Pipe joints or couplings – Essential catch – With manipulator
Patent
1986-05-21
1988-02-09
Chambers, A. Michael
Pipe joints or couplings
Essential catch
With manipulator
285277, 13761405, F16L 3728
Patent
active
047237970
ABSTRACT:
A coupler of the type provided with a male fitting (11) which can be locked in a female fitting (7') by means of locking balls (9) housed in an annular row of holes (8) located in the female fitting (7').
That part of the mobile tubular element (7) including between the annular row of holes (8) in which the locking balls (9) are housed and the nearest external shoulder (23) of the tubular element (7), which serves to support a return spring (16) is surrounded by a cylindrical bushing (24) whose inside end is provided with a flange (25) which is normally biased against the external shoulder (23) of the mobile tubular element (7), whose other end, which is normally biased against the internal tapered face (6a) of the internal rib (6) in the body (2), is internally beveled so as to provide a divergent face (26), whereby the length of the cylindrical skirt of this bushing (24) slightly exceeds the distance between the aforesaid shoulder (23) and the annular row of holes (8) housing the balls (9).
REFERENCES:
patent: Re27364 (1972-05-01), German
patent: 3076671 (1963-02-01), Freeman
patent: 4453449 (1984-06-01), Hollmann
Balazs Joseph B.
Chambers A. Michael
Parker Hannifin Corp.
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