Patent ID: 9213222
Filing Date: 2015-12-15
Classification: F16M,G03B

Abstract:
1. A tripod head having an upper surface suitable for holding an imaging device thereon being supported by a tripod comprising: (a) said upper surface of said tripod head being movable to position said imaging device at a desired orientation; (b) a control arm affixed to said tripod head and movable in a two-dimensional arc, without being movable in three-dimensions over said two-dimensional arc, relative to said upper surface of said tripod head; (c) said control arm having selectable resistance to said movement along said two-dimensional arc as a result of selectively increasing or decreasing the resistance between at least three friction plates having surfaces in face-to-face engagement with one another, such that said movement of said upper surface of said tripod head relative to the orientation of said control arm has said selectable resistance.