Baths – closets – sinks – and spittoons – Ventilation
Patent
1982-06-28
1984-05-08
Artis, Henry K.
Baths, closets, sinks, and spittoons
Ventilation
4661, E03C 124
Patent
active
044465831
ABSTRACT:
A pair of rigid discs are riveted coaxially together at their centers to permit relative rotation therebetween. One disc has therethrough a pair of spaced, elongate slots, and the other a plurality of pairs of circular openings which are arranged about the axis of the discs in such a manner that only one pair thereof at a time can register with the two slots in said one disc. A resilient backing layer of rubber or the like is secured to the outer face of one of the discs and has therethrough a plurality of slots or openings which are similar to, and in registry with, the slots or openings in the disc to which it is secured. In use the overflow strainer of a tub is removed to expose the overflow opening, and the discs are rotatably adjusted until one of the pairs of circular openings registers through the pair of slots with the strainer mounting lugs. The same screws which were used to secure the overflow strainer to the tub are then used to secure the seal to the tub with the resilient backing material closing off the overflow opening. Each pair of circular openings is adapted to a register with a different type of strainer mount, so that the seal can be used on different types of tubs. Also, an additional circular opening is formed through each disc adjacent its center line for use in securing the seal to a tub of the type which has only a single, centrally disposed mounting lug for the overflow strainer.
REFERENCES:
patent: 328354 (1885-10-01), Stears
patent: 1191088 (1916-07-01), Mercer
patent: 1195827 (1916-08-01), Lucke
patent: 1281222 (1918-10-01), Stepanchak
patent: 2951504 (1960-09-01), McBroom
patent: 3228039 (1966-01-01), Freeman
patent: 3281865 (1966-11-01), Young
patent: 3570020 (1971-03-01), Kato
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