Valves and valve actuation – Detachable actuator – Rotary valve
Patent
1987-07-06
1988-07-12
Rosenthal, Arnold
Valves and valve actuation
Detachable actuator
Rotary valve
251293, 251288, F16K 3146
Patent
active
047565071
ABSTRACT:
A fluid control valve stem extension and locking device includes a rod member to extend the valve stem with a lower end bored and threaded to threadably engage the exposed end of the valve stem with set screws extending horizontally into the bore opening to bear on the sides of the valve stem, the upper of the extension rod shaped to duplicate the shape of the exposed end of the valve stem and a detached plate having a hole shape to interfit over the exposed end of the valve stem coupled to move with turning of the valve stem and including a stop device duplicating the function of the stopping device used in the valve with a locking mechanism including a cylindrical tube sized to interfit over the stem extension device with an attachment plate structurally attached to the lower end of the tube with a horizontal radial plate structurally attached to the outside surface of the upper end of the tube with two holes corresponding to the valve positions and a locking plate with an opening to interfit over the shape at the upper end of the rod to couple with and move in conjunction with the turning of the valve stem and having a hole to align with either of the two holes in the radial plate and receive a pad lock.
REFERENCES:
patent: 400944 (1889-04-01), Powell
patent: 905172 (1908-12-01), Godson
patent: 1111865 (1914-09-01), Serrell
patent: 1181565 (1916-05-01), Block
patent: 1355544 (1920-10-01), Drane et al.
patent: 1360340 (1920-11-01), Wetzler
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patent: 1754310 (1930-04-01), Ellenberger
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patent: 2198455 (1940-04-01), Mueller et al.
patent: 2431527 (1947-11-01), Walters
patent: 3582116 (1971-06-01), Young
Watt Ball Valve Options and Accessories, Watts Regulator Company.
Jamesbury Specifications Bulletin B160-3, Jamesbury Corp., 1985.
Lennox Thomas A.
Rosenthal Arnold
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