Patent · US Expired

Devices, methods, and systems for rekeying a lock assembly

US6871520B2 · kind B2 · utility

43Cited by
50References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 7, 2003
Grant dateMar 29, 2005
Priority date
Expiry dateMar 7, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T70/774
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

Certain exemplary embodiments of the present invention provide a rekeying system comprising: a rekeyable lock cylinder comprising: a cylinder body; a plug assembly disposed in the cylinder body and comprising a plurality of pins and a one-to-one corresponding plurality of racks for relocating the plurality of pins; and a rekeying tool receiving aperture defined by the rekeyable lock cylinder; and a rekeying tool comprising: a base plate; and a plurality of spaced elongated prongs, each prong from the plurality of prongs comprising a first longitudinal end adapted to engage a corresponding one of the plurality of racks, each prong from the plurality of prongs dimensioned lengthwise to relocate to a first predetermined position the corresponding one of the plurality of racks, the first predetermined position common to each of the plurality of racks, each prong from the plurality of prongs comprising a second longitudinal end connected to the base plate.

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