Title: Automatic lavatory seat

Abstract: An automatic lavatory seat comprises a mounting seat secured to the lavatory pan, a lavatory seat connected with said mounting seat by means of a pivot pin, a coil spring around said pivot pin for raising said lavatory seat, a plunger secured at one of two opposite sides constituted by said lavatory seat and said mounting seat while a flexible hose is secured at the other, and a pneumetic valve at one end of said flexible hose, being characterized in that on removal of the load upon said lavatory seat, said flexible hose with said plunger fitted therein will resist the force exerted by said coil spring, thus producing a time lag in the return movement of said lavatory seat.

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Inventors: Chuang, Po L. (No. 7, Lane 43, Min Chu Rd., Hsin Chu City, TW)

Application Number: 06/251577
Filing Date: 1981-04-06
Publication_date: 1984-01-31
Assignee: Chuang L.

Primary Class(es): 4/240 4/248, 4/241
Other Classes: A47K13/04; A47K13/10; A47K13/12; A47K13/00; A47K13/04; A47K13/12
US Patent Ref:

2074318	January, 1957	Ford	267/114	Retainer for sanitary toilet seat covers
2563095	August, 1951	Beyrodt	4/251	Sterilized toilet seat
2776525	March, 1957	Bachmann	4/241	Leaping figure toy

Other Refs: GB26704of

December, 1897

267/114

Primary Examiner: Shepperd, John W.
Assistant Examiner: Putnam, Kenneth S.
Attorney: Kintzinger, Warren H.

Claims:

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