Patent · US Active

Door actuator with an actuator unit

US8601744B2 · kind B2 · utility

14Cited by

6References

15Claims

0Family size

Assignee

Dorma GmbH + Co. KG · DE

Inventors

Thomas Wildförster · Schwelm, DE
Michael Hufen · Wuppertal, DE
Matthias Drux · Gevelsberg, DE

Key dates

Filing date	Nov 13, 2008
Grant date	Dec 10, 2013
Priority date	—
Expiry date	Jan 29, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49947
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

The present invention relates to a door operator (1) with a drive unit, wherein the drive unit presents a gear with a gear housing (2).According to the invention, it is intended that the gear housing (2) has at least one first shell element (3) and at least one second shell element (4), wherein the shell is elements (3, 4) are able to be brought into mutual abutment for forming an inner gear compartment (5).

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