| 摘要 |
1. Shackle of which the two limbs (11a and 11b) or (24a and 24b) each comprise a non-tapped hole (12a, 12b) or (25a, 25b) for the passage of a shackle pin (26), the two holes (12a and 12b) or (25a and 25b) being coaxial, and on the one (11b) or other (24b) of the arms of which is mounted an apertured washer (13, 18 or 31), characterised in this that the washer (13), (18) or (31) is provided with a tapped bore (14), (19) or (32) and is freely mounted on the said arm (11b) or (24b) in such a manner that its tapped bore (14), (19) or (32) is approximately coaxial with the non-tapped hole (12b or 25b) of the said limb. |
