Support arm

  • US 6,041,548 A
  • Filed: 06/25/1998
  • Issued: 03/28/2000
  • Est. Priority Date: 06/25/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A support arm comprising:

  • a first link comprising a first pivotable mounting element having a first pivot axis, the first link being pivotable about the first pivot axis;

    a second link comprising a second pivotable mounting element having a second pivot axis;

    a pivot interconnecting the first and second links, the pivot having a third pivot axis, the first and third pivot axes being substantially parallel, the first and third pivot axes being spaced apart;

    a biasing element secured to the first link at a first joint and to the second link at a second joint;

    said first and second joints disposed on opposite sides of a plane extending between the third pivot axis and the second pivot axis, the second and third axes lying in the planewherein a longitudinal central axis of at least one segment of each of the first link, second link and a substantial portion of the biasing element are aligned with respective first, second and third planes, wherein the first, second and third planes are parallel to one another, non-intersecting, and perpendicular to the third pivot axis, and wherein the substantial portion of the biasing element is disposed intermediate the first and second planes.

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