Walking aid

A - Human Necessities – 61 – H

Patent

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Details

A61H 3/02 (2006.01) A45B 9/00 (2006.01)

Patent

CA 2429274

Walking aid apparatus comprises handle portion and a shaft portion including a ground-contacting ferrule, the shaft portion comprising telescopically-mounted cylindrical spindle (13) and sleeve elements (14) and a spring means acting between seats of said spindle and sleeve elements resiliently (26) to restrain relative axial sliding movement, in which the apparatus includes a sliding friction-reducing means (28,29) between at least one end of the spring means and the associated seat, whereby the handle portion and the ferrule are axially rotatable to accommodate twisting movement as between the user and the ground in use. The sliding friction-reducing means results in controlled rotation as between the spring means and the spindle and/or elements with considerable benefits to the user in avoiding tortional loading to the twist, elbow and/or shoulder joints which can be especially painful to those who suffer from arthritis.

L'invention concerne un appareil d'aide à la marche, qui comprend un manche et une tige munie d'un embout de contact avec le sol. La tige comprend de éléments d'arbre et de manchon cylindriques téléscopiques et un moyen à ressort fonctionnant de manière élastique entre des sièges desdits éléments d'arbre et de manchon afin de limiter un mouvement coulissant axial relatif. L'appareil comprend un moyen coulissant de réduction du frottement entre au moins une extrémité du moyen à ressort et du siège associé, si bien que le manche et l'embout peuvent pivoter axialement pour permettre un mouvement de torsion entre l'usager et le sol, pendant l'utilisation. Le moyen de réduction du frottement permet une rotation contrôlée entre le moyen à ressort et les éléments d'arbre et/ou de manchon, d'où un confort considérable pour l'usager qui lui évite une charge de torsion dans les articulations du poignet, du coude et/ou de l'épaule, laquelle torsion peut être particulièrement pénible pour les personnes souffrant d'arthrite.

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