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公开(公告)号：US09801777B2
公开(公告)日：2017-10-31
申请号：US15272753
申请日：2016-09-22
申请人： Chia-Pao Chang , Ying-Hsiang Lin , Yu-Cheng Chang
发明人： Chia-Pao Chang , Ying-Hsiang Lin , Yu-Cheng Chang
CPC分类号： A61H3/04 , A61H2003/046 , A61H2201/1635 , A61H2201/1671 , B60B33/0063 , B60B33/0081 , B60B33/0094 , B60B33/063 , B60B2200/22 , B60B2200/26
摘要： A walking aid device includes a support body inclusive of a plurality of support elements extending toward the ground. Each support element is coupled to a caster and a brake unit. Each brake unit has a clutching surface. The clutching surface controllably clutches a wheel of the caster or the ground to thereby generate friction for stopping the walking aid device.
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公开(公告)号：US20170087043A1
公开(公告)日：2017-03-30
申请号：US15272753
申请日：2016-09-22
申请人： Chia-Pao Chang , Ying-Hsiang Lin , Yu-Cheng Chang
发明人： Chia-Pao Chang , Ying-Hsiang Lin , Yu-Cheng Chang
CPC分类号： A61H3/04 , A61H2003/046 , A61H2201/1635 , A61H2201/1671 , B60B33/0063 , B60B33/0081 , B60B33/0094 , B60B33/063 , B60B2200/22 , B60B2200/26
摘要： A walking aid device includes a support body inclusive of a plurality of support elements extending toward the ground. Each support element is coupled to a caster and a brake unit. Each brake unit has a clutching surface. The clutching surface controllably clutches a wheel of the caster or the ground to thereby generate friction for stopping the walking aid device.
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