Positive lock for height adjustable ambulance cot

A - Human Necessities – 61 – G

Patent

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Details

A61G 1/02 (2006.01) A61G 1/056 (2006.01)

Patent

CA 2659439

.A positive lock (70) for an ambulance cot and method thereof which requires lifting an upper frame (22) of the ambulance cot, in order to permit a spring actuator (74) to clear an interference fit (98) of the positive lock, are provided. If the upper frame is not lifted, then the spring force used to pull on the positive lock (70) is insufficient to overcome the interference fit. Clearing the interference fit permits the cot to be height adjusted. Optionally, a light indicator (81) may be provided which illuminates if the cot has not been positively locked in a height adjusted position.

L'invention concerne un verrou positif pour une civière d'ambulance, et un procédé de verrouillage de celle-ci qui nécessite le levage d'un cadre supérieur de la civière d'ambulance, dans le but de permettre à un actionneur à ressort de libérer un ajustement serré du verrou positif. Si le cadre supérieur n'est pas levé, la force de ressort utilisée pour tirer sur le verrou positif est alors insuffisante pour libérer l'ajustement serré. La libération de l'ajustement serré permet de régler la civière en hauteur. Éventuellement, un indicateur lumineux peut être installé pour s'allumer si la civière n'a pas été verrouillée positivement dans une position réglée en hauteur.

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