| 摘要 |
<p>1,173,708. Draw-bars. E. G. RICKARDSSON. 4 June, 1968 [2 June, 1967], No. 26441/68. Heading B7T. A draw-bar comprises two beams 1 connected between their ends by a -bolted cross-bar 8 and at adjacent ends, to form a V-shape, by a pair of flanged members 5, each member being welded to a respective beam and of semicylindrical configuration to form a sleeve which encloses a draw-ring bolt 4, the members 5 being detachably connected by bolts. The bolt is prevented from being withdrawn from the sleeve by a nut 11.</p> |
