Class 411/240 - Comprising teeth of the ramp and buttress type

Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Device wherein the surface configurations formed on each
No. of patents: 2
Last issue date: 03/28/2000

Number	Title	Issue Date
6041671	Miniature anti-backlash nut assembly An anti-backlash mechanism is described in the form of a pair of nuts or nut halves with internal threads complementary to the threads on a lead screw. The mechanism is traslated by rotation of the screw. One of the nuts has an outer cantilevered wall wit...	03/28/2000
5439337	Lock nut In order to provide a lock nut having a high reliability free from loosening, three nuts are used. The nut closest to the bolt head and the intermediate nut are engaged with each other in only the peripheral direction and do not come into surface-contact ...	08/08/1995

PatentStorm