Rear suspension for bicycles

B - Operations – Transporting – 62 – K

Patent

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Details

B62K 25/28 (2006.01)

Patent

CA 2207802

A rear suspension for mountain bicycles includes a rigid frame pivot-mounted at its opposite extremities to a lower rear location on the front triangle of the bicycle and to a lower front location on the rear triangle of the bicycle. The frame thus allows relative movement of the two triangles with two degrees of freedom, and particularly movements within a portion of plane defined by the position of the two pivots relative to the rear wheel, by their spacing and also by the possible deformation of the spring provided between the two triangles. A leaf spring between the front and rear triangles may act as a system to cushion relative movements between the two triangles during impacts of the rear wheel with an obstacle, although it may also include a shock absorber and/or several springs.

Une suspension arrière pour vélos de montagne comprend une membrure rigide montée a pivot à ses extrémités opposées à un endroit inférieur arrière du triangle avant du vélo et à un endroit inférieur avant du triangle arrière du vélo. La membrure permet ainsi des déplacements relatifs des deux triangles suivant deux degrés de liberté et, plus particulièrement, des déplacements dans une portion de plan définie par la position des deux pivots par rapport à la roue arrière, par leur espacement et également par la déformation possible du ressort pourvu entre les deux triangles. Un ressort à lame entre les triangles avant et arrière peut être utilisé en guise de système d'amortissement pour amortir les déplacements relatifs entre ces derniers lors d'impacts de la roue arrière avec un obstacle, bien qu'il puisse comporté également un amortisseur et/ou plusieurs ressorts.

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