Trail line moves

Details Trail line moves Trail line moves

1975-04-07

1976-07-27

Callaghan, Thomas F.

Pipe joints or couplings

Irrigation type

285150, 285190, F16L 5500

Patent

active

039715736

ABSTRACT:
Trail line irrigation moves have split swivel couplers of which each has two identical halves rotatable on split bearing rings on an axle having seals thereon and coupled to pipe lengths by press-on or clamp-on connector portion. The axle has holes connecting the pipe lengths to the interior of the swivel halves, and the bottom half has a check valve drain and the top half has a cross connector with a sprinkler mounted on the top, a quick connect coupler cross-arms, a plug in one cross-arm and a trail line coupled to one cross-arm. The trail line is connected by a quick connection coupler to a reversible skid shoe having a sprinkler riser and a drain plug.

REFERENCES:
patent: 2066960 (1937-01-01), Cook et al.
patent: 2312658 (1943-03-01), Luff
patent: 2355407 (1944-08-01), Wyss
patent: 2562967 (1951-08-01), Teglund
patent: 2929566 (1960-03-01), Paasche
patent: 3567259 (1968-10-01), Benson et al.

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