Patent · US Expired

Device for locking rod against movement in extending and contracting directions

US4657425A · kind A · utility

27Cited by
4References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 25, 1986
Grant dateApr 14, 1987
Priority date
Expiry dateFeb 25, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T403/32426
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A device for locking a rod against movement in an extending or contracting direction is disclosed. In the device, a torsion spring is provided between a cylindrical receptacle and an operating member rotatably mounted thereon. The rod member, which is inserted in the receptacle, is normally locked against movement by the torsion spring. The rod can be released from the locked state for movement in an extending or contracting direction by releasing the clamping force of the spring by turning the operating member.

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