Fluid handling – With lock or seal
Patent
1998-03-30
2000-03-28
Chambers, A. Michael
Fluid handling
With lock or seal
137556, F16K 3500
Patent
active
060418133
ABSTRACT:
A manually actuated valve comprising a valve casing having an inlet and an outlet, and an actuator having an open position wherein the inlet and outlet are connected and a closed position wherein the inlet and the outlet are isolated. The valve has a handle movable between a first position and a second position, the handle controlling operation of the actuator. The valve further includes a member on the valve casing for receiving a locking member that maintains the handle in at least one of the first position and second position.
REFERENCES:
patent: D160365 (1950-10-01), Brumbaugh
patent: 1683649 (1928-09-01), Belote
patent: 1984510 (1934-12-01), Allen et al.
patent: 2025431 (1935-12-01), Barnes
patent: 2592816 (1952-04-01), Mapes
patent: 2661765 (1953-12-01), Troy
patent: 3504694 (1970-04-01), Noland
patent: 4208033 (1980-06-01), Kesterman
patent: 5131627 (1992-07-01), Kolenc
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.
Dougherty Andrew M.
Koch Ulrich H.
Sprafka Brian K.
Chambers A. Michael
Swagelok Marketing Co.
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