Category: Controls

Thermostat Control Arm

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DO IT YOURSELF ENTRY --- PURPOSE: To enable an individual with upper extremity disabilities and who uses a wheelchair to adjust the thermostat in her apartment. A frame of copper tubing was already mounted on the wall near the thermostat in order to mount an Adjustable Telephone Support. The frame has spare space, and additional items can easily be attached to it using small, narrow hose clips. A new bracket, complete with a lever, was assembled and attached to the frame. The user is able get to the handle in her wheelchair and can push the handle up and down. The handle extends equally on both sides of the pivot point so that it is always balanced. A piece of sheet steel is attached to this handle like a bell crank, and converts the vertical motion to horizontal motion. A small bracket of sheet metal is clamped to the thermostat control knob using two small, narrow hose clips. This converts the knob to a lever. A long connecting rod connects the end of this lever to the bell crank. The connecting rod is a piece of the angle strip that is used to support dropped ceilings at walls. Stops limit the stroke of the handle to about 8 inches vertical. This rotates the thermostat knob about 135 degrees. This is not the full range of the thermostat, but provides adjustment from about 15 to 25 degrees celcius. The range selected can be adjusted by moving the end of the connecting rod to a different hole in the bell crank. TITLE: The Thermostat Control Arm. WEB SITE: Workshop Solutions at REF: The originator, Colin Hardman, can be contacted at


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Thermostat Control Arm