Coupling for pressure gas lines

Valves and valve actuation – With correlated flow path – Valve operated by joining flow path sections

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Details

2511491, 285314, 285317, F16L 3728

Patent

active

045763593

ABSTRACT:
A coupling for lines carrying gas under pressure in which a tubularly shaped male member is adapted to be inserted into a bore of a sleeve-like female member containing a valve assembly automatically opened upon insertion of the tubularly shaped male member. The tubularly shaped male member which is provided with an annular groove is held in its inserted position by a locking mechanism in the sleeve-like female member which consists of a latching member, a ring-like member surrounding the sleeve-like female member and a spring between the latching member and the ring-like member. For purposes of releasing the locking action of the latching member which is operable to engage in the annular groove by movement in a milled-in recess, the ring-like member is provided with an inwardly projecting actuating element. To permit a reduction in the dimensions of the ring-like member, the latching member includes a short leg portion bent with respect to the main portion of the latching member at such angle as to point toward the actuating member.

REFERENCES:
patent: 464386 (1891-12-01), Patterson
patent: 592899 (1897-11-01), Wilson
patent: 2449920 (1948-09-01), Williams
patent: 2478052 (1949-08-01), Palm
patent: 2771308 (1956-11-01), Vitcha et al.
patent: 4025049 (1977-05-01), Schmidt
patent: 4357037 (1982-11-01), Oetiker
patent: 4413846 (1983-11-01), Oetiker

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