Reels for medical traction applications
US4130250A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 1977 |
| Grant date | Dec 19, 1978 |
| Priority date | — |
| Expiry date | Sep 19, 1997 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B21/16
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A reel for use upon a cylindrical support on plaster jacket bedframes incorates a ratchetless anti-reverse mechanism which is readily disengageable and which permits continuous adjustment of the position of the reel upon the bedframe. The anti-reverse mechanism comprises a close wound helical spring which has a free diameter less than the diameter of the cylindrical support. The spring is mounted on the cylindrical support and attached by one of its ends to a spool rotatably mounted on the cylindrical support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.