Spring adjusting device for a door actuating device
US9447622B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 11, 2014 |
| Grant date | Sep 20, 2016 |
| Priority date | — |
| Expiry date | Dec 18, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2201/499
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A door actuating device, including a housing, at least one drive unit which is disposed in the housing and can be coupled to a door leaf, and at least one spring energy accumulator, which is in operative connection with the drive unit, and which includes a spring disposed therein under spring pretension, wherein the spring pretension of the spring is realized by means of a spring adjusting device, which includes at least one screwed sealing plug, which can be connected to the housing, and an adjusting nut, where a cylinder is configured at the screwed sealing plug and oriented towards the spring, at which cylinder the adjusting nut is linearly guided, where a setting element which is guided by means of the screwed sealing plug and, at least in sections, can be brought non-positively and positively into engagement with the cylinder, and which bears against the adjusting nut, serves for adjusting the spring pretension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.