| 摘要 |
696,744. Hinges. THOMPSON PRODUCTS, Inc. Feb. 25, 1952, [April 14, 1951], No. 4868/52. Class 65 (ii) A pivotal connection between a first and second member comprises a portion on the first member formed with annular grooves, a pair of semi-annular bearing elements surrounding and engaging said portion, and a resilient sleeve stretched about said elements and retained in a socket portion on the second member. As shown, the idler arm 11 of the steering linkage of a motor vehicle is connected in the aforesaid manner at its respective parallel ends 16 to frame bracket 12 and a centre link 14, said ends being screw-threaded. The latter connection comprises a pair of sheet-metal shells 26 surrounding one of the ends and impressed with corresponding screw threads, the shells being forced into a rubber sleeve 25 which in turn is forced into a cylindrical socket 24 and is compressed longitudinally between radial flanges 27 on the shells and a nut 36. The longitudinal edges of the shells are turned outwardly as at 30, Fig. 2, and are spaced apart to form channels 31 supplied with lubricant by a fitting 35. The bracket 12 is formed from a tubular member, one end constituting a socket 20 and the other end being flattened to form an attachment plate 17. The socket contains a pair of sheet-metal shells 39 and a rubber sleeve 38, the outer end of the socket being closed by a washer 41 which compressses the sleeve longitudinally. The shells are spaced apart to form longitudinal lubricant channels 48 and the socket is provided with a lubricator fitting 45. The ends 16 and the shells are case-hardened. |
