Improvements relating to tubular joints and their manufacture

摘要

958,706. Furniture joints. CHARLES SHOEBOTHAM Ltd. Feb. 25, 1963 [Feb. 27, 1962], No. 7526/62. Heading A4W. [Also in Division F2] A joint, for example, for furniture, between two tubes a, a1 at right angles to one another includes a socket piece c of a plastic, and adapted to receive or partially receive one tube a and shouldered or reduced at c2 to receive the tube a at right angles thereto, the socket piece being axially drilled for the reception of a fastening screw b which passes through the tube a and is engaged by the screw-thread thereof with a dished washer d. The latter, upon rotation of the screw, is flattened and expanded laterally on to the wall of the tube a1 to secure that tube and the socket piece tightly against the tube a.