Patent · US Expired

Two piece blind fastener with lock spindle construction

US4863325A · kind A · utility

27Cited by
12References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 28, 1982
Grant dateSep 5, 1989
Priority date
Expiry dateSep 28, 2002

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16B19/1054
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A two piece blind fastener for securing a plurality of workpieces including a hollow sleeve having an enlarged sleeve head at one end, a pin having an enlarged pin head, the pin having a pin stop shoulder and a lock groove located near the pin stop shoulder, the pin head adapted to engage the sleeve to form a blind head in response to a relative axial force applied between the pin and sleeve, the pin stop shoulder adapted to engage the stop shoulder with the material of the sleeve stop shoulder being directed substantially radially inwardly into the lock groove to lock the pin and sleeve together and to finally form a stop surface on the sleeve for stopping axial movement of the pin through the sleeve.

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