Receptacles – Container attachment or adjunct – Pressure relief means
Patent
1977-09-29
1979-07-31
Pollard, Steven M.
Receptacles
Container attachment or adjunct
Pressure relief means
220 18, 220306, 220337, 137382, B65D 2500, B65D 2524, B65D 5104
Patent
active
041627407
ABSTRACT:
A valve cover for an upstanding pipe leading to a buried valve. The valve cover has a clamping portion and a lid portion. The clamping portion includes a C-shaped member with back portions that abut each other when the C-shaped member is secured about the pipe. Each back portion has first and second sections which meet at a substantially right angle and the two, abutting back portions form a substantially U shape. The lid portion is pivotably mounted to the clamping portion and has a first, circular section and a tail section extending at an angle therefrom. The tail section is received within the U shape formed by the back portions and has two, axially aligned arm members extending outwardly therefrom. The arm membes are received in a pair of axially aligned holes in the back portions to form a hinge. A resilient latching arrangement allows the lid portion to be quickly and easily opened and closed. In its closed position, the lid portion is biased in a direction toward its open position so that when the latching arrangement is released, the lid portion pops up. The valve cover of the present invention is designed so that its height on the pipe can be easily and quickly adjusted and the simplicity of the design not only permits low cost manufacture but also greatly facilitates the assembly of the valve cover.
REFERENCES:
patent: 311871 (1885-02-01), Clark
patent: 785380 (1905-03-01), Ripson
patent: 826464 (1906-07-01), Anthony
patent: 1080859 (1913-12-01), Stamm
patent: 1239223 (1917-09-01), Ross
patent: 2324738 (1943-07-01), Stieglitz
patent: 2690274 (1954-09-01), Thurston
patent: 3541727 (1970-11-01), Carlson
patent: 3605718 (1971-09-01), Winters
patent: 3847297 (1974-11-01), Baader et al.
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