Hydraulic commode assembly

Details Hydraulic commode assembly Hydraulic commode assembly

1990-08-24

1992-09-01

Phillips, Charles E.

Baths, closets, sinks, and spittoons

Flush closet seat assist to raise user

A47K 1310

Patent

active

051427095

ABSTRACT:
A hydraulically operated commode seat assembly provides lowering a handicapped person from a standing position to a seated position through a natural range of movement. The assembly includes a hydraulic cylinder that operates on household water pressure. A control device for the hydraulic cylinder which controls the position of the seat. A linkage mechanism connected to a support arrangement for one seat includes a dog leg linkage connected to the hydraulic cylinder. The device is free standing and is designed to have a lifting capacity of 885 lbs. The primary use of the device is in helping physically limited persons to safely and comfortably lower themselves to a sitting position or raise themselves to a standing position with little or no assistance, and this is accomplished by either raising or lowering the pressure in the hydraulic cylinder using the control device. The linkage mechanism including the dog leg linkage prevents scissoring effects and thus the device is safer to use than prior art devices employing scissoring linkage mechanisms.

REFERENCES:
patent: 3458872 (1969-08-01), Hellstrom et al.
patent: 3473174 (1969-10-01), Cool
patent: 3848845 (1974-11-01), Bogart
patent: 4185335 (1980-01-01), Alvis
patent: 4587678 (1986-05-01), Love et al.
patent: 4884841 (1989-12-01), Holley
patent: 4993085 (1991-02-01), Gibbons

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