Rotary device of variable diameter
US6248035A · kind A · utility
16Cited by
5References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 14, 1999 |
| Grant date | Jun 19, 2001 |
| Priority date | — |
| Expiry date | Sep 14, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H55/56
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A rotary device comprising two elements (12, 20/22) supported for rotation about an axis (11) and movable relative to one another along said axis, and diaphragm spring means (33) urging said elements axially relative to one another, said diaphragm spring means having radially inner and outer portions connected respectively to said elements and arranged such that said elements are constrained to movement in opposite directions by the same or substantially the same distance as one another about an axially fixed position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.