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Patent Searching and Data


Title:
LIFT CORD LOCK OF VENETIAN BLIND
Document Type and Number:
Japanese Patent JP2755534
Kind Code:
B
Abstract:

PURPOSE: To lift and lower a venetian blind easily by engaging the shaft of a retained roller with a selecting member to be guided to first-fourth positions, and by selecting the positions of the retained roller according to pulling or loosening a lift cord.
CONSTITUTION: When a lift cord 8 is retained between a retaining member 13 and a retained roller 14 and the operating section of the lift cord 8 is pulled in a first state V that slats are stopped at a required position, then the shaft 16 of the retained roller 14 comes to a second position W. In this case, when the lift cord 8 is loosened, then the cord 8 is reversely moved and the shaft 16 comes to a third position X and is engaged with a land section 20. After that, when the lift cord 8 is pulled, then the shaft 16 comes to a position Y. When the operation of the lift cord 8 is stopped in this state, then the lift cord 8 is moved in the falling direction of the slats, and along with the movement, the shaft 16 is returned to the first position V, and the movement of the lift cord 8 is locked.


Inventors:
Nishino, Kimihisa
Application Number:
JP1992000309181
Publication Date:
March 06, 1998
Filing Date:
October 07, 1992
Export Citation:
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Assignee:
NICHIBEI CO LTD
International Classes:
E06B9/324; (IPC1-7): E06B9/324