Category: Seat Lift Chair

Lift Chair

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CUSTOM ADAPTATION PURPOSE: To enable an individual with dermatomyositis to use a chair. Because the individual was unable to get out of a chair independently, she often had to stand for long periods. Commercially-available lift chairs did not placer in the position she needed in order to stand. The custom-made chair started with a padded, vinyl-covered executive-style office chair which removed from its star-shaped wheeled base. The chair was bolted to a rectangular base tig welded together from sheet steel. Large, locking, hospital-style casters were fixed to each corner of the base. The lift mechanism was a double scissor lift with a small footprint that still left room for the user to tuck her feet when the chair was in the lowered position. The lift is driven by a geared direct-current motor housed in a plywood box at the back of the chair, and the battery and electrical works are housed in small plywood boxes on either side of the chair. A control panel mounted on the right arm of the chair enables the user to turn the power on and off, and raise and lower the chair using a rocker switch. Limit switches stop the upward and downward travel so the chair moves between 460 and 860 millimeters. At the upper limit, the user can slide to a standing position with her legs straight. Red vinyl curtains were added below the seat to screen the mechanism. An operational manual which can also be used for future repairs was also written. POWER: Uses a rechargeable 12-volt lead acid battery. TITLE: The Luxury of Sitting. JOURNAL: TAD Journal. REF: Volume 27, Number 1, May 2007: p. 12-13. PAGES: 3 (including cover).


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Technical Aid To The Disabled (TAD)
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TAD is a charity organisation that has the authority to fundraise. TAD uses volunteers dedicated to the design, construction and provision of aids for people with disabilities. Members of TAD provide a resource pool comprising a range of design, engineering, rehabilitation, computer, therapy and other professional and technical skills. Aids custom-designed by TAD volunteers are described in the TAD Journal.

Therapeutic Aids