Patent · US Expired

Magnetic coupling

US4940452A · kind A · utility

15Cited by
1References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 16, 1988
Grant dateJul 10, 1990
Priority date
Expiry dateAug 16, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T403/1608
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A magnetic coupling for translatorily movable bodies that is made in one position, is arranged so that it can be broken, without external control, in another position. For this purpose the first body has a coupling element of permanently magnetic or magnetizable material, the second body has at least one complementary coupling element of permanently magnetic or magnetizable material, and a third body has a coupling element of permanently magnetic or magnetizable material cooperating with the second body. Arranged between the complementary coupling element of the second body and the coupling element of the third body that is a spacer which can be moved as desired between the working positions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.