Device for guiding a shaft in an oscillating movement
AssigneeBertin Technologies
InventorsJean Boquet, Jean-Marc Moine
Life of this patent
Estimating the term…
Abstract
A device for guiding a shaft in an oscillating movement about a center of rotation situated on the axis of the shaft comprises a ball-and-socket bearing and a ball bearing mounted one inside the other between the shaft and a fixed support. The ball-and-socket bearing comprises a ball-and-socket joint with an outer convex surface in a portion of a sphere forming the inner race of the bearing, and two rings of balls that are arranged between the ball-and-socket joint and two superposed outer races of the bearing and that are guided in semicylindrical annular slots or grooves of the races.
Claims21
A device for guiding a shaft in an oscillating movement about a center of rotation situated on the axis of the shaft, comprising a ball-and-socket bearing and a ball bearing mounted one inside the other between the shaft and a fixed support, wherein the ball-and-socket bearing comprises a ball-and-socket joint which is fixedly mounted on the shaft and which has an outer convex surface in a portion of a sphere forming the inner race of the bearing, two rings of balls are arranged between the ball-and-socket joint and two superposed outer races and are guided in semicylindrical annular slots or grooves of said races, and two substantially superposed outer ball bearings are mounted between said outer races and the fixed support.
Dependencies are inferred from the claim text.