摘要 |
<p>PCT No. PCT/GB86/00344 Sec. 371 Date Jan. 25, 1988 Sec. 102(e) Date Jan. 25, 1988 PCT Filed Jun. 13, 1986 PCT Pub. No. WO87/07687 PCT Pub. Date Dec. 17, 1987.The device comprises a sleeve (10,10') which serves to cover the polygonal head (4) of a wheel nut or bolt. The sleeve supports a lock cylinder (18) from which a locking member (28,36) projects for co-operating with a radial shoulder (6,6') formed in the head (4). The locking member (28,36) is retracted by means of a key (24) rotating the cylinder plug (20,20'). The sleeve (10,10') can be pushed on to the head (4) without using the key (24). The locking member (28,36) may be constituted by a latch (28) or annular spring (36).</p> |