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Home Communications Suspension-system-for-video-monitor-or-other-equipment

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Details
Inventors: Sweere, Harry C.; Voeller, Donald M.; Wucherpfenning, Fredrick D.;
Assignee: Ergotron, Inc. (Eagan, MN)
Primary Examiner: Braun; Leslie A.
Assistant Examiner: Baxter; Gwendolyn W.
Attorney, Agent or Firm: Jaeger; Hugh D.

A suspension system having a four bar linkage system including an angled arm for adjustable and positionable vertical and horizontal support of a video monitor or the like. A weight counterbalance adjustment mechanism adjustably compensates for various weights of a load held by the angled arm. Gas springs provide for vertical support of the angled arm. Configured slots in which the upper ends of the gas springs position provide for minimal manual positioning effort and a linear counterbalance throughout the entire range of vertical adjustment. An arm bent at an angle of 120.degree. overcomes the traditional interference of the load with movement of the arm beyond 45.degree..

DETAILED DESCRIPTION The general purpose of the present invention is to provide a suspension system for the support of a video monitor or other equipment.
According to one embodiment of the present invention, there is provided a suspension system for a video monitor or associated devices, including a vertically aligned swiveled major bracket, an angled support arm pivotally attached to the major bracket, a minor bracket pivotally attached to one end of the angled support arm, bar linkages between the major and minor brackets which maintain horizontal stability of the minor bracket so that a suspended load remains plumb, and a weight counterbalance assembly which includes a weight counterbalance adjuster mechanism secured to the underside of the angled support arm, arced slots in the weight counterbalance adjuster mechanism, and gas springs supporting the weight counterbalance adjuster mechanism, the angled support arm, and its suspended load, such as a video monitor.
One significant aspect and feature of the present invention is a suspension system which pivots about a vertical axis.
Another significant aspect and feature of the present invention is a suspension system having a vertical angular motion adjustment of 90.
degree.
.
The resulting moment on the support mechanism is varied between a short moment, a longer moment, and then a shorter moment as the angled support arm is positioned vertically.
Another significant aspect and feature of the present invention is that the vertical range of movement of the system is greater than the length of the angled arm.
For example and illustration, an angled arm of 22" in length provides for a vertical movement of 30".
Yet another significant aspect and feature of the present invention is the use of a four bar linkage system to maintain vertical orientation of a bearing mount containing a tilt and swivel mount in which a monitor support bracket or caddy is secured and suspended.
Still another significant aspect and feature of the present invention is the use of a weight counterbalance adjuster mechanism having algorithm derived or computer analysis derived arced slots


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