Pipe joints or couplings – Irrigation type
Patent
1974-07-01
1976-11-30
Kundrat, Andrew V.
Pipe joints or couplings
Irrigation type
285 93, 285373, F16L 5500
Patent
active
039945146
ABSTRACT:
The adjacent extremities of two lengths of irrigation pipe are axially aligned in a spaced relationship within a longitudinally split, bolt closed coupler sleeve. The coupler sleeve has a diameter greater than that of the pipes and contains a one-piece sealing boot therein which sealably embraces the ends of the irrigation pipe. An open gimbal ring medially surrounds the coupler sleeve in a diametrically spaced relationship with respect thereto. Bracket members are mounted on the opposite sides of each pipe extremity in a longitudinally spaced relationship with respect to the coupler sleeve and a pair of arms extend from each bracket member to opposite pivotal connections with the gimbal ring, the axes of the pivotal connections of one pair being circumferentially spaced on said gimbal ring at 90.degree. from the pivotal connections of the other pair to enable the pipe lengths to freely, relatively and arcuately swing in any desired direction. A signal device is trained between the extremities of the pipe lengths to give a signal relative to the arc of swing between the extremities.
REFERENCES:
patent: 2494854 (1950-11-01), Anderson
patent: 2874979 (1959-02-01), Shohan
patent: 2889993 (1959-06-01), Willetts
patent: 3003793 (1961-10-01), Pitt
patent: 3057559 (1962-10-01), Ingram et al.
patent: 3394729 (1968-07-01), Bower et al.
patent: 3533557 (1970-10-01), Ingram et al.
patent: 3663044 (1972-05-01), Contreras et al.
patent: 3667782 (1972-06-01), Viazzi
patent: 3738687 (1973-06-01), Zimmerer et al.
Zimmerer Arthur L.
Zimmerer Bernard J.
Zimmerer Paul B.
Kundrat Andrew V.
Lindsay Manufacturing Company
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