Bed castor and brake assembly

A - Human Necessities – 47 – C

Patent

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Details

A47C 19/00 (2006.01) A61G 7/00 (2006.01)

Patent

CA 2615956

A pedal (10) is formed from a single moulding and includes first and second arms (12, 14), each provided with an over moulded marker (16, 18). The pedal (10) has two fittings (20, 22) for coupling with a brake actuator rod (24) and a coupling member (26) respectively. A castor (40) includes a wheel (42) which can rotate about a bushing (44) and a coupling shaft (46). Within the shaft (46) there is provided a brake mechanism for locking the wheel (42). A base frame (80) for a bed includes longitudinal and transverse struts (52, 54) arranged in a rectangular form, with four castors (40) and four associated pedal assemblies (10). Two actuator rods (24) are provided, one for each pair of opposing pedal assemblies (10), while two connecting elements (26) are provided, one for each pair of side-by-side pedal assemblies (10). All the pedals and thus all the brake mechanisms are coupled to one another through the two actuator rods (24) and two coupling elements (26). When one pedal (10) is actuated all the castors will either be locked or will all be released by a single operation.

La présente invention concerne une pédale (10) formée à partir d~un moulage unique et comprenant un premier et un second bras (12, 14), chacun étant muni d~un marqueur surmoulé (16, 18). Ladite pédale (10) présente deux pièces de fixation (20, 22) qui la relient à une tige d~actionnement de frein (24) et un élément d~accouplement (26) respectivement. Une roulette (40) comprend une roue (42) pouvant tourner autour d~une douille (44) et un arbre d~accouplement L~arbre (46) contient un mécanisme de frein pour bloquer la roue (42). Une structure de base (80) pour lit comprend des plaques longitudinales et transversales (52, 54) disposées en rectangle avec quatre roulettes (40) et quatre ensembles de pédale associés (10). Deux tiges d~actionnement (24), une pour chaque paire d~ensembles de pédale opposés (10) et deux éléments de connexion (26), un pour chaque paire d~ensembles de pédale adjacents, sont prévus. Toutes les pédales, et ainsi, tous les mécanismes de frein sont reliés les uns aux autres par les deux tiges d~actionnement (24) et les deux éléments de connexion (26). Lorsqu~une pédale (10) est actionnée, les roulettes sont soit toutes bloquées, soit toutes débloquées par une seule opération.

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