Condensate free valve handle

Details Condensate free valve handle Condensate free valve handle

2007-12-18

2010-11-09

Fristoe, Jr., John K (Department: 3753)

Valves and valve actuation

Limit stop

Rotary valve

C251S286000, C251S315010

Reexamination Certificate

active

07828268

ABSTRACT:
The present invention provides a valve actuator for a valve that includes a cylindrical body that is thermally nonconductive and configured to engage a valve stem. A cylindrical adjuster is positioned coaxially with the body. A shaft extends through the adjuster and the adjuster is axially movable between a first position and a second position such that when the adjuster is in the first position a first engaging means engages a second engaging means thereby fixing the position of the adjuster relative to the body. When the adjuster is in the second position the adjuster is radially movable relative to the body. A spring is aligned with the shaft and configured to bias the adjuster toward the first position such that the first engaging means engages the second engaging means thereby fixing the position of the adjuster relative to the body.

REFERENCES:
patent: 3964514 (1976-06-01), Manoogian et al.
patent: 4593430 (1986-06-01), Spangler et al.
patent: 5188335 (1993-02-01), Pettinaroli
patent: 5236006 (1993-08-01), Platusich et al.
patent: 5467967 (1995-11-01), Gillooly
patent: 6276662 (2001-08-01), Bugatti
Cimberio Valve Co., Cim A921-Nylon Isolation Handle, http://www.cinberiovalve.com/html—pages/accessories/a921.html, Oct. 15, 2007, Cimberio Valve Company, 100 Quaker Lane, Malvern, PA 19355, USA.

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