Patent ID: 6085463
Filing Date: 2000-07-11
Classification: E05D,E05F,E05Y,F25D

Abstract:
An apparatus comprising:a pair of slide cam members which are respectively provided symmetrically about a center line of a door as arranged at right-hand and left-hand end portions of the door or a main body on which the door is mounted;a pair of lock cam members provided symmetrically in portions on the main body or the door corresponding to those of the slide cam members so that lock cam members engage the slide cam members; anda hinge pin which is mounted so that it completely penetrates an axial hole provided in each of the lock cam members, the axial hole being surrounded completely by solid material of the lock cams members; andwherein each slide cam member has a first grooved cam which can be engaged with and disengaged from the hinge pin in a horizontal direction, and a second grooved cam which can move from a first engagement position which continues from the first grooved cam and is engaged with the hinge pin guided by the first grooved cam when the door is closed to a second engagement position which serves as a pivot axis of the slide cam member when the door is open, and a first cam projection provided around the second grooved cam,and each lock cam member has a second cam projection which locks the first cam projection in the first engagement position.