A securement system is provided for a rollable mobility aid with a frame and rollers, which aid is located adjacent surrounding structure such as the interior of a vehicle. The system includes protruding structure attached to such frame, with a substantially rigid, operative section that includes a broad...http://www.google.com/patents/US5344265?utm_source=gb-gplus-sharePatent US5344265 - Securement system for a rollable mobility aid
