| 摘要 |
<p>505,291. Locking nuts. LEHRE, F. Feb. 1, 1938, No. 3118. Convention date, Sept. 28, 1937. [Class 89 (i)] A self-locking nut is divided into three sections 5, 6, 7 by means of two sets of opposed lateral cuts 1, 2 and 3, 4 displaced at right-angles to each other, the middle section being connected to the upper and lower sections by means of diametrically opposed pairs of members 8 and 10 displaced at right-angles to each other. The lower surface of the nut may be formed with an annular shoulder surrounding the threaded bore.</p> |
