Non-removable refill restrictor apparatus

Details Non-removable refill restrictor apparatus Non-removable refill restrictor apparatus

2011-05-31

2011-05-31

Schneider, Craig M (Department: 3753)

Fluid handling

Liquid level responsive or maintaining systems

By float controlled valve

C137S798000, C285S305000, C285S921000

Reexamination Certificate

active

07950412

ABSTRACT:
A toilet refill restrictor apparatus includes an adapter interposed between a fill valve and a refill hose. The adapter is non-removably coupled to the fill valve and is configured with a larger proximal pathway, and a smaller distal metering pathway for restricting the refill flow rate. The adapter may be coupled to a shortened horizontal outlet formed at a top portion of the fill valve. The horizontal outlet is shortened to a length such that the refill hose cannot be connected directly to the outlet. The adapter may also be coupled to a fill valve without a horizontal outlet where an exit port is defined in the vertical conduit of the fill valve. The adapter includes a securing mechanism to prevent removal from the fill valve without excessive force or breaking the adapter.

REFERENCES:
patent: 793103 (1905-06-01), Scholtz
patent: 2777460 (1957-01-01), Svirsky
patent: 3207170 (1965-09-01), Fulton
patent: 3853141 (1974-12-01), Fischer
patent: 4699169 (1987-10-01), Sherby
patent: 5134729 (1992-08-01), Shaw
patent: 5708991 (1998-01-01), DeMarco
patent: 5738141 (1998-04-01), Blanke et al.
patent: 5887294 (1999-03-01), Yeung
patent: 6823889 (2004-11-01), Schuster
International Search Report, PCT/US07/11756, Dec. 26, 2007.

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