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Encapsulated beam with anti-rotation system

A technology for beam members and motor vehicles, which is used in vehicle cleaning, transportation and packaging, vehicle maintenance, etc., and can solve problems such as the quality of wipers and the harmfulness of sheet life.

Inactive Publication Date: 2008-02-06
TENNECO AUTOMOTIVE OPERATING CO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, external devices such as clamps or other devices must be placed in place to prevent this detrimental condition to wiper quality and blade life

Method used

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  • Encapsulated beam with anti-rotation system
  • Encapsulated beam with anti-rotation system
  • Encapsulated beam with anti-rotation system

Examples

Experimental program
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Embodiment Construction

[0088] The following description of the preferred embodiments is merely exemplary in nature and is in no way intended to limit the invention and its application or use.

[0089] Referring now to the drawings, and in particular Figures A-1 and A-2, there is shown a first embodiment of the encapsulated beam assembly 10 of the present invention. The encapsulated beam assembly 10 includes an elongate elastic member 12 having a main body 13 and a windshield wiper edge 14 pivotally connected to a base 15 of the main body by a narrow flexible neck 16 . The main body 13 further comprises a longitudinal passage 18 through which an elongated beam 29 of predetermined stiffness is inserted such that it is encapsulated by the elastic member 12 . The shape of the passageway 18 is generally complementary to the shape of the packing beam 29 so as to prevent the resilient member 12 from twisting in rotation independent of the packing beam 29 .

[0090] Figures A-3 and A-4 illustrate an altern...

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PUM

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Abstract

An improved windshield wiper blade assembly having a resilient windscreen wiping element and further comprising a longitudinal passage there through. A support beam having a predetermined curvature and shape is positioned there within the passage having a generally complementary cross section to the longitudinal passage, preventing the rotational twisting of the resilient element around the beam. A further embodiment comprises a longitudinal fluid passage along the support beam in fluid connection to a windshield fluid supply. A plurality of apertures through the resilient member in connection with the fluid passage provide for the selective discharge of the fluid upon the windscreen. A still further embodiment comprises a wind deflector portion running at least partially along the resilient member for enhanced prevention of any twisting of the resilient member around the beam and increased downward force of the wiper assembly against the windscreen.

Description

technical field [0001] The present invention relates to windshield wiper blade assemblies. More specifically, the present invention relates to resilient windshield wiper blades having encapsulated support beam members. Background technique [0002] A problem often encountered in conventional vehicle windshield wiper designs is the presence of bands or streaks on the wiped surface of the windshield. This problem is often attributable, at least in part, to the inability of the wiper assembly to apply a uniform wiping force over the entire length of the wiper blade and against the surface of the windshield. The lack of uniformity in the wiping force applied to the wiper blade is primarily due to the fact that conventional wiper assemblies have superstructures that only apply force loads to the wiper blade at relatively wide intervals. The result is that at various locations between these separated compartments, there is little, if any, available force. [0003] While the fie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60S1/38B60S1/46B60S1/40
CPCB60S2001/3817B60S2001/3836B60S1/524B60S1/3856B60S1/381B60S1/3877B60S1/3862B60S2001/382B60S1/38B60S1/3808B60S1/4006B60S1/46B60S1/40
Inventor 范·T·沃尔沃思马克·波伊勒约瑟夫·C·巴卡雷拉戴维·霍克威廉·麦克金乔治·莫瑟尔
Owner TENNECO AUTOMOTIVE OPERATING CO INC
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