Portable car hoist and trailer with removable wheels
US4901980A · kind A · utility
46Cited by
5References
31Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 29, 1987 |
| Grant date | Feb 20, 1990 |
| Priority date | — |
| Expiry date | Apr 29, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F7/243
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Portable car hoist convertible to a trailer which has wheels for towing a vehicle. The hoist includes a trailer with a suspension, a wheel assembly, a base frame assembly, a liftable platform assembly, and a lift apparatus. A foldable ramp, a platform, and extension channels support a vehicle to be lifted, and a chock assembly retains the vehicle on the platform. A safety latch prevents accidental lowering of the platform assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.