| 摘要 |
<p>A self-locking nut including a metallic nut body having first and second opposite ends and an internal screw thread of predetermined nominal major and minor diameters located between said ends. A first axial end adjacent said first end of said body is adapted to be entered by a complementary externally threaded member. The body further has a well portion in open communication with and extending axially from said second end of said body toward said thread, said well portion having a circumferentially continuous internal surface facing the thread axis and spaced therefrom a distance greater than one-half the major thread diameter. A self-locking bushing of thread impressionable thermoplastics material has a first portion within said well portion and a second portion on said nut thread. The selflocking bushing has an external surface secured by adhesion to the internal surface of said well portion and to said nut thread and an internal surface confronting the thread axis and spaced therefrom a distance less than one-half the major thread diameter.</p> |
