Safe handling apparatus for heavy objects has carrier arm, pick up arm, a boom and an additional arm forming a parallelogram, with an compensation force applied at a point in line with the rotation axis at the free end of the boom
- 申请公布号：
- FR2806716(A1)
- 申请号：
- FR20000003811
- 申请日期：
- 2000.03.24
- 申请公布日期：
- 2001.09.28
- 申请人：
- SARRAZIN SA
- 发明人：
- ANDRE ROGER
- 分类号：
- B25J9/10;B25J19/00;B66C23/00;(IPC1-7):B66C23/72;B25J18/00
- 主分类号：
- B25J9/10
- 摘要：
- A carrier arm (3) and a pick up arm (4) are mounted in parallel and have a boom (7) mounted at one end. The mass of the object applies a weight force on the point A of the arm. An additional arm (11) is placed at the other end and the four arms are forming a parallelogram. A compensating force is applied by a counterweight on the point C of the arm (11), which is always on line with the point A of the force application and the rotation axis B.
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