F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
F16D 43/21 (2006.01) F16F 7/04 (2006.01)
Patent
CA 2757301
The invention relates to a mechanical device for the transmission of a force with a threshold, including: a first element (1; 101) and a second element (2; 102) mounted such that they rotate in relation to one another about an axis of rotation (X), and a transmission member (10; 110) which is disposed between the aforementioned two elements and which secures the two elements to one another in rotation when a torque is applied to one of the elements so that said torque can be transmitted from one of the elements to the other, up to a threshold torque above which the two elements can rotate against a resistive torque equal to the threshold torque. According to the invention, the transmission member includes: at least a first friction disk (11; 111) rotatably fixed to the first element and a second friction disk (12; 112) opposite the first disk; a bearing member (13; 113) which can move axially such that, under the action of a press member, it can press the disks together and against a bearing plate (15; 115) of the first element; and rotation driving means (20, 21; 120, 121) disposed between the bearing member and the second element, which are provided to generate the axial movement of the bearing member against the spring member during a rotation.
Dispositif mécanique de transmission d'effort à seuil, comportant un premier élément et un deuxième élément, et un organe transmetteur qui solidarise les deux éléments en rotation lorsqu'un couple est imposé à l'un des éléments pour transmettre ce couple de l'un à l'autre des éléments, jusqu'à un couple seuil au-delà duquel les deux éléments deviennent mobiles en rotation à l'encontre d'un couple résistant égal au couple seuil. L'organe transmetteur comporte: au moins un premier disque de friction solidaire en rotation du premier élément et un deuxième disque de friction en regard du premier disque; un organe d'appui mobile axialement pour, sous l'action d'un organe presseur, presser les disques entre eux et contre un plateau d'appui du premier élément; des moyens d'entraînement en rotation interposés entre l'organe d'appui et le deuxième élément qui sont agencés pour provoquer un déplacement axial de l'organe d'appui à l'encontre de l'organe presseur lors d'une rotation.
Lafitte Arnaud
Valembois Guy
Verlyck Sabien
Goudreau Gage Dubuc
Messier-Bugatti-Dowty
LandOfFree
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