Fold breaking mechanism of wheelchair

摘要

PROBLEM TO BE SOLVED: To provide a back-folding mechanism of a wheelchair, which suppresses a rattle generated between two folded members due to long-term use.SOLUTION: Either a first rotary member 2 or a second rotary member 3 of a back-folding mechanism 1 generating a rattle due to long-term use is provided with a screw 5. In a normal use state of the back-folding mechanism 1, the screw 5 abuts on the other one of the first rotary member 2 and the second rotary member 3. Thus, a gap is inhibited from being made between both the members 2 and 3, and the rattle of the back-folding mechanism 1 is eliminated.