| 摘要 |
345,539. Rectilinear - motion bearings. AUTOSET CLAMP CO., Ltd., TOWNSEND, C. R., and SKINNER, J. G., 19, Charlotte Street, Birmingham. April 29, 1930, No. 13121. [Class 12 (i).] In a three-part telescopic side-support for drawers or sliding shelves, the middle bar c carries three rollers f, g, h and the bearer bar a a fourth roller e. The outer bar d rides over the rollers f, g, which have fixed pivots, and beneath the roller h which has limited longitudinal freedom in a guide h3 on the middle bar. The latter is supported by the rollers f, g, and at its rear end contacts with the roller e which can also travel longitudinally on the bearer bar. Pivoted catches i, j prevent accidental separation of the outer and middle bars respectively. |
