| 摘要 |
645,020. Bearings. CHADBURNS (LIVERPOOL), Ltd., and BAMFORD, D. C. Oct. 28, 1947, No. 28713. [Class 12 (i)] In a pulley wheel comprising a hub part 11 and a rim part 10 rotatably mounted thereon by balls or rollers 12 which run in an adjustable V-groove 14 formed in the member 10, part of the groove 14 being formed by a member 15 screwed into the member 10, the member 15 is locked in position by a screw 16 screwed into the rim-part 10 and engaging an arcuate recess in the member 15. A plurality of such arcuate recesses may be provided. Radial holes 19 are formed in the hub part 11 for the passage of lubricant to the balls 12. |
