Title:
昇降ドア用油圧式ドア駆動部、油圧式ドア駆動部を備える昇降ドア、および油圧式ドア駆動部を動作させるための方法
Document Type and Number:
Japanese Patent JP7406629
Kind Code:
B2
Abstract:
The present invention relates to a hydraulic door drive for a lifting door (1) that opens, in particular, vertically, comprising at least one hydraulic motor (6), adapted and configured to drive a door curtain (2) or to be at least concomitantly driven by the door curtain (2), at least one hydraulic unit (10) for supplying the hydraulic door drive (5) with pressurized hydraulic fluid (13; 13a), characterized by a pressure accumulator (22), whereina) potential energy of the door curtain (2), which is released when the latter is closed, can be stored in the form of pressure energy in the pressure accumulator (22), and/orb) the pressure accumulator (22) can be loaded with pressure energy by means of the at least one hydraulic unit (10), whereinc) pressure energy stored in the pressure accumulator (22) can be discharged to the hydraulic motor (6) in order to at least open and/or at least close the door curtain (2).
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Inventors:
Mokunik, Bolt
Riyoki, Allen
Mazey, Andre
Riyoki, Allen
Mazey, Andre
Application Number:
JP2022520376A
Publication Date:
December 27, 2023
Filing Date:
November 03, 2020
Export Citation:
Assignee:
Effaflex Inzeniring D.O.O. Librana
International Classes:
E06B9/68; E05F15/50; E06B9/06; E06B9/13; E06B9/84; F15B11/02; F15B21/14
Domestic Patent References:
| JP2005232693A | ||||
| JP53066842U | ||||
| JP175920C2 | ||||
| JP2016205496A | ||||
| JP32012986Y1 |
Foreign References:
| KR200319600Y1 | ||||
| US4941320 | ||||
| DE202007001800U1 |
Attorney, Agent or Firm:
Kiyoshi Tsujimoto
Hideyuki Maruyama
Hideyuki Maruyama