Automatically adjustable tube coupling for tubes of varying diam

Details Automatically adjustable tube coupling for tubes of varying diam Automatically adjustable tube coupling for tubes of varying diam

1988-12-05

1990-04-03

Smith, Gary L.

Pipe joints or couplings

Nonmetal to metal

Internal member

285420, F16L 3312

Patent

active

049134701

ABSTRACT:
The present invention relates to a tube coupling consisting of a collar formed by at least two shell portions connected at their peripheral end by means of a crossing joint bolt, and comprising further a bolt lever articulated at the free peripheral end of one of the shell portions and connected to the other shell portion by means of a locking spring. The characteristic feature of the invention is the fact that the joint bolt connecting the shell portions is guided in an oblong hole provided in one of said shell portions, the longitudinal axis of which extends in an acute angle .alpha. with respect to the joint line of the tube coupling towards the bolt lever in closed position, and that at the free peripheral end of the shell portions are formed stop faces which in case of smaller tube wall thicknesses get into contact before the closing position of the bolt lever is reached.

REFERENCES:
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patent: 597740 (1898-01-01), Pusey
patent: 1309941 (1919-07-01), Herbst et al.
patent: 1680956 (1928-08-01), Simonsen
patent: 1862817 (1932-06-01), Eifel
patent: 2018906 (1935-10-01), Winter
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patent: 3866956 (1975-02-01), Weinhold
patent: 4074913 (1978-02-01), Weinhold
patent: 4272871 (1981-06-01), Weinhold
patent: 4659120 (1987-04-01), Weinhold

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