille, SE), Lofgren; Peter (Hov.ang.s, SE)
Appl. No.:	07/447,707
Filed:	December 8, 1989

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Related U.S. Patent Documents

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	Application Number	Filing Date	Patent Number	Issue Date
	921280	Oct 21, 1986

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Current U.S. Class:	D23/233
Field of Search:	;D23/233-237,244-249 ;137/556 ;251/63.5,331

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References Cited [Referenced By]

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U.S. Patent Documents

D96405	July 1935	Murphy
D152809	February 1949	MacCauley
D168641	January 1953	St. Clair et al.
D186489	October 1959	Frye
D236266	August 1975	Holben
3246872	April 1966	Seltsam
3422850	January 1969	Caldwell
3426798	February 1969	Chernak
3802462	April 1974	Troseh
3838707	October 1974	Wachowitz, Jr.
4014514	March 1977	Priese et al.
4316482	February 1982	Pearep
4421295	December 1983	Parkison

Primary Examiner: Largen; James R.
Attorney, Agent or Firm: Wegner, Cantor, Mueller & Player