Vandalproof cap for flush valve check valve

Details Vandalproof cap for flush valve check valve Vandalproof cap for flush valve check valve

1995-01-17

1996-03-12

Chambers, A. Michael

Fluid handling

With casing, support, protector or static constructional...

Guards and shields

137327, 1373825, F16K 2708

Patent

active

054978025

ABSTRACT:
A control stop for use in a plumbing supply line includes a body having an inlet and an outlet. There is a valve seat in the body and a valve member movable toward and away from the valve seat to control flow from the inlet to the outlet. There is an opening in the body providing exterior access to the valve member for adjustment thereof. A vandalproof cap assembly closes the opening. The cap assembly includes a sleeve threadedly attached to the body about the access opening. A cap is mounted on the sleeve for free rotation relative thereto. The sleeve and cap have tool receiving openings therein which, when in alignment, and with a tool inserted therein, will provide for concurrent movement of the sleeve and cap for removal thereof from the body access opening.

REFERENCES:
patent: 1589894 (1926-06-01), Mueller et al.
patent: 3709249 (1973-01-01), Diaz
patent: 4182361 (1980-01-01), Oakey
patent: 4332331 (1982-06-01), Fawley
patent: 4566481 (1986-01-01), Leopold, Jr. et al.
patent: 4880134 (1989-11-01), Wood, Jr.
patent: 4936336 (1990-06-01), McCauley et al.
patent: 5072750 (1991-12-01), Poms et al.

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