Pipe joints or couplings – Essential catch – With manipulator
Patent
1996-08-27
1997-12-16
Arola, Dave W.
Pipe joints or couplings
Essential catch
With manipulator
285 93, 285175, 285320, 285423, F16L 3718
Patent
active
056976526
ABSTRACT:
A pipe joint assembly of the type including a joint body formed with a stepped bore the small diameter portion of which is formed to be coupled with a pipe inserted therein, a retainer sleeve member having a cylindrical portion coupled within the larger diameter portion of the stepped bore and a pair of diametrically opposed clamp arms integrally formed with the cylindrical portion and engaged at their external faces with corresponding radial openings of the joint body and at their internal faces with an annular projection of the pipe, and a detachment socket having an annular body portion located in surrounding relationship with the pipe, a plurality of arm portions extended in parallel from the annular body portion in an axial direction and coupled with the joint body and a plurality of leg portions extended in parallel from the annular body portion at each position circumferentially spaced from the arm portions to be located in a space between the clamp arms of the sleeve member. When the detachment socket is rotated for removing the pipe from the joint body, the leg portions of the socket are interposed between the clamp arms of the sleeve member end an outer periphery of the pipe to disengage the clamp arms from the annular projection of the pipe. After removal of the pipe, the detachment socket is automatically returned to the initial position and retained in place on the joint body.
REFERENCES:
patent: 373292 (1887-11-01), Jacobson et al.
patent: 1966718 (1934-07-01), Hanson
patent: 2084431 (1937-06-01), Catley
patent: 5425558 (1995-06-01), Dennany
Arola Dave W.
Maruyasu Kogkyo Kabushiki Kaisha
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