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Compartment confining construction with an opening, a closure unit for the opening and a positioning unit for the closure unit

  • US 5,468,042 A
  • Filed: 07/20/1993
  • Issued: 11/21/1995
  • Est. Priority Date: 07/22/1992
  • Status: Expired due to Fees
First Claim
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1. A compartment confining construction comprising an opening and a closure unit having two main side faces and movably mounted on said compartment confining construction for movement between a closing position and a fully opened position with respect to said opening through intermediate positions, a fluid based positioning unit being connected to both said compartment confining construction and said closure unit, said fluid based positioning unit being provided with at least one flow path, a movement of said closure unit corresponding to a flow of fluid through said at least one flow path, fluid flow control means being provided for controlling said flow of fluid through said at least one flow path and thereby controlling the movement of said closure unit, said fluid flow control means being actuatable by electric actuating means, said fluid based positioning unit being a passive positioning unit, said flow of fluid occurring in response to movement of said closure unit when said closure unit is moved by an external force, said passive fluid based positioning unit comprising two working chambers interconnected by said at least one flow path, and said at least one flow path being provided with said flow control means.

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