Patent ID: 6505825
Filing Date: 2003-01-14
Classification: B25B

Abstract:
A work holder support arm for supporting a work article at a desired orientation with respect to a support structure, the work holder arrangement comprising:a first clamp member having clamped and unclamped states for coupling with the support structure, said first clamp member having an opening therethrough for accommodating the support structure, and further having a through-hole arranged transverse to the opening; a shaft portion coupled to said first clamp member, said shaft portion having a longitudinal bore therethrough, the longitudinal bore being arranged to be axially in registration with the through-hole of said first clamp member, said shaft portion having a radially outward protuberance; a second clamp member for coupling with the work article, said second clamp member having clamped and unclamped states; a tube portion coupled to said second clamp member for accommodating telescopically therewithin said shaft portion, said tube portion having a radially inward annular protuberance; an expansion portion arranged to communicate coaxially with said shaft portion within said tube portion for ensuring that the radially outward protuberance of said shaft portion communicates with the radially inward annular protuberance of said tube portion to prevent axial separation of said shaft and tube portions, said expansion portion having a threaded section; and elongated means having a threaded portion for engaging with the threaded section of said expansion portion and applying an axial force thereto, whereby upon the application of the axial force, said expansion portion is urged transaxially against an interior surface of said tube portion, and the selected one of said first and second clamp members simultaneously is urged into the clamped state.