Collapsible tricycle frame device
US6036220A · kind A · utility
Inventor
Key dates
| Filing date | Oct 15, 1996 |
| Grant date | Mar 14, 2000 |
| Priority date | — |
| Expiry date | Oct 15, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/32409
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A collapsible tricycle frame device comprises a generally U-shaped handle, first and second push bars connected to two opposite ends of the generally U-shaped handle respectively, a first seat receiving a lower end of the first push bar, and a second seat receiving a lower end of the second push bar. The first seat receives an upper end of a first front support rod and an upper end of a first rear support rod. The second seat receives an upper end of a second front support rod and an upper end of a second rear support rod. A rear wheel support device receives a lower end of the first rear support rod and a lower end of the second rear support rod. A front wheel support device receives a lower end of the first front support rod and a lower end of the second front support rod. First and second base rods are disposed between the front wheel support device and the rear wheel support device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.