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A HOISTING DEVICE AND A COMPONENT MODULE FOR A HOISTING OR TRANSFERRING DEVICE
专利权人:
W-M Engineering Oy
发明人:
VALTONEN, Vesa
申请号:
EP20110824634
公开号:
EP2616381(B1)
申请日:
2011.09.13
申请国别(地区):
欧洲专利局
年份:
2017
代理人:
摘要:
A hoisting device, comprising a base structure; a work platform structure, and at least one cylinder coupled between the base structure and the work platform structure; at least one chamber with a variable volume, for pressurized medium, configured to elevate the work platform structure by utilizing the pressurized medium enclosed in the chamber; and at least one pulling device configured to pull down the work platform structure. In an example, the hoisting device further comprises at least one auxiliary chamber intended for the pressurized medium, connected to the chamber of the cylinder, and placed inside the base structure or the work platform structure, or in the structure of the cylinder. A component module for a hoisting or transferring device comprises a cylinder and a base structure. In the method, variation of the pressure in the chamber of the cylinder is allowed.
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中国工程科技知识中心
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