Cylindrical lock
US8256253B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 19, 2011 |
| Grant date | Sep 4, 2012 |
| Priority date | — |
| Expiry date | Jul 20, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/7712
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A kind of cylindrical lock, this lock able to be installed on a door, includes: one transmission structure which can operate a drive base, this drive base gearing a latch mechanism; this latch mechanism having: one tubular shaped element, which can be coupled to a handle for actuation; a tube, which can be rotated and inserted into the tubular shaped element; one pushing part, having one side with at least one pushing section, this pushing section able to push the drive base at the appropriate time; a collar, which can be set on one end of the tubular shaped element, a meshing section formed on one end of the collar; an engaging element, partly installed in this pushing part, one meshing section formed on this engaging element, and this engaging element having at least one pushable section; one rotating part, having at least one pushing portion, each pushing portion at the appropriate time pushing the adjacent pushable section of the engaging element; one lock set, having a lock core linked to one transmission part; rotating this lock core to move from the beginning position at an angled position in a predetermined direction back to the beginning position, the transmission part of …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.