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Axle support structure

A technology of supporting structure and shell, applied in the direction of supporting machine, machine/stand, application, etc., can solve problems such as low strength and rigidity

Inactive Publication Date: 2002-11-27
BAYER CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, integrally molded plastic parts generally have lower strength and stiffness than equivalent parts made of metal

Method used

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Examples

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Embodiment Construction

[0023] Referring now to Figures 1 and 2 of the drawings, there is shown a shaft support structure 2 according to the invention comprising an elongated housing 11 having substantially opposing side walls 26 and 27, and a base 28. The elongated housing 11 has an inner surface 14 defining a hollow interior 17 , more specifically, it is an inner surface defining side walls 26 , 27 and a base 28 of the hollow interior 17 . A plurality of reinforcing ribs 20 are located within the hollow interior 17 of the elongated housing 11 . A portion 23 of the rib 20 abuts against the inner surface 14 of the elongated housing 11 (ie the rib 20 is not continuous with the housing 11). The stiffening rib 20 defines a longitudinal passage 41 having a longitudinal axis 44 through the interior 17 of the elongated housing 11 .

[0024] The reinforcing rib 20 is shown in FIG. 1 as having an X-shaped configuration. It should be understood that other configurations are within the scope of the present i...

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PUM

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Abstract

A shaft support structure (2) is described comprising, (a) an elongated housing (11) having an inner surface (14) defining a hollow interior (17); and (b) a plurality of Reinforcing ribs (20) of plastic material in the hollow interior (17) of the. At least a portion of the reinforcing rib (20) is in abutting relationship (23) with the inner surface (14) of the housing (11). The stiffening rib (20) defines a longitudinal passage (41) through the elongated housing (11) for receiving and supporting a rotatable shaft (47). The reinforcing rib (20) is fixedly attached to the elongated shell (11). The reinforcing ribs (20) are preferably formed by molding, eg injection molding, of plastics material on the inner surface (14) of the elongated housing (11).

Description

technical field [0001] The invention relates to a shaft bearing structure comprising an elongated housing having a hollow interior, and a plurality of reinforcing ribs of plastics material located in the hollow interior of the housing. A reinforcing rib is fixedly attached to the housing and defines a longitudinal passage through the housing for receiving and supporting a rotatable shaft, such as a steering shaft, therein. Background technique [0002] Rotatable shafts, such as automotive steering shafts and actuation shafts used in aircraft, generally must be supported along at least a portion of their length. The support of rotatable shafts is often necessary for several reasons, including shaft stability, such as minimizing shaft bending during operation, reducing support loads on components driving the shaft and components driven by the shaft Or the requirement to minimize bearing loads, and to protect the shaft from damage. [0003] For example, in the transportation ...

Claims

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Application Information

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IPC IPC(8): B29C45/14B62D1/16
CPCB29C45/14344B29C2045/14327B29L2031/30B29L2031/3002B62D1/16
Inventor T·A·帕尔默C·T·科尔森
Owner BAYER CORPORATION