Combination guide rail door handle
US4957324A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 1989 |
| Grant date | Sep 18, 1990 |
| Priority date | — |
| Expiry date | Jul 13, 2009 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F9/0833
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An apparatus is disclosed that aids an operator in entering or leaving the cab of a large construction or farm vehicle. This apparatus consists of a series of steps leading from the ground up into the cab of the vehicle and two guide rails that guide the operator up into the cab. A first guide rail is fixed to the cab outer housing, and a second guide rail is fixed to the inner face of the cab door that provides access to the cab. The cab door guide rail is angled and positioned so as to aid in guiding the operator into or out of the cab and is also positioned so as not to interfere with the use of any accessories that may be mounted within the door. In addition, the cab door guide rail is useful as a door handle and allows the operator to guickly enter or exit the cab.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.