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PATIENT HANDLING APPARATUS WITH HYDRAULIC CONTROL SYSTEM
专利权人:
发明人:
Chad Conway Souke,Ross Timothy Lucas
申请号:
US15949648
公开号:
US20180303685A1
申请日:
2018.04.10
申请国别(地区):
US
年份:
2018
代理人:
摘要:
A patient handling apparatus includes a frame, a base, and a lift assembly supporting the frame relative to the base, the lift assembly configured to extend or contract to raise or lower the base or the frame with respect to the other of the base and the frame. The patient handling apparatus further includes a control system, which comprises at least one hydraulic cylinder to extend or contract the lift assembly, a hydraulic circuit to direct the flow of hydraulic fluid to and from the hydraulic cylinder, and a controller operable to control the hydraulic circuit. Based on an input signal, for example, an input signal that is indicative of a status or condition of the patient handling apparatus, the controller is configured to open, optionally automatically, fluid communication between the rod end chamber and the cap end chamber to redirect a portion of the fluid output from the rod end chamber to the cap end chamber when the rod is extending to thereby increase the extension speed of the rod.
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