Fluid handling – With casing – support – protector or static constructional... – Static constructional installations
Patent
1974-01-02
1976-07-20
Cohan, Alan
Fluid handling
With casing, support, protector or static constructional...
Static constructional installations
137359, 251150, 285 64, 285302, F16L 318
Patent
active
039701034
ABSTRACT:
Apparatus for connecting a ceiling terminating gas line to an item of equipment at floor level, which includes, a tubular outer member having a gas inlet end for connection to the ceiling outlet and a gas outlet end, a tubular piston rod, of substantially the same length as the outer tube, telescopically mounted in the outer tube with one end extending from the outlet end of the outer tube and having an internal diameter substantially smaller than the internal diameter in the outer tube, an annular piston mounted on the opposite end of the piston rod in the annular space between the piston rod and the outer tube which presents an annular piston surface to the opening of the gas inlet end of the outer tube and a spring mounted in the annular space between the piston rod and the outer tube having a biasing force greater than the force exerted on the piston by the gas entering the inlet end of the outer tube so that the piston is normally urged toward the inlet end of the outer tube when the apparatus is connected to the gas source. A unitary structure is provided to accommodate a plurality of different sources of gas in which a plurality of coupling elements equal in number to the number of gas lines to be served are mounted in a ceiling mountable frame structure and an equal number of the retractable piston tubes are suspended from the ceiling couplings. A section of flexible hose can also be connected between the ceiling couplings and the retractable piston tubes.
REFERENCES:
patent: 264965 (1882-09-01), Shook
patent: 338599 (1886-03-01), Hughes
patent: 2008574 (1935-07-01), Bock
patent: 2783715 (1957-03-01), Kraus
patent: 3213877 (1965-10-01), May et al.
patent: 3431937 (1969-03-01), Hettlinger et al.
patent: 3538950 (1970-11-01), Porteners
Cohan Alan
Michalsky Gerald A.
Oxequip Health Industries Inc.
Philpitt Fred
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