Cycle rim and tubeless mounting assembly for cycle

A technology for installing components and rims, which is applied in the field of rickshaws, especially the installation components of bicycles, and rickshaws. It can solve the problems of bead falling off and detachment, and achieve the effect of ensuring inflation

Inactive Publication Date: 2006-10-04
MICHELIN & CO CIE GEN DES ESTAB MICHELIN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Despite the fact that with the rim disclosed by patent application EP 0 893 280 it is possible to start inflating the tire at a defined pressure, it has been proven that the characteristics of the tested tires above a certain pressure cause at least part of the bead The situation of detachment occurs and thus makes the tire detach from the rim

Method used

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  • Cycle rim and tubeless mounting assembly for cycle
  • Cycle rim and tubeless mounting assembly for cycle
  • Cycle rim and tubeless mounting assembly for cycle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0051] The figures are not shown to scale for ease of understanding.

[0052] figure 1 A schematic diagram of a radial section of a rim 1 according to the invention is shown. The rim comprises two flanges 2 , 3 at the outer ends, which connect the groove 4 via the bead seats 5 , 6 . The orientation of the flanges 2 and 3 is substantially parallel to the annular midplane. The bead seats 5 and 6 form an angle of about 20° with the axis of rotation. On the one hand, the groove 4 comprises a groove bottom 7 and two side walls 8, 9 which are generally inclined compared to the rims normally used for bicycles. These walls 8 and 9 according to the invention are as figure 1 Shown is made in two parts; first, the lower part 8b, 9b, which forms an angle of about 30° and is centered on the annular midplane, and the second or upper part 8a, 9a, which forms an angle of about 65° corner and centered on the midplane of the ring. In the upper part said flange further comprises hook mea...

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Abstract

The invention relates to a rim for cycles, more particular for bicycles. The invention is also aimed at a tubeless mounted assembly consisting of the said rim and of a tire having in particular two flexible bead wires. According to the invention, the rim consists of two flanges, attached to two seats, intended to receive the beads of a tire, separated from each other by a mounting groove, and, according to the profile of the rim in a radial plane, the bead seats have a generatrix, the axially outer end of which is on a circle of smaller diameter than the diameter of the circle on which the axially inner end is situated, the said generatrix forming an angle with the axis of rotation of the tire of between 15 and 45 degrees.

Description

technical field [0001] The invention relates to a rim for a cart wheel. The invention also relates to a mounting assembly for a bicycle, especially a bicycle, comprising a rim and a tire. In particular, the invention relates to power vehicles used in conjunction with tires that operate without an inner tube, ie tubeless tyres. Background technique [0002] A common rim made of a single part of a tubeless tire, especially for motorcycles, comprising different regions; from the outer edge of the rim there is first a rim flange, or lug, whose main function is to The inflated state of the tire holds the bead of the tire; next, the bead seat, on which the bead of the tire is held and ensures tightness and airtightness; finally, a groove, because its diameter is smaller than the flange The diameter, therefore, used to be able to mount the tire. In the case of a bead with a protrusion, the protrusion occurs between the bead seat and the fitting-able groove. These projections ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60C15/024B60C15/02B60B21/10B60C5/12B60B21/00B60B21/06B60C15/00B60C15/04
CPCB60B21/102B60Y2200/13B60C15/0247B60B21/026B60B21/062B60C15/04B60C15/024B60B21/104B60C15/0226B60B21/028
Inventor L·阿尔贝B·莫罗
Owner MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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