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Stair climbing drive unit for a wheelchair has a holding arrangement when the centre of gravity is not positioned over the step in contact
Stair climbing drive unit for a wheelchair has a holding arrangement when the centre of gravity is not positioned over the step in contact
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机译:当重心未位于接触台阶上方时,用于轮椅的楼梯爬升驱动单元具有固定装置
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摘要
The centre of gravity (SP) is arranged to lie in front of the rear wheels (11) and over the step in contact as the front wheels (12) come in contact with the next step. Unless the centre of gravity is shifted by the user to lie over the next step the climbing action ceases.
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