The present invention controls the open state maintenance and maximum open state in the refrigerator as the door on the hinge apparatus, in particular to the pivot (pivot) supporting the door to be opened and closed by a hinge with a refrigerator main body and the door while the door fixed location and a foreign object the number of shock-resistant and to prevent the hinge shaft rupture and also relates to a cancer, ingenuity reservoir by minimizing the friction surface mobility is good, and for a characterized in that the not to cause noise of the friction refrigerator door hinge device.
The present invention is cancer of the circle formed by the outer radius of 15,5mm from the starting point by the hinge shaft 22 in the axis point as described above, the hand trial (11,21) and a stem constituting a 3,8mm deep and the height from the plane (31,41) and 23.01 and also in the long slope (32,42), the axis origin is connected to the arm, the hand trial (11,21) of 12.26 points connecting roads cancer, and 3mm depth from the reservoir trial (11,21) the gentle slopes (33,43), a raised portion 40 and the arm member 10 of the can member 20 is composed of a sharply inclined surface (34,44) is connected in the road 7,01 axis origin being located at a height and consisting of a bone ridge (30)
Of the raised portion 40 and the bone ridge 30 has a hinge shaft 22, the outer diameter or the arm position and the radius of 15,5mm 3,8mm from the shaft hole 12. The inner diameter of the trial, 11 of the reservoir trial 21 is composed of the size which is located at the outer diameter and the space between raised portion 40 is raised bone 30 is another occlusion to minimize friction face by to crack down on the door above with also improve the problem of the noise and the friction arm member 10 or member 20 is one that is configured by the right and left the characters "L" shaped or be distinguished from "R" shape facilitates the assembly work to the distinguished by discriminating the shape thereof.