Patent · US Expired

Lock assembly with self retained barrel lock

US6684670B1 · kind B1 · utility

30Cited by
25References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 7, 2002
Grant dateFeb 3, 2004
Priority date
Expiry dateAug 7, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T70/7751
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A security device comprises a first component having a through first passageway surrounded by an internal first recess, and a second component having a second passageway surrounded by an internal second recess. The first and second components are configured for assembly in a mating relationship with the first and second passageways in communication with each other and in coaxial alignment. A lock has a barrel containing a spring and plunger and carrying radially shiftable locking elements, with the plunger being normally biased by the spring in one direction urging the locking elements into expanded positions protruding radially from the barrel. The barrel is insertable into and releasably retained in an unlocked position in the first passageway with the locking elements expanded radially outwardly into the first recess, and is shiftable by a forwardly applied axial force into a locked position in the second passageway with the locking elements expanded into the second recess. The first recess has a forward surface configured to coact with the locking elements in response to the forwardly applied force to exert a reactionary force urging the locking elements radially inwardly and u…

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