Bicycle handlebar with removable and adjustable aerobar

B - Operations – Transporting – 62 – K

Patent

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Details

B62K 21/12 (2006.01)

Patent

CA 2584994

A handlebar for a bicycle (10) has first (34) and second (36) laterally extending portions disposed outboard of a central attachment portion (30). Each of the first and second laterally extending portions (34, 36) is preferably winged-like in configuration to provide reduced air resistance. The first laterally extending portion includes an aerobar clamping mechanism (90), and the second laterally extending portion (90) includes a second aerobar clamping mechanism (92). Each aerobar clamping mechanism includes a tapered receiving sleeve (124, 125) having an axis that is generally parallel to a travel axis (T) of the handlebar. A collet (160, 162) having a major axis that extends in a plane generally parallel to the direction of travel (T) of the bicycle is receivable within the receiving sleeve (124, 125). The collet (160, 162) includes a plurality of axially extending slots (176) that permits the diameter of the collet to be varied. The collets (160, 162) include an aerobar receiving slot having a major axis that is generally co-linear with the axis of the collet, and is provided for receiving an aerobar (14, 16). An axial mover member can be coupled to the collet (160, 162), for axially moving the collet within the aerobar receiving sleeve (124, 125). Axial movement of the collet (160, 162) within the aerobar receiving sleeve serves to tighten and increase the grip of the collet (160. 162) upon the aerobar.

L'invention concerne un guidon de bicyclette (10) qui comprend une première (34) et une seconde (36) parties s'étendant latéralement et montées vers l'extérieur d'une partie de fixation centrale (30). La forme en ailette souhaitée de ces première et seconde parties (34, 36) permet de réduire la résistance à l'air. La première partie comprend un système de fixation de premier guidon aérien (90), et la seconde partie (90) comprend un système de fixation de second guidon aérien (92). Chaque système de fixation de guidon aérien comprend un manchon de réception conique (124, 125) dont l'axe est généralement parallèle à l'axe de translation (T) du guidon. Un collet (160, 162) présentant un axe principal qui s'étend dans un plan généralement parallèle à la direction de translation (T) de la bicyclette s'emboîte dans le manchon de réception (124, 125). Le collet (160, 162) comprend une pluralité de fentes axiales (176) qui permettent de jouer sur son diamètre. Les collets (160, 162) comprennent une fente de réception de guidon aérien, prévue pour recevoir un guidon aérien (14, 16), et qui présente un axe principal généralement colinéaire avec l'axe du collet. Un élément de déplacement axial peut être couplé au collet (160, 162) pour déplacer axialement celui-ci dans le manchon de réception du guidon aérien (124, 125). Le mouvement axial du collet (160, 162) dans le manchon de réception du guidon aérien permet de serrer davantage le collet (160, 162) sur le guidon aérien.

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