Floatable drain plug

Details Floatable drain plug Floatable drain plug

1988-12-08

1990-06-05

Marcus, Stephen

Receptacles

Closures

Externally adjustable plug or gasket

220238, 215359, 215360, 114197, 264 6, B65D 5300

Patent

active

049306570

ABSTRACT:
A drain plug, which has a hollow cylindrical body, an expander assembly within the body and a manually manipulatable handle, is fabricated of a material such that the drain plug floats. The handle is connected to the expander assembly and when the handle is moved in a cam or rotational movement, the expander assembly is moved axially within the body. This axial movement expands the body of the drain plug such that the drain plug closes the drain opening and contracts the body of the drain plug for ease of removal from the drain opening. The expander assembly seals the end of the body and is secured within the body so it does not move when the handle is rotated.

REFERENCES:
patent: 1455978 (1923-05-01), Wentz
patent: 2321515 (1943-06-01), Rice
patent: 2479862 (1949-08-01), Payne
patent: 2672999 (1954-03-01), Protasoff
patent: 2729353 (1956-01-01), Moeller
patent: 2822108 (1958-02-01), Moeller
patent: 2978138 (1961-04-01), Moeller
patent: 3295712 (1967-01-01), Peterson
patent: 3430777 (1969-03-01), Esposito, Jr.
patent: 3674055 (1972-07-01), Ray
patent: 3812810 (1974-05-01), Moeller
patent: 3859945 (1975-01-01), Moeller
patent: 4759462 (1988-07-01), Neglio

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