| 摘要 |
PROBLEM TO BE SOLVED: To prevent any foreign matter from being caught between a caster folk bracket and a frame. SOLUTION: The electrically powered wheelchair 1 that changes its traveling direction by a power steering device 50 that operates front-side castors 36R and 36L is characterized in that castor folk brackets 75R and 75L connected to the power steering device 50 by tie rods 71R and 71L can close the openings between the castor wheels 59 and the frame. COPYRIGHT: (C)2010,JPO&INPIT
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