Elastic shaft joint
US6283867A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1999 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Dec 7, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D3/387
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An elastic shaft joint includes: a tube shaft; a shaft coaxially inserted in the tube shaft so that a predetermined axial region of the shaft overlaps with a predetermined axial region of the tube shaft; and a damper inserted between the predetermined axial region of the shaft and the predetermined axial region of the tube shaft for damping vibration and providing an elastic play in a rotation direction. The damper includes: an inner tube fitted to an outside of the predetermined axial region of the 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 the tube shaft so as to form a desired gap opposite to the inner tube, and having recesses engaging with the respective projections of the inner tube with a gap in the rotation direction; and an elastic body bonded to an inner surface of the recesses of the outer tube in a state of non-contact with at least the projections of the inner tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.