Walking Frame Brake Modification
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CUSTOM ADAPTATION PURPOSE: To provide a customized adaptation to a four-wheel walker to enable back wheels to lock when navigating the walker up steps for an individual with cerebral palsy and visual and hearing impairments. Two spring-loaded semi-circular aluminum cams are used to jam the back wheels if they move backwards, but not stop the wheels from moving forward. The two cams are mounted on the frame just above the wheels and are attached to a cord which travels up to hook in the center of the frame under the seat. When the cord is put around the hook, the cams are lifted off the wheels and they travel freely in both directions. When the cord is released from the hook, two small springs move the cams onto the wheels thus locking them in place. An individual can take the cord off the hook to operate the locking mechanism when walking around shops, and hook it back up when he or she needs to maneuver in both directions. TITLE: Maintaining mobility. JOURNAL: TAD Journal. REF: Volume 29, Number 1, March 2009: pp. 4-5 PAGES: 3. (including cover).