B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
B66F 3/08 (2006.01) B66F 7/10 (2006.01) B66F 7/14 (2006.01)
Patent
CA 2567858
The linear actuator (10) comprises an elongated first band (26) wound in helical form about a central axis (11) and an elongated second flat band (36) wound on itself with its turns substantially transversely parallel to the central axis (11). The first (26) and second (36) bands are capable of taking retracted and expanded positions whereby in the retracted position the bands (26, 36) are spaced from each other. First fastening means (34) and second fastening means (40, 42) are longitudinally disposed along the first (26) and second (36) bands respectively, whereby the second fastening means (40, 42) is capable of cooperating with the first fastening means (34) to releasably interlock the first (26) and second (36) bands. Spacer means space the turns of the first band (26). Drive means cause rotation of the first (26) and second (36) bands and the spacer means about the central axis (11). Guide means (37) guide the turns of the second band (36) towards the turns of the first band (26) to interlock the first (34) and second (40, 42) fastening means.
L'invention concerne un actionneur linéaire (10) comprenant une première bande oblongue (26) enroulée sous forme hélicale autour d'un axe central (11) et une seconde bande plate oblongue (36) enroulée sur elle-même avec ses tours presque transversalement parallèles à l'axe central (11). La première (26) et la seconde (36) bande permettent de prendre des positions rétractées et étendues, dans la position rétractée, les bandes (26, 36) sont espacées les unes des autres. Un premier élément de fixation (34) et un second élément de fixation (40, 42) sont placés de façon longitudinale le long des première (26) et secondes (36) bandes respectivement, le second élément de fixation (40, 42) coopère avec le premier (34) afin de se verrouiller amovible aux première (26) et seconde (36) bandes. Un élément d'espaceur espace les tours de la première bande (26). Un élément d'entraînement entraîne la rotation des première (26) et seconde (36) bandes et l'élément d'espaceur autour de l'axe central (11). Un élément de guidage (37) guide les tours de la seconde bande (36) vers les tours de la première (26) afin de verrouiller les premier (34) et second (40, 42) éléments de fixation.
Gestion Laforest Inc.
Lesperance & Martineau S.e.n.c.
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