| 摘要 |
1,112,917. Cams. ATELIERS ROANNAIS DE CONSTRUCTIONS TEXTILES. 12 Nov., 1965 [13 Nov., 1964], No. 48210/65. Heading F2K. A rotary cam disc 1 has a grooved periphery 3 having side walls 4, 5 against which bear rollers 6, 7 supported on a bar 1a which is adapted to be reciprocated thereby. The rollers 6, 7 are carried by bearing blocks 6b, 7b which are forced apart by a compression spring 8 arranged on a thickened portion 1b of the bar 1a In a modification, rollers 13, 14, Fig. 2, engage the side faces of a helical rib 10a and are urged together by a tension spring 16. |
