Wheelchair comprising wheel axle and hub
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United States of America Patent
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Oct 24, 2017
Issued Date -
N/A
app pub date -
Jul 5, 2016
filing date -
Jul 10, 2015
priority date (Note) -
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Abstract
The present disclosure relates to a wheelchair comprising a wheel axle (1) having a wheel axle end portion (9) and hub (3) having a central through-opening (11) arranged to receive the wheel axle end portion (9). The wheel axle end portion (9) has an external surface having three chamfered faces (3a, 3b), each chamfered face (3a, 3b) defining a planar surface, and the hub (3) has inner walls (13a, 13b, 13c) defining the central through-opening (11). The inner walls (13a, 13b, 13c) are arranged to engage with the chamfered faces (3a, 3b) of the wheel axle end portion (9) to prevent relative rotation between the hub (3) and the wheel axle (1).
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