Patent · US Active

Bike with belt transmission and its frame

US8465039B2 · kind B2 · utility

1Cited by

6References

9Claims

0Family size

Assignee

Matra Manufacturing & Services · FR

Inventor

Mickael Duvivier · Châtillon, FR

Key dates

Filing date	Mar 25, 2011
Grant date	Jun 18, 2013
Priority date	—
Expiry date	Sep 16, 2031

Classification

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

Abstract

Bike comprising a first frame element extending from one end carrying a front wheel housing to a lower end, a second frame element extending to a lower end rigidly fixed to the first lower end, a rear fork comprising a chainstay extending from the first element to a spindle support and a seat stay extending from the spindle support to the second element, a crankset having a lateral chainring, a rear wheel driven by a sprocket inside the fork, a belt engaged with the chainring and the sprocket. The chainstay has a major portion arranged below a straight line passing through the lower ends of the chainring and of the sprocket. The belt extends through the triangle formed by the second frame element, the chainstay and the seat stay, which form an irremovable assembly.

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