Lavatory system for use in potentially vandalized areas

Details Lavatory system for use in potentially vandalized areas Lavatory system for use in potentially vandalized areas

1985-07-01

1986-11-04

Phillips, Charles E.

Baths, closets, sinks, and spittoons

Dry closets

With heating meas

137359, 251 14, E03C 104

Patent

active

046203281

ABSTRACT:
A wall-mounted lavatory system is disclosed having two remote actuating units on the front surface of a lavatory sink connected to two self-closing flush valve mechanisms located behind the wall so that the flush valves are not accessible to the user of the lavatory sink. The lavatory system can employ either mechanical actuating means or hydraulic actuating means. Whichever actuating means are employed, the same basic flush valve can be used. The flush valve includes a piston assembly that normally closes upon a main valve seat, the piston assembly including a relief valve assembly normally closing upon a relief valve seat, the relief valve assembly having a bell-shaped relief valve head which threadedly engages a stem, the length of the stem depending from the relief valve head being adjustable by the extent to which the stem is screwed into the relief valve head.

REFERENCES:
patent: 2959186 (1960-11-01), McClenahan
patent: 3760830 (1973-09-01), Fritzsche et al.
patent: 3785396 (1974-01-01), Morris et al.
patent: 4391296 (1983-07-01), Abbott
"Stainless Steel Plumbing Fixtures", Super Secure Ware, 1970.

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