Pantograph jack
US5449149A · kind A · utility
11Cited by
7References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 19, 1994 |
| Grant date | Sep 12, 1995 |
| Priority date | — |
| Expiry date | May 19, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F3/12
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
In a pantograph jack an improvement comprising an extended tube mounted in a joint of the pantograph to extend a threaded annulus towards a shortened screw of the jack in which the extended tube has an integral construction and is positioned in the joint by crimping of tabs about trunnion pins in the joint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.