Safety control knob for hot water valve

Details Safety control knob for hot water valve Safety control knob for hot water valve

1995-05-17

1996-05-07

Walton, George L.

Valves and valve actuation

With means for blocking or disabling actuator

Released by non-valving actuator motion

74 25, 74548, 74554, 192 95, 251229, F16K 3502

Patent

active

055138314

ABSTRACT:
The present invention entails a safety control knob for actuating a valve stem of a water valve such as typically found in a hot water line. The safety control knob includes a control knob rotatively journaled on a valve stem and movable thereon between an inoperative and an operative position. In the inoperative position the control knob is effective to simply free-wheel around the valve stem without actually turning the valve stem. In an operative position, the control knob assumes a position engaged with a collar or other member that is keyed to the valve stem. In the engaged position, the control knob is operative to turn and actuate the valve stem.

REFERENCES:
patent: 2194714 (1940-03-01), Mueller
patent: 2236109 (1941-03-01), Mueller
patent: 2501008 (1950-03-01), Schramm
patent: 2780333 (1957-02-01), Reiser et al.
patent: 2797592 (1957-07-01), Marrapese
patent: 2829538 (1958-04-01), Mueller
patent: 2899841 (1959-08-01), Melloy
patent: 3193243 (1965-07-01), Billington et al.
patent: 3210040 (1965-10-01), Thurlow
patent: 4549716 (1985-10-01), Warren
patent: 5037066 (1991-08-01), Kerger et al.

Affiliated with

Also associated with

Rating

Safety control knob for hot water valve does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Safety control knob for hot water valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Safety control knob for hot water valve will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1221978