Patent · US Expired

Canted coil springs various designs

US7055812B2 · kind B2 · utility

74Cited by
27References
32Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 29, 2003
Grant dateJun 6, 2006
Priority date
Expiry dateSep 29, 2023

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16F1/045
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A coil spring includes a plurality of primary wire coils and a plurality of secondary wire coils, the primary and secondary coils being contiguous and differentiated from one another by a dimensional size in order to provide variable force and variable deflection.

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