F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 7/08 (2006.01) F16H 7/12 (2006.01) F16H 7/22 (2006.01)
Patent
CA 2579054
A linear tensioner (22, 122, 222, 322, 422, 522) driven by a torque input is provided having a base (24, 124, 224, 324, 424, 524), a pinion (26, 126, 226, 326) rotatably mounted on the base, a rack (28, 128, 228, 328, 329) operatively engaged with the pinion, an arm (30, 130, 230, 330, 331, 430, 530) slideably mounted on the base (24, 124, 224, 324, 424, 524) and coupled to the rack (28, 128, 228, 328, 329) for linear movement therewith, and a pulley (32, 132, 332, 333, 432, 532) rotatably mounted on the arm (30, 130, 230, 330, 331, 430, 530) to engage and tension an associated power transmitting element such as a belt or chain. The tensioner (22, 122, 222, 322, 422, 522) further includes a means (40, 140, 240, 340, 440, 540, 42, 43) for applying a rotational force to the pinion (26, 126, 226, 326), which may be, for example, a torsion spring (40, 140, 240, 340, 440, 540), a servo motor (42) or a hydraulic pump (43).
L'invention concerne un tensionneur linéaire (22, 122, 222, 322, 422, 522) entraînée par entrée de couple, comportant une base (24, 124, 224, 324, 424, 524), un pignon (26, 126, 226, 326) rotatif sur la base, une crémaillère (28, 128, 228, 328, 329) engagée opérationnelle sur le pignon, un bras (30, 130, 230, 330, 331, 430, 530) coulissant sur la base (24, 124, 224, 324, 424, 524) et couplé à la crémaillère (28, 128, 228, 328, 329) aux fins de mouvement linéaire avec elle, et une poulie (32, 132, 332, 333, 432, 532) rotative sur le bras (30, 130, 230, 330, 331, 430, 530) pour l'engagement et la tension avec un élément de transfert de puissance associé du type courroie ou chaîne. Le tensionneur (22, 122, 222, 322, 422, 522) comprend aussi un système (40, 140, 240, 340, 440, 540, 42, 43) d'application de force de rotation au pignon (26, 126, 226, 326), pouvant être, par exemple, un ressort de torsion (40, 140, 240, 340, 440, 540), un servomoteur (42) ou une pompe hydraulique (43).
Borden Ladner Gervais Llp
Dayco Products Llc
LandOfFree
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