Telescoping work platform
US5481988A · kind A · utility
Inventor
Key dates
| Filing date | May 4, 1994 |
| Grant date | Jan 9, 1996 |
| Priority date | — |
| Expiry date | May 4, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B9/16
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A telescoping work platform having telescoping inner and outer frames that are telescopically adjustable and are capable of being locked relative to one another. The inner frame has a bottom wall at its lower end which serves as a work platform and is provided at its upper end with safety rails for stabilization of the user. The outer frame is provided with pivotal ladder rungs to permit climbing by the user and to permit user access to the work platform at all selected positions of the inner and outer frames. The work platform is also provided with retractable transport wheels and wheel actuators to permit stable use of the work platform and to permit wheeled transport of the work platform when its movement is desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.