Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool
Patent
1976-10-19
1978-11-21
Schroeder, Werner H.
Pipe joints or couplings
With assembly means or feature
Particular tool-engaging means or with tool
285 45, 285 81, 285321, F16L 3700
Patent
active
041263359
ABSTRACT:
In a hose and pipe coupling having a coupling head and a nozzle which is insertable therein and which is lockable therewith by a locking element inserted in the coupling head, wherein the locking element consists of a spring-elastic ring having a slit and onto which are formed two oppositely directed arcuate spring arms embracing the coupling head and starting from the slit, and the coupling head having a slit-shaped circumferential opening for receiving a plug as well as an internal annular groove for the partial reception of the spring-elastic ring, the nozzle at the coupling side being provided with an annular groove for at least partially receiving the spring-elastic ring in the connected condition of the nozzle, wherein the improvement consists of a protective cap displaceably arranged on the coupling head so that after the nozzle and coupling head are connected together, the cap is slid over the elastic ring. The elastic ring includes gripping knobs formed on the outer ends of its spring arms. The protective cap has radial slits which are open at the rim, and the gripping knobs engage the radial slits so that the protective cap at its end face facing the nozzle includes an inwardly drawn collar engaging behind the coupling head.
REFERENCES:
patent: 2070982 (1937-02-01), Candee
patent: 2110397 (1938-03-01), Kangas
patent: 2413730 (1947-01-01), Samiran
patent: 3151891 (1964-10-01), Sanders
patent: 3281757 (1966-10-01), Bonhomme
patent: 3290068 (1966-12-01), Jackson
patent: 3314696 (1967-04-01), Ferguson et al.
patent: 3513875 (1970-05-01), Nelson
patent: 3560026 (1971-02-01), Roe
patent: 3948548 (1976-04-01), Voss
Armaturenfabrik Hermann Voss
Cohen Moshe I.
Collard Allison C.
Galgano Thomas M.
Schroeder Werner H.
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