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:
Jul. 22, 2025
Filed:
Dec. 03, 2020
Dormakaba Deutschland Gmbh, Ennepetal, DE;
Andreas Finke, Ennepetal, DE;
Axel Richstein, Ennepetal, DE;
DORMAKABA DEUTSCHLAND GMBH, Ennepetal, DE;
Abstract
A drive unit for a sliding arrangement, in particular a sliding door, includes a carriage, which is formed for linearly mobile mounting in relation to a sub-structure of the sliding arrangement, a deflection roller rotatable around a roller axis at the carriage for deflecting a drive belt of the sliding arrangement, and a tensioning device, comprising having a shaft with male thread rotatable around a shaft axis, a first shaft reception with female thread for receiving the male thread of the shaft, a second shaft reception for linear mobile reception of the shaft, and a compression spring between the second shaft reception and a spring abutment at the shaft. The shaft is disposed for tensioning the drive belt by increasing the distance between the first shaft reception and the second shaft reception.