Three degree of freedom clamp

Abstract

A clamp assembly can support a member, in particular a light fixture or light filtering, blocking of reflecting member, on a support such as a stand, table top, shelf or the like, and permit three degrees of freedom between the member and the support. The assembly includes a first clamp arm having a mating side and an attachment side opposite from the mating side and a second clamp arm having a mating side and an opposite attachment side. A pivot journal connects the first and second arms to each other with the mating sides facing each other for rotation of the first clamp arm with respect to the second clamp arm about a first axis extending through the mating sides and journal. A hand crank or screw fixes a relative rotational position between the first and second clamp arms with respect to the first axis. A clamp is connected to the attachment side of the first clamp arm for connecting the first clamp arm to a support or member, the clamp being rotatably connected to the first clamp for rotation about a second axis which is at a non-zero angle to the first axis. A holding mechanism at the attachment side of the second clamp connects the second clamp arm to a member or support. The holding mechanism permits rotation about a third axis which is at a non-zero angle to the first axis so that the clamp and the holding mechanism permit relative positioning of the support and the member with three degrees of freedom.