Baths – closets – sinks – and spittoons – Dry closets – With heating meas
Patent
1974-08-14
1976-03-16
Smith, Robert I.
Baths, closets, sinks, and spittoons
Dry closets
With heating meas
4142, A47K 1102
Patent
active
039435784
ABSTRACT:
The apparatus comprises a throttle valve comprising an upper cylindrical resilient deformable membrane having an upper flange at the upper end thereof and a lower cylindrical resilient deformable membrane having a lower flange at the lower end thereof and connected at its upper end to the lower end of the upper cylindrical membrane by a central flange. The upper flange is secured to the upper wall portion of the outer wall of the apparatus and the lower flange is secured to the lower wall portion of the outer wall with either one of the upper and lower cylindrical membranes being twisted by 180.degree. about its longitudinal axis so that the twisted membrane is closed. The upper end of the throttle valve is attached to the hole discharge of the lavatory bowl while the lower end is located above the excrement reservoir. The lower membrane is closed during the use by rotating the central flange to appropriate angular position so as to temporarily hold the faeces thereon while bad odor from the reservoir is prevented from rising therethrough. After use, the central flange is rotated so as to open the lower cylindrical membrane for discharging the faeces thereon into the reservoir while the upper cylindrical membrane is closed to prevent bad odor from rising into the lavatory room and prevent the faeces to be viewed by the user. After discharge of the faeces into the reservoir, the lower cylindrical membrane is closed by rotating the central flange to be ready for the next use. Various mechanisms for rotating the central flange is provided for facilitating the opening and closing of the cylindrical membranes.
REFERENCES:
patent: 1130441 (1915-03-01), Somerville
patent: 2835272 (1958-05-01), Taupin
Harada Shuichi
Miya Masami
Nagasaki Masao
Nepon Kabushiki Kaisha (Nepon Inc.)
Smith Robert I.
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