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    • 9. 发明授权
    • Flush toilet
    • 抽水马桶
    • US4710988A
    • 1987-12-08
    • US830805
    • 1986-02-19
    • John M. Stewart
    • John M. Stewart
    • E03D5/01E03D5/012E03D11/10
    • E03D5/01E03D5/012
    • A flush toilet primarily for use in recreational homes and vehicles is described. A swing drop valve mechanism is used to open and close the outlet of the toilet bowl efficiently and without abrading the seal between the valve and bowl outlet. A flush water inlet valve is mounted in a compartment at the rear of the toilet for easy access for maintenance and is readily removable from the toilet using a minimum of tools. Flushing of the toilet is initiated by a foot pedal connected to the valve mechanism and water inlet valve by cables.
    • 描述了主要用于娱乐场所和车辆的冲水马桶。 使用摆杆阀机构有效地打开和关闭马桶盖的出口,并且不会磨损阀门和碗出口之间的密封。 冲洗水入口阀安装在马桶后部的隔间中,便于维护,并可使用最少的工具从厕所拆卸。 马桶的冲洗由连接到阀机构的脚踏板和通过电缆的进水阀启动。
    • 10. 发明授权
    • Portable toilets
    • US4091475A
    • 1978-05-30
    • US738806
    • 1976-11-04
    • Clifford Bruce HewsonJohn M. Stewart
    • Clifford Bruce HewsonJohn M. Stewart
    • E03D7/00E03D11/10E03D11/11E03D5/012F16K1/16
    • E03D11/11E03D11/10E03D7/00
    • A two piece portable toilet is described. The toilet includes a bowl unit which defines a toilet bowl having a discharge opening, and a reservoir for a flushing liquid, said reservoir having a normally closed filler opening. A holding tank is normally disposed below and supports the bowl unit. The holding tank has a top wall and defines a waste holding chamber having an inlet opening in said top wall for communication with the discharge opening of the toilet bowl. The chamber also has a normally closed outlet opening. The top wall of the tank is contoured to define a depression around the holding chamber inlet opening and, on opposite sides of the depression, surfaces for supporting said bowl unit. Coupling means normally maintain the bowl unit and holding tank in co-operating relationship when the toilet is in use. The coupling means allow the unit and tank to be separated at appropriate times. The toilet also includes pump means communicating with the reservoir in the bowl unit and with the toilet bowl and operable in use to deliver flushing liquid from the reservoir into the bowl. Valve means are also provided for controlling discharge of material from the toilet bowl into the holding chamber. The valve means are disposed in the depression in the top wall of the holding tank and includes a flap-form closure member which is pivotable about an axis generally normal to the axis of the discharge opening of the toilet bowl. The closure member is movable between a position in which the member prevents communication between the discharge opening of the bowl and the waste holding chamber, and a position in which the closure member has pivoted downwardly clear of the opening to allow discharge of material from the toilet bowl into said chamber. A valve operating means is normally disposed below and supports the closure member in its closed position and is retractable to allow the closure member to pivot downwardly about its said axis and allow communication between the discharge opening of the bowl and the inlet of the waste holding chamber.