| 摘要 |
<p>A locking nut (4) having a threaded main bore for receiving a threaded portion (2), which lock nut has a number of oblique bores (6) in each of which is inserted a locking pin (8) for engagement with its forward end against the threaded portion (2), the oblique bore (6) and the associated locking pin (8) having common longitudinal axis extending at substantially the same angle to the axis of the threaded main bore as one of the flanks (7) of the thread of said threaded main bore, whereby the forward end of the lock nut thereby having at least one flank (9) substantially parallel to said longitudinal axis and which can lie substantially parallel to the portions of said one flank (7) of said threaded main bore adjacent the inner end of the oblique bore, wherein the locking pin (8) is a substantially cylindrical body having along its envelope surface a plurality of evenly spaced apart axially extending serrations or grooves (12) facilitating introduction of the pin (8) in its associated bore (6). <IMAGE></p> |
