Quick disconnect duct coupler

Details Quick disconnect duct coupler Quick disconnect duct coupler

1987-09-24

1989-06-13

Callaghan, Thomas F.

Pipe joints or couplings

Sleeve

Dependent

285915, F16L 2106

Patent

active

048385840

ABSTRACT:
A coupling device utilizing first and second contiguous L-shaped coupling members affixed to terminal duct portions, and a slidable clamp having a T-shaped trough for gripping the L-shaped coupling members when slid thereover, locking them together to the close the duct. The clamp is slid away from the coupling members to rapidly open the duct.

REFERENCES:
patent: 2073338 (1937-03-01), Durkee
patent: 2317729 (1943-04-01), Bruno
patent: 2403839 (1946-07-01), Adolph
patent: 3486772 (1969-12-01), Elsner
patent: 3625549 (1971-12-01), De Vries
patent: 3796449 (1974-03-01), McLaughlin et al.
patent: 4074914 (1978-02-01), Novotny
patent: 4185472 (1980-01-01), Yates et al.
patent: 4328981 (1982-05-01), Greene, Jr. et al.
patent: 4558892 (1985-12-01), Daw et al.
patent: 4614369 (1986-09-01), Orerath et al.

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