Baths – closets – sinks – and spittoons – Buffers and dashpots
Patent
1995-04-24
1996-08-20
Fetsuga, Robert M.
Baths, closets, sinks, and spittoons
Buffers and dashpots
42461, 188 727, 16 50, 16342, A47K 1310
Patent
active
055466125
ABSTRACT:
An automatic toilet seat lowering device integrated into a seat hinge assembly such that a raised seat, when approaching the last ten degrees of upward travel, is latched against the bias of a torsion spring. A rod connected to a flush handle unlatches the seat to allow the spring to bias the seat into an initial stage of descent. During descent, a leaf-type spring on the seat engages a catch on a lid to pull the lid into the descent. The speed of descent of seat and lid is controlled by friction between rotating and non-rotating brake discs mounted on an extension of an axle of the hinge assembly. The brake discs are compressed between a thrust cam driven by the descending seat and a compression spring mounted on the axle. Some of the brake discs are further configured to perform additional functions such as latching the seat in the raised position, and protecting the hinge assembly from excessive-force damage as well as enabling adjustment for differing seat thicknesses.
REFERENCES:
patent: 1919340 (1933-07-01), Lyford
patent: 3028619 (1962-04-01), Schlage et al.
patent: 3172071 (1965-03-01), Ihrig
patent: 3801155 (1974-04-01), Hodgen et al.
patent: 4982453 (1991-01-01), Matsumoto
patent: 5153946 (1992-10-01), Yoke et al.
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