Spring for a free-wheel device and assembly comprising such a spring
US4766987A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 23, 1986 |
| Grant date | Aug 30, 1988 |
| Priority date | — |
| Expiry date | Jun 23, 2006 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2041/0605
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Spring for a free-wheel device with wedging cams, of the type comprising a series of main undulations (8) provided with apertures (9) for allowing the cams (2) to pass through and for holding them, and a plurality of tilting tongues (12) each acting on one of the side faces of a cam in the direction assisting the wedging action, characterized in that the rear edge of each aperture has a flat portion (10) folded back towards the outside and capable of bearing against a surface portion (22) of the rear side of the cam, the tilting tongue (12) being located on the side where the front edge of the aperture (9) is located.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.