Pipe joints or couplings – Essential catch – Leaf spring
Patent
1997-08-14
1998-09-08
Shackelford, Heather
Pipe joints or couplings
Essential catch
Leaf spring
285921, 285424, F16L 3712, F16L 3900
Patent
active
058035125
ABSTRACT:
A quick connect member for coupling a tube 34 to a socket member 12 is characterized by arms extending axially from a support portion 44 through a flared length 54 slanting radially outwardly and axially rearwardly immediately from the radial plane at the forward extremity to an abutment 48 with a tip 50 at the radially outward extremity and a trough 52 at the radially inward extremity. Thereafter, each of the arms includes a lever length 56 extending from the trough 52 radially upwardly and outwardly and finger 58 extending axially from the lever length 56. In one instance, the lever length 56 of each of the arms is disposed in the space provided by a conical relief 20 in the entry end of the socket member 12 whereas the flared length 54 is disposed in the space provided by a conical surface 28. There is a first radius between the support portion 44 and the flared length 54 and a second radius defining the tip 50 and the first radius is larger than the second radius. In another instance, the support portion 44 is spaced axially from the forward extremity 64 by the connector lengths 62.
REFERENCES:
patent: 3711125 (1973-01-01), Dehar
patent: 3826523 (1974-07-01), Eschbaugh
patent: 4036515 (1977-07-01), Karcher et al.
patent: 4681351 (1987-07-01), Bartholomew
patent: 4778203 (1988-10-01), Bartholomew
patent: 5718463 (1998-02-01), Hollnagel
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