Pedal powered vehicle
US10787224B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jun 27, 2018 |
| Grant date | Sep 29, 2020 |
| Priority date | — |
| Expiry date | Feb 21, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF03G1/022
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A wheeled vehicle incorporating a frame; a drive shaft mounted upon the frame, the drive shaft having rotary power input and output ends; a drive wheel mounted upon the frame; a rotary power output linkage operatively interconnecting the drive shaft's output end and the drive wheel; rotary power pedals mounted upon the frame; a rotary power input linkage operatively interconnecting the drive shaft's input end and the rotary power pedals; a spiral spring having a rotary power input end and a rotary power output end, the spiral spring being mounted over the drive shaft; a clutch and one way bearing combination for anchoring the spiral spring's rotary power input end upon the drive shaft and upon the frame; and a one way bearing and brake combination for alternatively anchoring the spiral spring's rotary power output end upon the drive shaft and upon the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.