Door closer adjustment with backout discouragement
US11732516B2 · kind B2 · utility
0Cited by
11References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2021 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Dec 22, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B2200/95
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An exemplary door closer includes a body, a regulation screw, and an indicator. The body includes a surface and a cavity extending from the surface into the body, and the cavity includes an internal threading. The regulation screw is mounted in the cavity and includes an external threading engaged with the internal threading. The indicator is engaged with the regulation screw and positioned at least partially within the cavity. The indicator is positioned to project beyond the surface when the regulation screw is withdrawn to a reference position relative to the body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.