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Title:
AUTOMATIC DOOR LOCKING DEVICE
Document Type and Number:
Japanese Patent JPH07208013
Kind Code:
A
Abstract:

PURPOSE: To close an automatic locking device of a light weight door, such as a wood-made door by curving a belt-shaped sheet rubber.

CONSTITUTION: Both ends of a sheet rubber is fixed with a post 2 as it is, extending over the shaft center of a hinge 5 along the inside of an angle produced by the surface of a door 1 on the pulling side and the surface of the post 2 when the door 1 is opened. Long holes 7, which are engaged with bolts 10 of an upper end frame 6, are bored through the door 1. When a sliding board 8 is moved slidingly to the post 2, the sheet rubber 3 is curved upwardly in semioval shape. When the door 1 is opened, the sheet rubber 3 is deformed in the shape of S so that the door is closed with an elastic force.


Inventors:
NOJIMA SADAO
Application Number:
JP1994000025852
Publication Date:
August 08, 1995
Filing Date:
January 11, 1994
Export Citation:
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Assignee:
NOJIMA SADAO
International Classes:
E05F1/10; (IPC1-7): E05F1/10



 
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