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Bicycle frame with internal cable routing and method for making the same

A bicycle and frame technology, which is applied to bicycle frames, bicycles, bicycle accessories, etc., can solve problems such as time-consuming and complex

Active Publication Date: 2015-01-14
SPECIALIZED BICYCLE COMPONENTS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In existing bikes, the cables must be "fished out of" from the inside, and due to the large interior of the frame compared to the size of the cables, this process can be time consuming and complicated

Method used

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  • Bicycle frame with internal cable routing and method for making the same
  • Bicycle frame with internal cable routing and method for making the same
  • Bicycle frame with internal cable routing and method for making the same

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Embodiment Construction

[0018] Before any embodiment of the invention is explained in detail, it is to be understood that the invention is not limited in application to the details of construction and arrangement of parts set forth in the following description or illustrated in the drawings. The invention is capable of other embodiments and of being carried out in various ways.

[0019] figure 1 A bicycle 10 is shown including a front wheel 15 , a rear wheel 20 and a frame 25 . The frame 25 has a head tube 30 and a front fork 35 that is rotatably supported by the head tube 30 and that secures the front wheel 15 to the frame 10 . The frame 25 also has a top tube 40 connected to the head tube 30 and extending rearwardly from the head tube 30 ; and a down tube 45 connected to the head tube 30 below the top tube 40 and generally downward toward the bottom of the frame 25 shelf extension. A seat tube 55 extends upward from the chassis and connects to the top tube 40 , and a seat 60 is supported by the ...

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PUM

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Abstract

A method of making a portion of a bicycle frame including positioning a low-friction mandrel adjacent a flexible mandrel with a first fibrous material in between. The mandrels are wrapped with second fibrous material, and the mandrels are inserted into a mold. The second fibrous material is cured to produce a cured assembly, the cured assembly is withdrawn from the mold, and the low-friction mandrel is removed from the cured assembly to produce an internal passageway. The flexible mandrel can includes a recess, and the step of positioning can include inserting the low-friction mandrel into the recess of the flexible mandrel. Preferably, the low-friction mandrel has a cross sectional shape that substantially matches a cross-sectional shape of the recess. The invention is also embodied in a portion of a bicycle frame, such as a portion of the frame during the manufacturing process, and having similar features as recited above.

Description

technical field [0001] The present invention relates generally to the field of bicycles and in particular to bicycle frames having actuation cables positioned inside frame members. Background technique [0002] Many bicycles have brakes to slow the vehicle and a shifter to change gears. The brakes and shifters are typically actuated by a user via a brake handle and a shift handle, respectively. Movement of the handle is transmitted to the brakes and shifters via transmission members such as wires, cables, rods, hydraulic fluid or other suitable mechanisms (hereinafter "transmission members"). These transmission members may include movable members (eg, braided cables) positioned inside and movable relative to a fixed housing, which guides the movable members. [0003] In order to improve the aesthetics and aerodynamics of the bicycle, transmission members are often routed through the interior of the bicycle frame. To facilitate this, the frame may be provided with lead-in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C70/34B62K19/30B62K19/00
CPCB29L2031/3091B62K3/02B29K2883/005B62K2700/20B29C65/70B62K2700/16B29K2827/18B29C70/345B29K2105/0872Y10T428/2936B62K19/30B62J11/13B29C53/824B29C53/72B62K19/38
Inventor R.H.扬库拉
Owner SPECIALIZED BICYCLE COMPONENTS INC