Method and system for computer-controlled bicycle gear shifting
US5261858A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 19, 1992 |
| Grant date | Nov 16, 1993 |
| Priority date | — |
| Expiry date | Jun 19, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62M25/08
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method and system for computer-controlled shifting of a bicycle is provided. In preferred embodiments, the present invention provides a computer system that detects speed, hub speed, and crank speed, determines the optimum bicycle gear selection to maintain a desired cadence, and shifts the bicycle to the optimum bicycle gear. The computer also inputs a shift up and shift down signals from the cyclist to override the computer-selected gear. When the cyclist indicates a shift up or down, the computer adjusts the desired cadence. The computer determines the gear selection to ensure a uniform transition from the current gear to the next gear. The computer ensures that when shifting from the current gear to the next gear, the bicycle does not transition through a gear that is not between the current and next gears.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.