| 摘要 |
1,212,302. Bowden cables. NORTH AMERICAN ROCKWELL CORP. 17 Feb., 1969 [5 July 1968], No. 8450/69. Heading F2K. [Also. in Division D1] A core for a push-pull cable comprises an inner member 18a having strands 20a and one or more ribbons 31 of substantially D-shape in cross-section wrapped helically about the inner. member 18a. The ribbons 31 may have crosssections as shown in Figs. 9, 10 or 11, the base 32 in each case tending to be convex so that grooves 38, formed by contact with the strands 20a when the core is subjected to swaging, are formed only in the middle portion of the base 32. The core is secured to an end rod 45 and is disposed in a casing 12 comprising a plastics tube 14 surrounded by a plurality of helical wires 13 and an outer cover 15. |
