Adapter for bathtub drain

Details Adapter for bathtub drain Adapter for bathtub drain

1975-09-02

1977-02-08

Aegerter, Richard E.

Baths, closets, sinks, and spittoons

Dry closets

With heating meas

4286, 285323, 403370, 403374, A47K 114, F16B 214

Patent

active

040064980

ABSTRACT:
An adapter for installing a replacement drain valve in an existing drain comprises a cylindrical valve adapter insertable in the drain. The interior of the adapter is threaded, and the exterior is tapered upwardly. A similarly tapered split ring is disposed between the adapter and the drain. An externally threaded driving member is received in the adapter, and includes an outwardly extending flange which impinges on the upper end of the split ring. The drive member wedges the split ring between the drain and the adapter, securing the latter in the drain. The adapter includes a spider in the lower end thereof which receives and secures the replacement valve.

REFERENCES:
patent: 2849245 (1958-08-01), Baker
patent: 3311391 (1967-03-01), Harrell
patent: 3314085 (1967-04-01), Minella
patent: 3379459 (1968-04-01), Smid
patent: 3668718 (1972-06-01), Cuschera
patent: 3771177 (1973-11-01), Rogers et al.

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