Patent · US Expired

Self-centering column assembly employing liquid spring and structures containing such columns

US6042094A · kind A · utility

5Cited by
17References
31Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 2, 1997
Grant dateMar 28, 2000
Priority date
Expiry dateJul 2, 2017

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16F2230/38
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A self-centering spring assembly which is a column located between first and second vertically spaced frame members including a first end on the column movably secured to the first frame member, a second end on the column secured to the second frame member, a member having a first end movably mounted on the column and a second end in movable engagement with the first frame member, and a liquid spring connected between the second end of the movable member and the column.

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