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:
Feb. 18, 2025
Filed:
Oct. 05, 2021
Wittenstein SE, Igersheim, DE;
WITTENSTEIN SE, Igersheim, DE;
Abstract
Gearbox () having a tooth carrier () for receiving teeth () of a gear ring that are disposed about a rotation axis () of the gearbox, wherein the teeth () are disposed in the tooth carrier () so as to be displaceable and guided in the radial direction, a cam disk () which is rotatable about the rotation axis () and for driving the teeth () in the radial direction has a cam curvature that is variable over the circumference, wherein bearing segments () which are mounted so as to slide on the cam disk () are disposed between the teeth () and the cam disk (), and wherein the bearing segments () have a contact region which has a concave curvature and is disposed so as to be centric on a running surface that faces the cam disk (), wherein the concave curvature is larger than the smallest cam curvature of the cam disk, and smaller than the largest cam curvature of the cam disk.