The Innovative Design of Wheelchair with Lifting and Standing Functions

Authors

  • Long-Chang Hsieh
  • Tzu-Hsia Chen
  • Shih-Jie Wei

Keywords:

checklist method, innovative design, wheelchair with lifting and standing functions

Abstract

Traditionally, the mechanism of wheelchair with lifting and standing functions has 2 degrees of freedom, and used 2 power sources to perform these 2 motion function. The mechanism proposed for wheelchair with lifting and standing functions in this paper has 1 degree of freedom.  Hence, we can use only 1 power source to drive the mechanism to achieve lifting and standing functions. For traditional standing wheelchair, its’ center of gravity moves forward when standing up and it needs 2 auxiliary wheels to prevent dumping. In this paper, by using the checklist method of Osborn, the wheelchair with 1 DOF is invented to perform lifting and standing functions. The center of gravity of this new wheelchair after standing up still located between the front and rear wheels, no auxiliary wheels needed. The new design has the advantages of simple operation, more stability, and more safety.

References

K. Hunziker, Stand-up unit for stand-up wheelchairs and chairs, particularly therapy chairs, U.S. Patent, 0207354 A1, 2010.

P. P. Liu, L. H. Cheng, W. T. Hsieh, and K. W. Zheng, The lifting structure of seat for wheelchair, Taiwan Patent, M 294,932, 2006.

Y. C. Yu, An electric wheelchair bed, Taiwan Patent, M492,731, 2015.

D. N. Laslo, Apparatus for tilting A wheelchair seat, U.S. Patent, 5,322,741, 2012.

L. C. Hsieh and J. B. Huang, The electric wheelchair integrating sitting, standing, and tilting functions, Taiwan Patent, I495,461, 2015.

L. C. Hsieh and T. H. Chen, “Optimal design of polishing trace for link-type optical fiber polisher,” Journal of Advanced Materials Research, vol. 328-330, pp. 900-905, 2011.

L. C. Hsieh and T. H. Chen, “The systematic design of link-type optical fiber polisher with single flat,” Journal of Advanced Science Letters, vol. 9, pp. 318-324, 2012.

A. F. Osborn, Applied imagination: principles and procedures of creative problem solving, New York: Charles Scribner's Sons, 1953.

G. Altshuller, And suddenly the inventor appeared – TRIZ the theory of inventive problem solving, Technical Innovation Center, Inc., Worcester, MA, 1996.

L. C. Hsieh and H. C. Tang, “The innovative design of automatic transmissions for electric motorcycles,” Transactions of the Canadian Society for Mechanical Engineering, vol. 37, no. 3, pp. 741-753, 2013.

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Published

2016-10-01

How to Cite

[1]
L.-C. Hsieh, T.-H. Chen, and S.-J. Wei, “The Innovative Design of Wheelchair with Lifting and Standing Functions”, Proc. eng. technol. innov., vol. 4, pp. 10–12, Oct. 2016.

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Articles