Lock structure of dual protection
US9262875B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Apr 15, 2015 |
| Grant date | Feb 16, 2016 |
| Priority date | — |
| Expiry date | Apr 15, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/713
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A lock structure of dual protection includes a lock core rotating shaft, swing rod, push rod, brake shoe and handle rotating shaft coupled pivotally to a door handle configure on a lock, wherein a first latch element is configured above the swing rod, and a second latch element at one side of the handle rotating shaft, allowing the first latch element and second latch element to be in respective connection with indoor and outdoor card readers through a control circuit. Whereby, the lock must be unlocked by swiping an access card outdoors or indoors while being locked, and a user is allowed to turn a door handle to unlock the lock indoors or outdoors by means of the motion of the first latch element of second latch element subjected to or released from magnetic suction while the access card is swiped so that the dual protection can be achieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.