An equipoise armature comprises a parallelogram with a bridge piece positioned at a centroid based on the weight of a supported article and counterweight, to enable pivotal mounting of the armature to the bridge piece. The armature is adapted to carry an article, such as a lamp, a magnifier, a displ
An equipoise armature comprises a parallelogram with a bridge piece positioned at a centroid based on the weight of a supported article and counterweight, to enable pivotal mounting of the armature to the bridge piece. The armature is adapted to carry an article, such as a lamp, a magnifier, a display, etc., for positional movement of the article.
대표청구항▼
1. An equipoise armature, comprising: a parallelogram member including first and second central arms and first and second end arms, wherein said first and second central arms and said first and second end arms are respectively pivotally connected at ends thereof;a bridge member connecting said first
1. An equipoise armature, comprising: a parallelogram member including first and second central arms and first and second end arms, wherein said first and second central arms and said first and second end arms are respectively pivotally connected at ends thereof;a bridge member connecting said first central arm and said second central arm at positions other than ends of said first central arm and said second central arm,further comprising a member supported at a first end of said first end arm and a counterweight supported at a first end of said second end arm,wherein a second end of said first end arm connects to a first end of said first central arm and wherein a second end of said second end arm connects to a first end of said second central arm, andwherein said first end arm connects to a second end of said second central arm at a position away from either end of said first end arm and wherein said second end arm connects to said second end of said first central arm at a position away from either end of said second end arm. 2. A method of providing an equipoise armature, comprising: providing a parallelogram member including first and second central arms and first and second end arms, wherein said first and second central arms and said first and second end arms are respectively pivotally connected at ends thereof;connecting said first central arm and said second central arm at positions other than ends of said first central arm and said second central arm by use of a bridge member,further comprising providing a member supported at a first end of said first end arm and providing a counterweight supported at a first end of said second arm,wherein a second end of said first end arm connects to a first end of said first central arm and wherein a second end of said second end arm connects to a first end of said second central arm, andwherein said first end arm connects to a second end of said second central arm at a position away from either end of said first end arm and wherein said second end arm connects to said second end of said first central arm at a position away from either end of said second end arm. 3. The method according to claim 2, wherein said bridge member is pivotally connected to said first central arm and said second central arm. 4. The method according to claim 2, further comprising providing a mounting arm carrying said bridge member for mounting said armature to a support. 5. The method according to claim 4, wherein said mounting arm is adapted for rotational movement about a base plane. 6. The method according to claim 2, wherein said positions where said bridge member connects to said first and second central arms is defined based on a centroid of weight of said member and said counterweight. 7. The method according to claim 2, further comprising providing a member for movable support by said armature, said member selected from the group comprising a lamp, a display, and a magnifier. 8. An equipoise armature, comprising: a support arm having a first length;a counterweight arm having a second length;a pair of central arms, said central arms connected pivotally at first ends to said support arm at positions spaced apart a distance along said first support arm, said central arms connected pivotally at second ends to said counterweight arm at positions spaced apart said distance along said counterweight arm; anda bridge member arm pivotally connecting said pair of central arms at positions along said central arms away from ends of said central arms,wherein, said support arm, said counterweight arm and said bridge member arm are parallel to one another, and said pair of central arms are parallel to one another.
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이 특허에 인용된 특허 (10)
Hirschhorn, Bruce D., Adjustable support arm for audio visual device.
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