| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide the safe rim structure of a wheel for a wheelchair, that facilitates replacement of hand rims without performing an operation to attach/detach a tire, a tire tube, and a rim band, etc., to/from the rim of a wheel for a wheelchair. <P>SOLUTION: The rim structure 30 of a wheel 3 has a nut member 12 including: a flat plate 12a; a fitting projection 12b; and a male screw 12c formed to penetrate the flat plate 12a and the fitting projection 12b. Fixing is performed by making the fitting projection 12b of the nut member 12 be inserted into a through-hole 5e arranged in the rim groove 5a of the rim 5 from the outer peripheral surface side of the rim 5 and performing caulking, etc. Besides, a bolt 13 inserted into the attachment hole 10c of a stay 10b is screwed onto the male screw 12c of the nut member 12 from the inner peripheral surface side of the hand rim 10. <P>COPYRIGHT: (C)2013,JPO&INPIT |
