Valves and valve actuation – With correlated flow path – Valve operated by joining flow path sections
Patent
1993-01-11
1994-04-26
Walton, George L.
Valves and valve actuation
With correlated flow path
Valve operated by joining flow path sections
285316, 285317, F16L 3728
Patent
active
053059840
ABSTRACT:
A quick release coupling comprises a female member, a spring biased locking collar slidingly mounted over the female member, and a male member insertable into a central bore in the receiving element of the female member. The male member has an annular groove formed at a predetermined position around the insertion end thereof. The receiving element of the female member has four axially aligned, resilient cantilevers formed in the peripheral wall thereof surrounding the central bore. Each cantilever has an enlarged lug on the terminal end thereof which projects radially inwards from the inner periphery of the bore. The male member can be inserted into the female member by first pulling the collar to a rear position. During the insertion of the male member into the bore, a beveled rim on the insertion end engages the lugs to effect the outward flexure of the cantilevers. The cantilevers subsequently recover to intromit the lugs into the annular groove of the male member. Protruding stops on the inner periphery of the collar, when the latter is released to a forward position, abut the backs of the lugs to prevent disengagement from the annular recess so as to secure the male and female members together.
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