DOOR HINGE
First Claim
1. A door hinge comprising:
- a fixed board fixed to a door frame;
a cover housing fitted to the upper end of the fixed board;
an operation frame fixed to a door;
an operation cam member rotatably disposed inside the cover housing and axially coupled to the operation frame fixed to the door by means of a shaft, so that the operation cam member rotates around the shaft according to the rotating operation of the operation frame;
a link coupled eccentrically to one side of the operation cam member by means of a second pin and linearly moving according to the rotating operation of the operation cam member;
a slider coupled to the link by means of a first pin and moving horizontally in forward and backward directions according to the linear movements of the link in the state of being disposed inside the cover housing; and
a spring fitted to the outer circumferential surface of the slider and compressed according to the horizontal movements of the slider to elastically support the closing operation of the door.
1 Assignment
0 Petitions
Accused Products
Abstract
A door hinge includes: a fixed board fixed to a door frame; a cover housing fitted to the upper end of the fixed board; an operation frame fixed to a door; an operation cam member rotatably disposed inside the cover housing and axially coupled to the operation frame fixed to the door by a shaft, so that the operation cam member rotates around the shaft according to the rotating operation of the operation frame; a link coupled eccentrically to one side of the operation cam member by a second pin and linearly moving according to the rotating operation of the operation cam member; a slider coupled to the link by a first pin and moving horizontally in forward and backward directions according to the linear movements of the link in the state disposed inside the cover housing; and a spring fitted to the outer circumferential surface of the slider to elastically support the closing operation of the door.
14 Citations
3 Claims
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1. A door hinge comprising:
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a fixed board fixed to a door frame; a cover housing fitted to the upper end of the fixed board; an operation frame fixed to a door; an operation cam member rotatably disposed inside the cover housing and axially coupled to the operation frame fixed to the door by means of a shaft, so that the operation cam member rotates around the shaft according to the rotating operation of the operation frame; a link coupled eccentrically to one side of the operation cam member by means of a second pin and linearly moving according to the rotating operation of the operation cam member; a slider coupled to the link by means of a first pin and moving horizontally in forward and backward directions according to the linear movements of the link in the state of being disposed inside the cover housing; and a spring fitted to the outer circumferential surface of the slider and compressed according to the horizontal movements of the slider to elastically support the closing operation of the door. - View Dependent Claims (2, 3)
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Specification