Elastic wheel

B - Operations – Transporting – 60 – B

Patent

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Details

B60B 9/12 (2006.01) B60B 9/10 (2006.01)

Patent

CA 2379929

An elastic wheel having a disk 1 equipped with a base rim 2 and a rim 3 for supporting a tire includes a pair of guides 4 fixed annularly on the inner peripheral surface of the rim 3 and a pair of wall portions 5 fixed annularly on the both side areas in the axial direction of the wheel on the outer peripheral surface of the base rim 2, where rubber elastic bodies 6 are fitted annularly between the side surfaces of the guides 4 and the side surfaces of the wall portions, respectively. The elastic bodies 6 being installed are able to absorb vibrations by their shearing deformations, so that especially the riding comfortableness performance, the vibration proof performance, and the soundproof performance can be improved against the small input load. Regarding the soundproof performance, furthermore, it is extremely effective on a high frequency area of 100 Hz or higher.

L'invention concerne une roue élastique comprenant un disque (1) doté d'une jante de base (2) et d'une jante (3) servant de support à un pneu ; deux guides (4) montés de manière fixe et annulaire sur la surface périphérique intérieure de la jante (3) ; et deux parois (5) montées de manière fixe et annulaire sur la surface périphérique extérieure de la jante de base (2) dans les deux zones latérales se trouvant dans la direction axiale de la roue. Un corps (6) élastique en caoutchouc est disposé de façon annulaire entre les surfaces latérales des guides (4) et les surfaces latérales des parois respectivement, les vibrations pouvant être absorbées grâce à une déformation de cisaillement des corps (6) élastiques en caoutchouc, ce qui permet notamment d'augmenter les performances en matière de confort de roulement, d'amortissement des vibrations et d'insonorisation contre une entrée réduite, l'insonorisation étant extrêmement efficace dans une zone de haute fréquence supérieure ou égale à 100 Hz.

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