Baths – closets – sinks – and spittoons – Flush closet – With holding tank
Patent
1983-12-29
1986-02-18
Artis, Henry K.
Baths, closets, sinks, and spittoons
Flush closet
With holding tank
4323, 4661, 220 85SP, 222566, 222567, 222568, E03D 100
Patent
active
045702730
ABSTRACT:
A pourspout accessory kit for use with a portable toilet holding tank to facilitate dumping of the holding tank's contents via an outlet opening in the holding tank. The accessory kit copmrises a pourspout having an inlet end for attachment to the holding tank outlet opening and an outlet end spaced from the inlet end. Respective inlet and outlet end closure caps cover the inlet and outlet ends respectively of the pourspout. The inlet end of the pourspout is configured to fit a holding tank outlet opening having either a partial internal screw thread or a full external screw thread. The attachment to the partial internal screw thread is by means of a pair of bayonets on diametrically opposite sides of the pourspout which engage the partial screw threads on diametrically opposite sides of the holding tank outlet opening. The attachment of the pourspout to the external screw thread is by means of a retainer element fitted over the pourspout and which has an endwall overlapping a circumferential flange on the pourspout and a sidewall having an internal screw thread which threads onto the external thread of the holding tank outlet opening. An O-ring seal seats in a circumferential groove extending around the outside of the pourspout adjacent the flange and provides a leak-proof seal when the pourspout is attached to the holding tank. Two embodiments of O-ring seal are disclosed. The provision of closure caps for both ends of the pourspout provides for its convenient stowage when not in use. The accessory kit can be used with newly purchased toilets as well as those already owned by users.
REFERENCES:
patent: 1557451 (1925-10-01), Gibson
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patent: 1931032 (1933-10-01), Panfil
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patent: 2294637 (1942-09-01), Thomsen
patent: 3058633 (1962-10-01), Muhlhoff
patent: 3206083 (1965-09-01), Nishina
patent: 3430824 (1969-03-01), Conners et al.
patent: 4129236 (1978-12-01), Wrycraft et al.
patent: 4215445 (1980-08-01), Antos et al.
Antos John M.
Selina John
Artis Henry K.
Thetford Corporation
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