Title:
The code-less storing type roller shade for window coverings
Document Type and Number:
Japanese Patent JP6145093
Kind Code:
B2
Abstract:
A cordless retractable shade including an operating system for the shade that varies a biasing force of a spring to counterbalance the shade. The bottom rail of a retractable shade can be raised or lowered, and due to the operating system remains in any selected position of the covering between fully extended and fully retracted, without the use of operating cords. The system includes a method of negating and reversing the spring bias effect at a strategic position whereby the flexible vanes of the shade can be adjusted between open and closed.
Inventors:
Stephen Peas, Smith
Smith, Kent A
Rose, gallen bee
Stephen M, Winters
Faller, Kenneth M
Smith, Kent A
Rose, gallen bee
Stephen M, Winters
Faller, Kenneth M
Application Number:
JP2014528496A
Publication Date:
June 07, 2017
Filing Date:
August 27, 2012
Export Citation:
Assignee:
HUNTER DOUGLAS INCORPORATED
International Classes:
E06B9/60; E06B9/62
Domestic Patent References:
| JP2004238827A | ||||
| JP2006257865A | ||||
| JP3655746B2 | ||||
| JP4355741B2 | ||||
| JP6221066A |
Foreign References:
| US5996923 |
Attorney, Agent or Firm:
Shinjiro Ono
Yasushi Kobayashi
Shigeo Takeuchi
Osamu Yamamoto
Koichi Kushida
Yasushi Kobayashi
Shigeo Takeuchi
Osamu Yamamoto
Koichi Kushida
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