Title:
カーテンの制御システム
Document Type and Number:
Japanese Patent JP6505140
Kind Code:
B2
Abstract:
A control device reduces an expansion speed of a covering material of a window covering system. The window covering system comprises the control device, the covering material and a weight member attached below the covering material to provide a weight force to the covering material. The control device comprises a driving module, a lifting module comprising a winding device configured to operate with the drive member and the covering material simultaneously, a damping module configured to operate with the winding device in only one direction for providing a damping force to the winding device selectively; wherein the damping force is provided to the winding device for reducing the expansion speed of the covering material when the winding device is rotated in the first direction; and wherein no damping force is provided to the winding device when the winding device is rotated in a second direction opposite to the first direction.
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Inventors:
Chen Rin
Sticky man
Sticky man
Application Number:
JP2017005821A
Publication Date:
April 24, 2019
Filing Date:
January 17, 2017
Export Citation:
Assignee:
Nien Made Enterprise Co.,Ltd.
International Classes:
E06B9/322; F16D41/066; F16D41/12; F16D67/02
Domestic Patent References:
| JP2006125186A | ||||
| JP8177350A | ||||
| JP11187973A | ||||
| JP2001008407A | ||||
| JP2002106268A |
Foreign References:
| US20150136336 | ||||
| US20110290429 | ||||
| US20140083631 |
Attorney, Agent or Firm:
Nobukazu Ito