Patent ID: 6059486
Filing Date: 2000-05-09
Classification: F16B,F16D,Y10T

Abstract:
A key washer in combination with a pair of concentric parts for interconnecting said concentric parts, said key washer being formed by a metal ring having an outer circumferential edge and an inner circumferential edge, two or more formation means in said inner circumferential edge and adapted to mate with mating means of an inner one of said concentric parts, said outer circumferential edge having a plurality of straight flat sections for mating engagement with inner flat surface sections of an outer one of said concentric parts, said flat sections being disposed in side-by-side relationship about said entire outer circumferential edge, there being more of said flat sections than said inner flat surface sections of said outer one of said concentric parts, said metal ring preventing relative rotation between said concentric parts.