PROBLEM TO BE SOLVED: To provide a brake device for suppressing the generation of a load in a brake operation.SOLUTION: A brake device 140 includes: a rotary member 141 that has a circular outer peripheral part concentrically arranged with respect to a wheel 131 and multiple engagement teeth 141a radially projected from the outer peripheral part and performs synchronous rotation with the wheel 131; and an engagement member 142 that is the engagement member 142 movably held by a frame part 133 of a wheelchair 100, has engagement projections 142a to be fitted to grooves 141b between the multiple engagement teeth 141a of the rotary member 141 so as to be engaged with the engagement teeth 141a, and is displaced between the first position where the engagement projections 142a are positioned outside the grooves 141b and the second position where at least a part of the engagement projections 142a are positioned inside the grooves 141b; an energization member 146 for energizing the engagement member 142 to the first position or the second position; and a lock part 145 for keeping the engagement member 142 at the first position or the second position.SELECTED DRAWING: Figure 10
【課題】ブレーキ動作時に荷重の発生を抑えたブレーキ装置を提供する。【解決手段】ブレーキ装置140は、車輪131に対して同心円状に配置された円形の外周部、及び、外周部から放射状に突出する複数の係合歯141aを備え、車輪131と同期回転する回転部材141と、車椅子100のフレーム部133に可動式に保持された係合部材142であって、回転部材141の複数の係合歯141a間の溝141bに収まって係合歯141aと係合する係合凸部142aを備え、係合凸部142aが溝141bの外部に位置する第1位置と、係合凸部142aの少なくとも一部が溝141bの内部に位置する第2位置との間を変位する係合部材142と、係合部材142を第1位置又は第2位置の一方に付勢する付勢部材146と、係合部材142を第1位置又は第2位置の他方に維持するロック部145と、を備える。【選択図】図10
BRAKE DEVICE AND WHEELCHAIR
ブレーキ装置及び車椅子
2016-08-12
Patent
Electronic Resource
Japanese
IPC: | A61G TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS , Transport, persönliche Beförderungsmittel, oder Lagerung besonders ausgebildet für Kranke oder Behinderte / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen |