| 摘要 |
894,876. Bearings. GRETSCH-UNITAS G.m.b.H. Jan. 4, 1961 [Feb. 16, 1960], No. 340/61. Class 12 (1). A pair of synthetic resinous rollers 11 are secured to a spindle 12, rotatably mounted in a ball bearing 1. The bearing is carried by a split casing 2, having spigots 4 fixed to, or rotatable in, synthetic resinous bushes 5 and riveted at 4<SP>1</SP> to a yoke 6. Shaft 12 may be screwed or riveted to the rollers, and the latter may support a door 7 for sliding movement on a rail 14. |
