PROBLEM TO BE SOLVED: To provide a wheelchair with an automatic brake, having a simple, robust, inexpensive and safe automatic brake mechanism which can be easily post-fitted to a wheelchair not only during manufacturing but also in use.SOLUTION: A wheelchair with an automatic brake is attached with an automatic brake mechanism. The brake mechanism includes: one or two pairs of dogleg rotary brake rods each having a brake arm having a brake member at the lower end, and a rotary operation arm, and connecting the rotary operation arm directly or indirectly to a leaving and seating detection arm to convert the elevating operation of the leaving and seating detection arm into the rotary operation, on the rear side of the lower part of the wheelchair or on the front side and on the rear side thereof, respectively and spring mechanisms for braking and releasing by the elevating operation of the leaving and seating detection arm, and the rotary operation of the rotary brake rods.COPYRIGHT: (C)2014,JPO&INPIT【課題】新規製作時は勿論のこと、使用中の車椅子に容易に後付可能な簡単で堅牢な構造で安価で安全な自動ブレ-キ機構を有する自動ブレーキ付車椅子を提供する提供する。【解決手段】下端にブレーキ部材を有するブレーキアーム及び回転操作アームを有し前記回転操作アームを前記離・着座検出アームに直接又は間接的に接続し前記離・着座検出アームの昇降動作を回転動作に変換するへの字の回転ブレーキロッドを車椅子の下部の後部側に一対又は前部側と後部側に二対設け、前記離・着座検出アームの昇降動作と回転ブレーキロッドの回動動作による制動とその解除を行うスプリング機構を設けた自動ブレーキ機構を付設したことを特徴とする自動ブレーキ付車椅子。【選択図】 図1
