Baths – closets – sinks – and spittoons – Strainer – stopper – plug or closure – Combined strainer – plug – or valve
Patent
1975-09-24
1976-08-03
Artis, Henry K.
Baths, closets, sinks, and spittoons
Strainer, stopper, plug or closure
Combined strainer, plug, or valve
4292, 4295, 210163, A47K 114
Patent
active
039720780
ABSTRACT:
A device protects against inadvertent loss of objects down drain pipes when the associated drain stopper is in an opened position. The associated stopper includes a top closure portion, an intermediate guide portion and a bottom actuated means for moving the top closure portion between opened and closed positions relative to a drain fitting which has a flange surrounding a drain bore in which said intermediate guide portion travels. The device for protecting against inadvertent loss comprises screening means of toroidal configuration for mounting about the stopper adjacent and below the top closure portion. The screening means rides on the intermediate guide portion into the drain bore upon closure of the stopper and, out of the drain bore upon opening of the stopper. The screening means fills a toroidal zone substantially between the outer marginal underside areas of the top closure portion and an upper inner area of the drain fitting flange, whereby the drain bore is screened against the loss of objects therethrough when the stopper is in an opened position.
REFERENCES:
patent: 594169 (1897-11-01), Catsiff
patent: 659514 (1900-10-01), Duffy
patent: 1118235 (1914-11-01), Rock
patent: 1122745 (1914-12-01), Hall
patent: 3082957 (1963-03-01), Sample
patent: 3314085 (1967-04-01), Minella
patent: 3453667 (1969-07-01), Politz
Artis Henry K.
Maki George A.
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