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 2394515

An elastic wheel, comprising a disk (1) having a base rim (2) and a rim (3) pivotally supporting a tire (10), wherein a projected part (5) with a generally trapezoidal cross-section in the wheel axis direction is formed in a well of the rim (3), and a pair of elastic rubber bodies (6) are provided annually between the outer surfaces of a pair of wall parts (4a, 4b) formed by bending the both sides of the base rim (2) at a sharp angle and the rim inner peripheral surface of the generally trapezoidal projected part (5), whereby vibration can be absorbed by both the shearing deformation and compressive deformation of the installed elastic rubber bodies (6) so as to increase riding comfort, vibration proofing, and sound proofing performances in the area ranging from small input to large input, the sound proofing performance being very effective for sound in a high frequency area of 100 Hz or higher.

Cette invention concerne une roue élastique comprenant un disque (1) doté d'une sous-jante (2) et d'une jante (3) qui supportent un pneu selon un montage pivotant. La partie en saillie (5) de section généralement trapézoïdale dans le sens de l'axe de la roue est formée dans un creux de la jante (3). Une paire d'éléments en caoutchouc élastique (6) sont disposés de façon annulaire entre les surfaces extérieures d'une paire de parties latérales (4a, 4b) obtenues par torsion des deux côtés de la sous-jante (2) selon un angle aigu et la surface périphérique intérieure de jante de la partie en saillie à la forme généralement trapézoïdale (5). Les vibrations sont absorbées à la fois par la déformation de cisaillement et la déformation en compression des éléments en caoutchouc élastique (6), ce qui améliore le confort ainsi que l'amortissement des vibrations et des bruits faibles ou forts, l'amortissement du bruit étant particulièrement efficace dans la région des hautes fréquences de 100 Hz ou plus.

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