Solenoid-operated pilot valve

- SMC Corporation
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Description

FIG. 1 is a top, front and left side perspective view of solenoid-operated pilot valve embodying our new design;

FIG. 2 is a bottom, rear and left side perspective view thereof;

FIG. 3 is a front elevational view thereof with an electric current wire shown partially broken away;

FIG. 4 is a rear elevational view thereof with the electric current wire shown partially broken away;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a right side view thereof;

FIG. 9 is a top, front and left side perspective view thereof shown with a transfer valve and a main valve;

FIG. 10 is a top, front and left side perspective view thereof shown with a transfer valve, a main valve and a first pair of ports; and,

FIG. 11 is a top, front and left side perspective view thereof shown with a transfer valve, a main valve and a second pair of ports.

The transfer valve, main valve, first pair of ports and second pair of ports shown in the figures are shown for illustrative purposes only and form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D388504 December 30, 1997 Hayashi et al.
D389560 January 20, 1998 Hayashi et al.
D390636 February 10, 1998 Hayashi et al.
D400456 November 3, 1998 Inoue
D409279 May 4, 1999 Hayashi et al.
D409723 May 11, 1999 Hayashi et al.
D410521 June 1, 1999 Hayashi et al.
D410522 June 1, 1999 Hayashi et al.
3264421 August 1966 McIntosh et al.
4123633 October 31, 1978 Stevens et al.
4249047 February 3, 1981 Huff et al.
5375585 December 27, 1994 Home
5525771 June 11, 1996 Lund
Other references
  • The design of the present application was displayed at IFPEX '97 Exhibition--Oct. 21-24, 1997.
Patent History
Patent number: D430268
Type: Grant
Filed: Oct 9, 1998
Date of Patent: Aug 29, 2000
Assignee: SMC Corporation (Tokyo)
Inventors: Kazuo Hiramatsu (Ibaraki), Takashi Akimoto (Ibaraki)
Primary Examiner: Philip S. Hyder
Law Firm: Oblon, Spivak, McClelland, Maier, & Neustadt, P.C.
Application Number: 0/94,750
Classifications
Current U.S. Class: Valve Or Body Therefor (D23/233)
International Classification: 2301;