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Windscreen wiper arm

  • US 8,141,198 B2
  • Filed: 09/19/2006
  • Issued: 03/27/2012
  • Est. Priority Date: 10/10/2005
  • Status: Active Grant
First Claim
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1. Windshield wiper arm (10) having a wiper arm for attaching a wiper blade (6) with or without a spoiler, characterized in that, the wiper rod (41) is comprised of a freely projecting, first arc-shaped wiper rod section (1) with a first curvature progression, to which the wiper blade (6) is attachable, and of at least one second arc-shaped wiper rod section (2) curved along its length with a second arc-shaped curvature progression, which directly adjoins the first wiper rod section (1) to form a first flexion point (12), characterized in that, the second arc-shaped wiper rod section (2) is bent back on one side into a bent back arc-shaped wiper rod section (3) as a two-spoke dual spring system, in which, in an applied state of the wiper arm, the bent-back wiper rod section (3) is curved along its length and runs in a layer plane above or below a positional plane of the second arc-shaped wiper rod section (2) essentially congruent to the second arc-shaped wiper rod section (2) as well as with approximately the same curvature progression as said second wiper rod section along a presentable longitudinal section, a tangential extension of the first arc-shaped wiper rod section (1) and a tangential extension of the second arc-shaped wiper rod section (2) enclose an angle (11) of between 90°

  • and 180°

    , in area of the flexion point (12) as viewed from a side opposite from a wiping edge of the wiper blade (6).

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