Toilet seat hinge assembly for automatically lowering seat after

Details Toilet seat hinge assembly for automatically lowering seat after Toilet seat hinge assembly for automatically lowering seat after

1995-01-05

1996-11-05

Phillips, Charles E.

Baths, closets, sinks, and spittoons

Opener or closer for a closet seat or lid

A47K 1310

Patent

active

055704786

ABSTRACT:
A hinge assembly for installation on a toilet to mount a toilet seat on a toilet for pivotal movement between an up position and a down position, and to automatically move the seat from the up position to the down position after the toilet is flushed. The assembly includes a shaft mounted for rotation about its axis between an up position and a down position. A hinge member for attachment to the toilet seat is mounted on the shaft so that when seat and the shaft are in their down positions, movement of the seat to the up position rotates the shaft to its up position, and when the seat and the shaft are in their up positions, rotation of the shaft to the down position pivots the seat to its down position. A spring resiliently biases the shaft to rotate from its up position to its down position. The assembly also includes a flush detector for detecting when the toilet is flushed, and a lock for locking the shaft against rotation, but which releases the shaft after the flush detector detects that the toilet has been flushed. A second spring may be provided to biases the toilet seat upwardly to slow the movement of the seat from the up position to the down position.

REFERENCES:
patent: 4491989 (1985-01-01), McGrail
patent: 5222260 (1993-06-01), Piper
patent: 5307524 (1994-05-01), Veal

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