Patent · US Expired

Pin type fastener usable with swage collar to form a joint

US4519736A · kind A · utility

8Cited by
8References
17Claims
0Family size

Inventor

Key dates

Filing dateMay 7, 1982
Grant dateMay 28, 1985
Priority date
Expiry dateMay 7, 2002

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16B19/05
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A fastener in accordance with this invention is a pin member usable with a collar to fasten a joint. The pin member comprises a head and an integrally formed shank extending therefrom. The shank includes a locking portion formed with a plurality of ribs separated from each other by locking grooves, the depth of which are all substantially equal to each other. At least one of the ribs is formed with a portion symmetrical about a line extending at a right angle to the axis of the shank and a portion asymmetrical about that line. Preferably all of the ribs have a radiused crest.

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