Foldable bicycle frame
US5360225A · kind A · utility
Inventor
Key dates
| Filing date | Jul 20, 1993 |
| Grant date | Nov 1, 1994 |
| Priority date | — |
| Expiry date | Jul 20, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62K15/006
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A foldable bicycle frame comprises a front frame made up of a head tube, a top tube and a down tube, and a rear frame made up of a seat tube, a bottom bracket tube, a seat stay and a chain stay. The top tube is provided at the rear end thereof with a connection tube to receive therein a seat post. The bottom bracket tube is provided at the center of the front end thereof with an extension tube which faces the front wheel and is pivoted at the front end thereof to the bottom end of the down tube. The front frame and the rear frame are fastened together by means of the seat post which is inserted into the connection tube and the seat tube. The front frame and the rear frame are rotatable in relation to each other when the seat post is pulled out of the seat tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.