Patent · US Active

Door drive

US10006236B2 · kind B2 · utility

14Cited by

6References

13Claims

0Family size

Assignee

DORMAKABA DEUTSCHLAND GMBH · DE

Inventors

Alexander Hellwig · Ennepetal, DE
Volker Bienek · Dortmund, DE
Thomas Wildförster · Schwelm, DE
Thomas Salutzki · Ennepetal, DE

Key dates

Filing date	Jun 8, 2016
Grant date	Jun 26, 2018
Priority date	—
Expiry date	Sep 5, 2036

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE05Y2900/132
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A door drive includes a housing and at least one regulating valve for the adjustable regulation of a fluid flow within the door drive.The one regulating valve or at least one of the several regulating valves includes two ends with respectively one engaging part, in particular for a tool, wherein the one regulating valve or the regulating valves extend/s in such a manner through the housing that the engaging parts for adjusting the one regulating valve or the regulating valves may be manipulated from outside the housing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.