Class 411/958 - Coiled washer

Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Art collection under art collection 957 wherein the projections
No. of patents: 3
Last issue date: 12/01/1987

Number	Title	Issue Date
4710081	Self-locking resilient or non-resilient element For achieving improved securing effect in use with oil or wax coated contact surfaces, a self-locking resilient or non-resilient element, such as a spring-ring or a washer, has wall-like protrusions extending on each major surface from the inner to the ou...	12/01/1987
4065979	Traveling nut stop assembly A stop assembly for limiting relative rotation comprising inner and outer coaxial members relatively rotatable but longitudinally fixed with respect to each other. The outer member at least partially surrounds the inner member and is at least partially ra...	01/03/1978
4004486	Quick release fastener A fastener assembly for use in the blind fastening of first and second parts having aligned apertures extending therethrough with the aperture in the second part being larger than the aperture in the first part. A stud member with a screw threaded shank i...	01/25/1977

PatentStorm