发明公开
EP1124707A1 PRESSURE SWITCH TO DEFEAT PLATFORM FOLD OPERATION IN A HYDRAULIC LIFT
审中-公开
压力开关，防止除皱上LIFT
- 专利标题： PRESSURE SWITCH TO DEFEAT PLATFORM FOLD OPERATION IN A HYDRAULIC LIFT
- 专利标题（中）： 压力开关，防止除皱上LIFT
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申请号： EP99958700.9申请日： 1999-10-29
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公开(公告)号： EP1124707A1公开(公告)日： 2001-08-22
- 发明人: PIERROU, James, R. , HERMANSON, Jeffrey, J.
- 申请人： THE BRAUN CORPORATION
- 申请人地址： 1014 S. Monticello,P.O. Box 310 Winamac, IN 46996 US
- 专利权人： THE BRAUN CORPORATION
- 当前专利权人： THE BRAUN CORPORATION
- 当前专利权人地址： 1014 S. Monticello,P.O. Box 310 Winamac, IN 46996 US
- 代理机构： Holmes, Matthew Peter
- 优先权： US106365P 19981030
- 国际公布： WO0026060 20000511
- 主分类号： B60P1/00
- IPC分类号： B60P1/00
摘要：
The present invention incorporates a fluid pressure sensing switch (18) in fluid communication with a hydraulic fluid outlet (12) of a hydraulic pump (10) driving a platform lift (4). The pressure switch is calibrated to activate at a pump outlet pressure created when the pump attempts to fold the platform into the stow position when it carries a load. The switch is calibrated not to activate at a pump outlet pressure created when the pump attempts to fold the platform into the stow position when the platform is unloaded. Activation of the pressure switch disables the hydraulic pump, thereby preventing a loaded platform from being folded into the stow position.
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