Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
121 words
A swivel arm structure, comprising: a base for fixedly supporting the structure; an articulated member of three elements, the first element rotatable at its first end about the vertical axis of the base, a second element attached at its first end to a second end of the first element and rotatable about the vertical axis at such attachment, and a third element attached at its first end to a second end of the second element and rotatable about the vertical axis at such attachment; a parallel lever arrangement translatable in the vertical plane, attached at one end to the second end of the third element; and an apparatus support attached to the second, oppositely disposed end of the parallel lever arrangement.
Claim 2
Dependent Claim
121 words
A swivel arm structure, comprising: a base for fixedly supporting the structure; an articulated member of three elements, the first element rotatable at its first end about the vertical axis of the base, a second element attached at its first end to a second end of the first element and rotatable about the vertical axis at such attachment, and a third element attached at its first end to a second end of the second element and rotatable about the vertical axis at such attachment; a parallel lever arrangement translatable in the vertical plane, attached at one end to the second end of the third element; and an apparatus support attached to the second, oppositely disposed end of the parallel lever arrangement.
Claim 3
Dependent Claim
24 words
The structure recited in claim 1, wherein the parallel lever arrangement is comprised of a first tubelike lever and a second lever arranged therein.
Claim 4
Dependent Claim
27 words
The structure recited in claim 2, further including a spring element arranged within the first lever connected to act on the articulated member and the apparatus support.
Claim 5
Dependent Claim
25 words
The structure recited in claim 1, wherein the second element includes a gear arrangement for relating horizontal plane movement between the first and third elements.
Claim 6
Dependent Claim
25 words
The structure recited in claim 2, wherein the second element includes a gear arrangement for relating horizontal plane movement between the first and third elements.
Claim 7
Dependent Claim
32 words
The structure recited in claim 4, wherein the gear arrangement includes a pair of meshing gears in the second element which further individually mesh gear teeth on the first and third elements.
Claim 8
Dependent Claim
32 words
The structure recited in claim 5, wherein the gear arrangement includes a pair of meshing gears in the second element which further individually mesh gear teeth on the first and third elements.