Removable wheel support device for a wheelchair

B - Operations – Transporting – 60 – B

Patent

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Details

B60B 33/00 (2006.01) A61G 5/10 (2006.01)

Patent

CA 2632084

Stem (12) is secured to fork (6) . Head (27), bearing surface (28), recessed portions (29 and 21), and bearing surface (31) successively engage the interior of housing (13), comprising first bearing (14), laterally movable locking ring (18) and second bearing (15) . Locking ring (18) is repelled to the left in diametral direction against spring means urging ring (18) . When shoulder (20) has arrived at the height of rim portion (32) of ring (18) the spring means are released. Ring (18) displaces to the right and portion (32) engages groove (29) thus locking the stem in the axial direction. Due to the side location of the button 9, the device can easily be handled using the palm of a hand.

La présente invention concerne une tige (12) qui est fixée à une fourche (6). Une tête (27), une surface de palier (28), des parties évidées (29 et 21), et une surface de palier (31) entrent successivement en prise avec l~intérieur du logement (13) qui comprend un premier palier (14), une bague de verrouillage mobile latéralement (18) et un second palier (15). La bague de verrouillage (18) est poussée vers la gauche dans la direction diamétrale contre des moyens de ressort qui poussent la bague (18). Lorsqu~un épaulement (20) est arrivé à la hauteur d~une partie de bord (32) de la bague (18), les moyens de ressort sont libérés. La bague (18) se déplace vers la droite et une partie (32) entre en prise avec une rainure (29), verrouillant ainsi la tige dans la direction axiale. En raison du positionnement latéral du bouton (9), le dispositif peut facilement être manipulé avec la paume d~une main.

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