Rotary damper

Details Rotary damper Rotary damper

F - Mech Eng,Light,Heat,Weapons

16

F

F16F 9/14 (2006.01) F16F 9/19 (2006.01) F16F 9/32 (2006.01) F16F 9/516 (2006.01)

Patent

CA 2397289

A cam member 5 is disposed within a first chamber R1 such that the cam member 5 is rotatable but non-movable in the axial direction. The cam member 5 is non-rotatably connected to a rotor 3 through a connection shaft portion 52 piercing into a piston 4. A second cam mechanism 10 is disposed between the cam member 5 and the piston 4. When the cam mechanism 7 causes the piston 4 to move from the second chamber R2 side to the first chamber R1 side in accordance with rotation of the rotor 3 in one direction, the second cam mechanism 10 allows the piston 4 to move from the second chamber R2 side to the first chamber R1 side by the same amount of movement. When the second cam mechanism 10 causes the piston 4 to move from the first chamber R1 side to the second chamber R2 side in accordance with rotation of the rotor 3 in the other direction, the cam mechanism 7 allows the piston 4 to move from the first chamber R1 side to the second chamber R2 side by the same amount of movement.

Cette invention se rapporte à un amortisseur rotatif, dans lequel un élément de came (5) placé dans une première chambre (R1) en position rotative et immobile en direction axiale est relié non rotatif à un rotor (3) par l'intermédiaire d'une partie arbre de liaison (52) traversant un piston (4), un second mécanisme de came (10) placé entre l'élément de came (5) et le piston (4) permet au piston (4) de se déplacer dans une direction, lorsque le rotor (3) tourne dans cette même direction et, selon cette rotation, le mécanisme de came déplace le piston (4) d'une seconde chambre (R2) vers la première chambre (R1), et déplace le piston (4) dans cette même direction sur une même distance, lorsque le rotor (3) tourne dans l'autre direction et, selon cette rotation, le mécanisme de came (7) permet au piston (4) de se déplacer de la première chambre (R1) vers la seconde chambre (R2).

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