29-04-2010 дата публикации
Номер: WO2010047549A3
Принадлежит:
The present invention relates to a door closer, and more particularly, to a door closer which can stop a door at a desired position during the opening of the door, and adjust the closing speed of the door through the adjustment of the elastic force of a spring. To this end, the door closer of the present invention comprises a spring housing, a spring housing attachment body, an open angle adjustment ring, an open angle groove, an open angle recess groove, and an inner body and an outer body. The inner body is adapted to be inserted into the outer body and has one end with an elastic ball housing for temporarily stopping a door. The outer body has an outer surface on which multiple open angle grooves are formed to catch an elastic ball in the elastic ball housing. Further, the outer body has an interior equipped with an elastic spring for closing the door by elastic restoring force. Thus, the door closer of the present invention eliminates the need for a manual stopper, has a simple configuration ...
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