US 12,000,460 B2
Gear mechanism
Heiko Schreiber, Doberschau (DE)
Assigned to WITTENSTEIN SE, Igersheim (DE)
Filed by WITTENSTEIN SE, Igersheim (DE)
Filed on May 3, 2022, as Appl. No. 17/735,237.
Claims priority of application No. 102021111364.4 (DE), filed on May 3, 2021.
Prior Publication US 2022/0349457 A1, Nov. 3, 2022
Int. Cl. F16H 25/14 (2006.01)
CPC F16H 25/14 (2013.01) 13 Claims
OG exemplary drawing
 
1. Gear mechanism (1), having
a toothing (5),
a tooth carrier (11) in which a plurality of teeth (7) for engagement with the toothing are accommodated, wherein the teeth (7) are radially displaceably mounted relative to the tooth carrier (11),
a drive input element with a profiling (22) for radially driving the radially displaceably mounted teeth (7), and
bearing segments (24) for mounting the teeth on the profiling, wherein each of the bearing segments comprises:
a running side oriented in the direction of the profiling and a bearing side opposite the running side,
a tooth bearing, which is arranged on the bearing side, for articulated mounting of at least one of the teeth,
wherein the tooth bearing comprises a bead which is at least substantially in the shape of a cylinder section and which is arranged from a first side edge to a second side edge of the bearing segment in a direction transversely with respect to a running direction of the bearing segment, and
wherein the bead is arranged in a central region between the first side edge and the second side edge and has a first recess on a first side of the central region and/or has a second recess on a second side of the central region, wherein one holding ring (40) is provided per tooth, said holding ring at least partially surrounding a tooth base of the respective tooth (7), and wherein the holding ring, by engagement in the at least one recess, secures the respective bearing segment in its position transversely with respect to the revolving direction.