Fluid handling – Systems – Articulated or swinging flow conduit
Patent
1975-10-20
1976-09-21
Cline, William R.
Fluid handling
Systems
Articulated or swinging flow conduit
285136, 92119, F16L 3900
Patent
active
039813290
ABSTRACT:
A pair of side-by-side hydraulic fluid supply and return hoses are connected to side-by-side end ports at the free end of a journal block which is located between two spaced apart bearing blocks. A pair of coaxial, oppositely projecting, tubular journals carried by the journal block, and rotationally received in coaxial blind socket portions of passageways formed in the bearing blocks, serve to mount the journal block and hoses connected thereto for pivotal movement relative to the bearing blocks. Passageways in the journal block communicate the side-by-side hose ports with the interiors of the tubular journals which in turn communicate with the passageways in the bearing blocks via the blind sockets. The bearing blocks are detachably mounted onto an upper rear frame portion of a hydraulic tool, such as a hydraulic breaker. The bearing block passageways have ports on corresponding mounting sides of the bearing blocks which communicate with inlet and outlet ports in the tool housing. O-rings surround the tubular journals and the ports on the mounting sides of the bearing blocks, to provide fluid seals at these locations. The hydraulic tool includes a pair of side plates which extend rearwardly from the tool a sufficient amount to form a protective nook in which the swivel coupling is protectively located.
REFERENCES:
patent: 2578542 (1951-12-01), Hanson et al.
patent: 2710598 (1955-06-01), Baas
patent: 2768842 (1956-10-01), McDermott
patent: 2781055 (1957-02-01), Jackson
patent: 2790426 (1957-04-01), Mueller
patent: 2823074 (1958-02-01), Bernard, Jr.
patent: 3399786 (1968-09-01), Honeycutt
patent: 3446305 (1969-05-01), Cannon
patent: 3678810 (1972-07-01), Holmes
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