Baths – closets – sinks – and spittoons – Seat and lid – Hinges
Patent
1998-01-20
1999-12-07
Douglas, Steven O.
Baths, closets, sinks, and spittoons
Seat and lid
Hinges
42462, 4248, 16303, 16306, 16307, A47K 1312
Patent
active
059961325
ABSTRACT:
A compound torque hinge comprising a first rotating shaft rotatably mounted through a partition wall within a hinge case having the partition wall; a first rotation control working on the first rotating shaft and mounted on one side of the partition wall of the hinge case; and a second rotation control mean coaxially mounted on the other side of the partition wall of the hinge case. The first rotating shaft is connected to the second rotating shaft of the second rotation control. The first rotating is a cam mechanism provided with spring and the second rotation control is a fluid damper.
REFERENCES:
patent: 5165507 (1992-11-01), Ohshima
patent: 5398378 (1995-03-01), Lin
patent: 5682644 (1997-11-01), Bohacik et al.
patent: 5768718 (1998-06-01), Sorimachi
Douglas Steven O.
Katoh Electrical Machinery Co. Ltd.
Nguyen Tuan
LandOfFree
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