Valves and valve actuation – Tube compressors – Pivoting tube contacting element
Patent
1981-03-12
1982-08-31
Spiegel, H. Jay
Valves and valve actuation
Tube compressors
Pivoting tube contacting element
128346, F16K 704
Patent
active
043468691
ABSTRACT:
A pair of elongated jaw members are provided and interconnected at one pair of corresponding ends in generally parallel relation through the utilization of an open loop member having opposite ends formed integrally with the adjacent jaw member ends. The jaw members and the loop member are constructed of stiff but resilient plastic and one of the jaw members includes an integral arm projecting laterally outwardly therefrom across the adjacent end of the other jaw member. The arm includes longitudinally spaced ratchet teeth thereon with which the adjacent end of the other jaw member is selectively engageable and the included angle formed between the one jaw member and the arm is slightly less than 90.degree., the connection between the arm and the one jaw member end from which it is supported being sufficiently deformable to allow angular displacement of the arm to a position with the included angle formed between the arm and the one jaw member exceeding 90.degree.. One of the jaw members is formed with a partial cylindrical groove extending longitudinally of the side thereof opposing the other jaw member and the other jaw member is provided with a partial cylindrical longitudinal rib of slightly less radius of curvature receivable in the aforementioned groove to clamp a resilient tube section tightly closed between the jaw members.
REFERENCES:
patent: 820216 (1906-05-01), Leffingwell et al.
patent: 3766925 (1973-10-01), Rubricus
patent: 3824654 (1974-07-01), Takabayashi
patent: 3874042 (1975-04-01), Eddleman et al.
patent: 4038726 (1977-08-01), Takabayashi
patent: 4227730 (1980-10-01), Alexander et al.
Jacobson Harvey B.
Spiegel H. Jay
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