Small-angle latch system for a lock
US11585115B2 · kind B2 · utility
0Cited by
13References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2018 |
| Grant date | Feb 21, 2023 |
| Priority date | — |
| Expiry date | Apr 22, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05C1/12
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A small angle latch is disclosed which moves a latch bolt from a fully extended position to a retracted position wherein the latch bolt is substantially flush with an outer surface of a faceplate through a rotation of an input device, such as a lever, in the range of from about 25 degrees to about 35 degrees, without exceeding a maximum torque upon the input member of 28 inch-pounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.