Patent · US Expired

Screw with sleeve

US6309157A · kind A · utility

23Cited by
6References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 24, 2000
Grant dateOct 30, 2001
Priority date
Expiry dateMay 24, 2020

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16B41/002
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A screw-sleeve element has a screw having a screw shaft and a threaded region formed so that the screw shaft has a smaller diameter than an outer diameter of the threaded region; and a sleeve provided at an inner side with a narrow location having a diameter which is smaller than the outer diameter of the threaded region of the screw, so that the sleeve is non releasably arranged on the screw.

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