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1. 发明授权

US06212696B1 Toilet bowl with improved access opening 失效
标题翻译：厕所碗具有改进的通道开口
公开(公告)号：US06212696B1
公开(公告)日：2001-04-10
申请号：US09374089
申请日：1999-08-12
申请人： Robert C. Ray
发明人： Robert C. Ray
IPC分类号： E03D1113
CPC分类号： E03D11/00
摘要： An improved toilet bowl construction for providing access to a siphon or trap therein comprises a toilet bowl which defines an opening positioned in communication with the siphon. The toilet bowl construction further includes an annular cover member coupled to a resilient sealing member. The cover member includes a lever pivotally coupled thereto and movable by a user between a first position and a second position displaced from the first position. The lever bears against the resilient sealing member when placed in the second position. The pressure against the sealing member decreases the diameter of the sealing member such that the sealing member can be inserted into the access opening. Returning the lever to the first or non-bearing position allows the diameter of the sealing member to increase and seal tightly within the access opening. Removal of the sealing member is accomplished by again placing the lever in the second or bearing position and withdrawing the sealing member from the opening.
摘要翻译：用于提供进入虹吸或陷阱的改进的马桶结构包括限定与虹吸管连通的开口的马桶。马桶结构还包括联接到弹性密封构件的环形盖构件。盖构件包括可枢转地联接到其上的杆，并且可由使用者在从第一位置移位的第一位置和第二位置之间移动。当放置在第二位置时，杆抵靠弹性密封构件。对密封构件的压力减小了密封构件的直径，使得密封构件能够插入入口。将杠杆回到第一或非支承位置允许密封件的直径增加并密封在进入口内。通过再次将杆放置在第二或轴承位置并将密封构件从开口中取出来实现密封构件的移除。

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