US 11,897,582 B2 · Rear derailleur dampening assembly

Abstract

A rear derailleur assembly for mounting to a bicycle, wherein the bicycle includes a frame, includes an upper body for operationally engaging the rear derailleur assembly to the frame. The rear derailleur assembly also include a chain cage for engaging a chain of the bicycle; a controller pivotally connected to the upper body; and a lower body operationally connected to the chain cage, pivotally connected to the controller, and pivotally connected to the chain cage. The lower body includes a damper assembly for providing rotational resistance as the chain cage rotates in a first direction about the pivot axis.

Claims14

Dependent claims

A rear derailleur assembly for mounting to a bicycle, wherein the bicycle includes a frame, comprising:

an upper body for operationally engaging the rear derailleur assembly to the frame;
a chain cage for engaging a chain of the bicycle;
a controller pivotally connected to the upper body;
and
a lower body operationally connected to the chain cage, pivotally connected to the controller, and pivotally connected to the chain cage about a pivot axis;
wherein the lower body includes a damper assembly configured to provide rotational resistance as the chain cage rotates in a first direction about the pivot axis;
wherein the damper assembly includes a plate assembly having an intermediate plate sandwiched between a pair of friction plates;
and wherein a shaped portion of the damper assembly is rotationally stationary relative to the lower body.

5 more elements

A rear derailleur assembly for mounting to a bicycle, wherein the bicycle includes a frame, comprising:

an upper body for operationally engaging the rear derailleur assembly to the frame;
a chain cage for engaging a chain of the bicycle;
a controller pivotally connected to the upper body;
and
a lower body operationally connected to the chain cage, pivotally connected to the controller, and pivotally connected to the chain cage about a pivot axis;
wherein the lower body includes a damper assembly configured to provide rotational resistance as the chain cage rotates in a first direction about the pivot axis;
wherein the damper assembly includes a plate assembly having an intermediate plate sandwiched between a pair of friction plates;
and wherein the friction plates are rotationally stationary relative to the lower body.

5 more elements

Dependencies are inferred from the claim text.

Facts

Application

17/395,385Filed 5 Aug 2021 · continuation in part

Priority

25 Aug 2017

Published

US 2021/0362805 A125 Nov 2021

Granted

13 Feb 2024

Term ends

Not estimatedThe source records don’t support an estimate.

Classification4 codes

B62M 9/126
Rear derailleurs: chain guides; Mounting thereof
B62M 9/1248
Mechanisms for shifting laterally: characterised by the use of biasing means, e.g. springs; Arrangements thereof
B62M 9/16
Transmissions characterised by use of an endless chain, belt, or the like: tensioning or adjusting equipment for chains, belts or the like
B62M
Rider propulsion of wheeled vehicles or sledges

Family

Application62/550,523Us provisional application · filed 25 Aug 2017

Application16/111,138Parent of this continuation-in-part · filed 23 Aug 2018

US 2021/0362805 A1Pre-grant publication · published 25 Nov 2021

US 11,098,787 B2Parent of this continuation-in-part

US 2019/0063547 A1Published application

US 11,897,582 B2This patent

From the US filing history. Foreign family members aren’t listed.

Rear derailleur dampening assembly

Life of this patent

Rear derailleur dampening assembly

Life of this patent

Abstract

Claims14