| 摘要 |
PCT No. PCT/GB83/00021 Sec. 371 Date Sep. 30, 1983 Sec. 102(e) Date Sep. 30, 1983 PCT Filed Jan. 31, 1983 PCT Pub. No. WO83/02633 PCT Pub. Date Aug. 4, 1983.A connector 11 for connecting tubular bars at variable mutual angles by means of a spherical attachment member 13 with tapped holes 26. The connector 11 has a lockable ball 31 and socket 32 joint from which a bolt 23 extends for engagement in the tapped holes 26. The connector also has a lockable snap-fit assembly 24 arranged to engage a tubular bar located over the body of the connector 11.
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