Manually actuated diaphragm valve with lockout feature for open and closed positions

- Swagelok Marketing Co.
Description

FIG. 1 is a perspective view of the valve with a toggle handle taken generally from the upper left side with the handle being shown in an upright position, the lock shown in broken lines forming no portion of the subject invention;

FIG. 2 is a perspective view substantially similar to FIG. 1 except taken from the upper right side and showing the handle in a lowered position, the lock shown in broken lines forming no part of the subject invention;

FIG. 3 is a front elevational view thereof with the lock removed and the handle in a lowered position;

FIG. 4 is a right side elevational view thereof with the lock removed and the handle in a lowered position;

FIG. 5 is a left side elevational view thereof with the lock removed and the handle in a lowered position;

FIG. 6 is a rear elevational view thereof with the lock removed and the handle in a lowered position;

FIG. 7 is a top plan view thereof with the lock removed and the handle in a lowered position; and,

FIG. 8 is a bottom plan view thereof with the lock removed and the handle in a lowered position.

Referenced Cited
U.S. Patent Documents
2648517 August 1953 Berland et al.
3504694 April 1970 Noland
5092359 March 3, 1992 Wirth et al.
Other references
  • Attached Exhibit A consisting of 5 views of a design for a toggle valve 1995. Attached Exhibit B consisting of a facsimile cover sheet 1995. Attached Exhibit C consisting of 3 pages of drawings of a design for a toggle valve 1995.
Patent History
Patent number: D407799
Type: Grant
Filed: Apr 2, 1997
Date of Patent: Apr 6, 1999
Assignee: Swagelok Marketing Co. (Cleveland, OH)
Inventors: Dale J. Kitchen (Euclid, OH), Thomas E. DiBiase (Mentor, OH)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Robin V. Taylor
Law Firm: Calfee, Halter & Griswold LLP
Application Number: 0/69,470
Classifications