Key and rotary cylinder lock with key
US10125520B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 9, 2014 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Sep 4, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05B35/003
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A key (1) for a rotary cylinder lock (2) comprises a key grip (3) and a key shank (4), which adjoins the key grip (3) and extends along a longitudinal axis (L), wherein the key shank (4) has, on its outside (5), control recesses (10), in particular control bores, for properly positioning tumblers on the rotary cylinder lock (2) and also has at least one control element (6) arranged in a movable manner in the key shank (4), which control element (6) has a control surface (8), which interacts with a tumbler (7) of the rotary cylinder lock (2). Furthermore, the key is characterized in that the key shank (4), in the region of the control element (6), has a tapered cross section (9), which is tapered in relation to the cross section (11) with the control recesses (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.