Tube securing mechanism

Details Tube securing mechanism Tube securing mechanism

1981-11-30

1985-04-16

Arola, Dave W.

Pipe joints or couplings

Nonmetal to metal

Internal member

285239, 285369, 285383, 285420, 285423, 285DIG16, 285DIG22, 24270, F16L 3312

Patent

active

045111642

ABSTRACT:
A tube securing mechanism for retaining a resilient tube on a rigid tube connector, for use in a patient breathing circuit of a respirator. In one embodiment of the invention, the tube securing mechanism is a clamp (22) having a circular band (30) with a peripheral break in it, and two integral arcuate portions (32 and 34) hinged to the band and to each other, to form a toggle mechanism by means of which the clamp is opened and closed. A pair of integral teeth (50) on the band and another pair (52) on one of the arcuate portions of the clamp, engage each other to protect the hinges of the clamp from unnecessary stress. In another embodiment of the invention, a tube (10) has two internal annular features (64 and 66) that are complementary to corresponding annular features (60 and 62) on a connector (12'), to hold the tube more securely on the connector.

REFERENCES:
patent: 2366067 (1944-12-01), Smith
patent: 2504881 (1950-04-01), Russell
patent: 2550034 (1951-04-01), Allen
patent: 3217400 (1965-11-01), Illesy et al.
patent: 3552778 (1971-01-01), Muller
patent: 4128918 (1978-12-01), Wenk
patent: 4381585 (1983-05-01), Morel

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