Clamping and lifting mechanism
US6634630B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2001 |
| Grant date | Oct 21, 2003 |
| Priority date | — |
| Expiry date | Sep 18, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25J15/0206
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A clamp for clampingly engaging a portion of a workpiece and for lifting the workpiece from a work surface. The clamp comprises a fluid actuated piston and cylinder assembly, a frame assembly, first and second clamp arms supported by the frame assembly for pivotal movement about respective first and second pivot axes and axial movement parallel to the longitudinal axis between an unclamped position and a clamped and lifted position, first and second pivot pins respectively defining the first and second pivot axes, first and second slider members respectively supported in first and second tracks for axial movement relative to frame assembly and respectively supporting the first and second pivot pins for axial movement along the first and second tracks relative to the frame assembly, first and second link pins supported proximate the opposite ends of the first and second clamp arms, respectively, the first link pin being movable along the first arcuate track and the first track and the second link pin being moveable along the second arcuate track and the second track, first and second link members connecting the first and second link pins, respectively, to the piston such that moveme…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.