Patent · US Expired

Reels for medical traction applications

US4130250A · kind A · utility

1Cited by
6References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 19, 1977
Grant dateDec 19, 1978
Priority date
Expiry dateSep 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.