To provide a wheel support device for a wheelchair which achieves reduction of rotation torque of a wheel.SOLUTION: A wheel support device 9 for a wheelchair includes: a hub shaft 8 fixed to a vehicle body frame; a hub 10 which is provided at a center part of a wheel and integrally rotates with the wheel; and double row rolling bearings 11, 12 provided between an outer peripheral surface of the hub shaft 8 and an inner peripheral surface of the hub 10 and supporting the hub 10 in a manner that the hub 10 can rotate relative to the hub shaft 8. A liquid lubrication oil 14 for lubricating the double row rolling bearings 11, 12 is enclosed between the outer peripheral surface of the hub shaft 8 and the inner peripheral surface of the hub 10.SELECTED DRAWING: Figure 6
【課題】車輪の回転トルクを低減した車椅子用車輪支持装置を提供する。【解決手段】車体フレームに対して固定されるハブ軸8と、車輪の中心部に設けられ、車輪と一体的に回転するハブ10と、ハブ軸8の外周面とハブ10の内周面の間に設けられ、ハブ10をハブ軸8に対して回転自在に支持する複列の転がり軸受11、12とを備える車椅子用車輪支持装置9において、ハブ軸8の外周面と前記ハブ10の内周面の間に、複列の転がり軸受11、12を潤滑するための液体潤滑油14を封入したことを特徴とする。【選択図】図6
WHEEL SUPPORT DEVICE FOR WHEELCHAIR
車椅子用車輪支持装置
2023-03-30
Patent
Electronic Resource
Japanese
Caster wheel support assembly for a wheelchair and wheelchair comprising the same
European Patent Office | 2021
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