Patent · US Expired

Threaded fastener assembly

US4432682A · kind A · utility

35Cited by
34References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 4, 1978
Grant dateFeb 21, 1984
Priority date
Expiry dateDec 4, 1998

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16B33/02
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

In a fastener assembly of the type in which both the internal and external threads have wedge ramp root and crest sections, one of the thread forms is asymmetric so that its following flank has a different flank angle than its leading flank and different from the corresponding following flank of the other thread.

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