#$%^&*AU2016101393A420161103.pdf#####Title: FIRM-SUPPORT WHEELCHAIR ARMREST FOLDING MECHANISM The present invention relates to a firm-support wheelchair armrest folding mechanism. The wheelchair armrest folding mechanism is provided, including an armrest backrest and armrests the backrest includes a left backrest support column and a right backrest support column, and the armrests include a left armrest and a right armrest the left armrest is hinged to the left backrest support column, and the left armrest can be turned over upward and the right armrest is hinged to the right backrest support column, and the right armrest can be turned over upward a left armrest support arm is fixed on a lower side of the left armrest and a right armrest support arm is fixed on a lower side of the right armrest the left armrest support arm extends toward and is engaged and fixed to the left backrest support column and the right armrest support arm extends toward and is engaged and fixed to the right backrest support column and the upward turnover of the left armrest can separate the left armrest support arm from the left backrest support column, and the upward turnover of the right armrest can separate the right armrest support arm from the right backrest support column, a left hinged tube is formed at a rear end of the left armrest and a right hinged tube is formed at a rear end of the right armrest the left hinged tube is sleeved outside the left extension column and the right hinged tube is sleeved outside the right extension column a bearing is matched between the left hinged tube and the left extension column and a bearing is matched between the right hinged tube and the right extension column. 1 11 10 ... 6 4 ......F..... l..1 ... .. ... .. ... .. ... .. ... .. .. -i .. i......
