The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 29, 2022
Filed:
Jan. 02, 2019
Geze Gmbh, Leonberg, DE;
Matthias Hucker, Marxzell, DE;
GEZE GMBH, Leonberg, DE;
Abstract
A braking device for a movable door leaf comprises an electric braking motor to damp movement of the door leaf; a motor shaft coupleable with an axis of rotation of the door leaf; and a control unit to control the electric braking motor. A generator provides power to the control unit. A continuously variable transmission unit between the axis of rotation of the door leaf and either the motor shaft of the electric braking motor or the separate generator is controlled by a mechanical control such that the motor shaft of the electric braking motor and/or the separate generator, can be driven at a rotational speed independent of the rotational speed of the rotational axle of the door leaf. Also included is a door closer, having a rotatable door closer axis, coupleable with a door leaf, cooperating with a mechanical energy storage device, and a correspondingly designed braking device.