Patent · US Active

Pivoting chainring assembly

US9944347B2 · kind B2 · utility

3Cited by
6References
27Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 21, 2016
Grant dateApr 17, 2018
Priority date—
Expiry dateJul 21, 2036

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB62M9/12
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A pivotable chainring assembly for a bicycle includes a chainring and a carrier. The carrier includes an annular bearing and a pivot attachment portion. The annular bearing includes an inner race and an outer race. The outer race of the annular bearing is rotatable about a crank axis. The chainring is physically connected to and rotatably fixed relative to the outer race of the annular bearing. The inner race of the annular bearing is physically connected to and rotationally fixed relative to the pivot attachment portion. The pivot attachment portion has a pivot axis disposed a distance from the crank axis. The chainring is rotatable about the crank axis and rotatable about the pivot axis.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.