Patent ID: 8667976
Filing Date: 2014-03-11
Classification: A61H

Abstract:
1. A height self-adjustable walking aid, comprising two oppositely arranged U-shaped stands which are connected together by a front stand, a plurality of outer pipes which respectively sleeve the ends of each of said two oppositely arranged U-shaped stands, a height adjusting apparatus mounted between each outer pipe and the corresponding U-shaped stand, and a control apparatus for height adjusting mounted inside each U-shaped stand, the control apparatus allowing height adjustment in response to a pushing force actuation of said control apparatus, wherein each of said plurality of outer pipes is provided with a plurality of positioning holes in the sidewall thereof, and wherein said height adjusting apparatus mounted between each outer pipe and the corresponding U-shaped stand comprises an inner driving medium having a bar-shaped groove and a rigid inclined plane on a top surface thereof, and an inner moving part which is mounted in said bar-shaped groove of said inner driving medium, whereby one end of the inner moving part is insertable into one of said plurality of positioning holes and the other end is mounted with a reset spring, wherein said rigid inclined plane of said inner driving medium is configured to drive the inner moving part to move radially when the inner driving medium moves up or down.