Patent · US Expired

Portable toilets

US4180876A · kind A · utility

9Cited by
6References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 6, 1978
Grant dateJan 1, 1980
Priority date
Expiry dateNov 6, 1998

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE03D5/012
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A portable toilet that has a lower holding tank with an inlet port in the top wall, and removably supported thereon an upper unit that contains a toilet bowl with an oulet port in registry with said inlet port, a flush water storage tank and flush means for discharging flush water from the storage tank into said bowl. Improved features include apparatus in the adjacent top and bottom walls of the holding tank and upper unit for releasably clamping them together, a discharge spout for the holding tank located between the adjacent walls so that the outlet of the spout is in a cavity in the bottom wall of the upper unit above the liquid level of the holding tank, and a valve-and-nozzle assembly and associated flexible conduit from the flush pump which is constructed and arranged to press fit all of the components together and mount them in proper location with respect to the toilet bowl.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.