Patent ID: 7811038
Filing Date: 2010-10-12
Classification: F16B

Abstract:
1. A self-locking nut, comprising: a nut comprising (i) a substantially cylindrical opening through the center thereof with threads that are adapted to engage with corresponding threads of a spindle, and (ii) at least one cavity; a washer comprising (i) a substantially cylindrical opening through the center of the washer, and (ii) a locking feature located between an outer circumference of the washer and the cylindrical opening, the locking feature comprising a plurality of ridges located on an outer circumference of the locking feature; and at least one locking tab located at least partially within said cavity and coupled to said nut with an interference fit, said locking tab slidably coupling the nut to the washer and engaging with the ridges on the outer circumference of the locking feature to resist rotation of the nut with respect to the washer.