Cylinder lock
US5123268A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 5, 1990 |
| Grant date | Jun 23, 1992 |
| Priority date | — |
| Expiry date | Mar 5, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/7605
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cylinder lock including a housing and a plug disposed in the housing and arranged for rotation relative thereto, a first plurality of chambers formed in the housing and a second plurality of chambers formed in the plug and arranged such that each one of the first plurality of chambers extends coaxially with a corresponding one of the second plurality of chambers, when the plug is in a first rotational orientation relative to the housing, a first multi-element pin assembly being disposed in said first plurality of chambers and a second multi-element pin assembly being disposed in said second plurality of chambers, the first multi-element pin assembly including an outer pin element having an axial recess and an inner pin element disposed for selectable axial orientation relative to the outer pin element and apparatus for retaining the inner pin element against disengagement from and undesired misalignment with respect to the outer pin element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.