Regulator key

Details Regulator key Regulator key

1989-02-14

1989-10-03

Rivell, John

Valves and valve actuation

Detachable actuator

285 39, 285198, F16K 3160

Patent

active

048711446

ABSTRACT:
A key for operating a regulator-flow meter assembly used with medical gas cylinders. The regulator-flow meter assembly includes a main valve having a flat stem and a rotatable yoke. The key comprises an elongated metal block having a first elongated opening adapted to fit over the main valve stem. The elongated opening is disposed at an angle to the axis of the block and is located adjacent to one end of the block. The block also includes a second opening of circular cross-section adapted to fit over the yoke and a third opening adapted to receive a key chain.

REFERENCES:
patent: 997362 (1911-07-01), Bamanshaw
patent: 1484108 (1924-02-01), Zoltowski
patent: 1687768 (1928-10-01), Heidbrink
patent: 1855586 (1932-04-01), Nordstrom
patent: 2169082 (1939-08-01), Stevens et al.
patent: 2350354 (1944-06-01), Herskovits
patent: 3606390 (1971-09-01), Taylor
patent: 3929152 (1975-12-01), Graham
Portable O.sub.2 Accessories--990002 Wrench--Puritan-Bennett Catalog--Lenexa, Kansas.

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