Patent · US Expired

Self-centering liquid spring assembly and constructions thereof

US5890705A · kind A · utility

4Cited by
14References
32Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 20, 1995
Grant dateApr 6, 1999
Priority date
Expiry dateSep 20, 2015

Classification

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

Abstract

A self-centering spring assembly including a liquid spring having a cylinder and a piston, a casing slidably mounted on the cylinder and having the outer end of the piston connected thereto, a first pivotal connector between an extension of the cylinder and a bracket member and a second pivotal connection between a member extending laterally of the casing and an external member, the second pivotal connection lying outwardly of the first pivotal connection. The foregoing basic structure plus a liquid spring axially mounted thereon. The foregoing basic structure plus a resilient rubber sleeve mounted between the liquid spring and an external sleeve which supports a member.

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