Clamp
US3995904A · kind A · utility
2Cited by
4References
5Claims
0Family size
Inventor
Key dates
| Filing date | Jun 24, 1975 |
| Grant date | Dec 7, 1976 |
| Priority date | — |
| Expiry date | Jun 24, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C1/64
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A lift clamp for handling of objects such as I beams has an elongated lift arm with a fixed jaw projecting therefrom. A compression lever is pivotally mounted on the lift arm and has a jaw which is movable to a clamping position against the fixed jaw. A whip wire extends through a shackle on the lift arm and is secured to the compression lever. A tag line is secured also to the lever to release the clamp. In some environments of use, a spring is provided between the lift arm and the compression lever to urge the movable jaw against the fixed jaw.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.