Patent ID: 7633837
Filing Date: 2009-12-15
Classification: F16H,G04B,Y10T

Abstract:
1. A backlash-compensating moving part for a precision gear assembly, particularly of a timepiece, said moving part comprising a central plate and a plurality of teeth, wherein said teeth include a plurality of backlash-compensating teeth, wherein each backlash-compensating tooth has at least one portion which extends symmetrically on either side of the radius of said moving part passing through the tip of said tooth and which is connected elastically to the central plate so as to provide said portion of said tooth with a freedom of movement in the plane of this moving part, wherein said portion of each backlash-compensating tooth is connected to said central plate by at least one radially oriented elastic bending web, and wherein at least one rigid stop is provided integral with said central plate for limiting said freedom of movement of said portion of said tooth on each side of a middle rest position.