Patent ID: 6283867
Filing Date: 2001-09-04
Classification: F16D,F16F

Abstract:
An elastic shaft joint comprising:a tube shaft;a shaft coaxially inserted in said tube shaft so that a predetermined axial region of said shaft overlaps with a predetermined axial region of said tube shaft; anda damper inserted between the predetermined axial region of said shaft and the predetermined axial region of said tube shaft for damping vibration and providing an elastic play in a rotation direction,wherein said damper includes:an inner tube fitted to an outside of the predetermined axial region of said shaft and having radially outwardly extending projections at a number of places in a circumferential direction of an outer circumferential surface thereof;an outer tube fitted to an inside of the predetermined axial region of said tube shaft so as to form a desired gap opposite to said inner tube, and having recesses engaging with the respective projections of said inner tube with a gap in the rotation direction; andan elastic body bonded to an inner surface of the recesses of said outer tube in a state of non-contact with at least said projections of said inner tube.