Buckle for a personal adornment band

A buckle for attachment to each end of a personal adornment band comprising a housing having an opening at an upper portion and a first housing end connected to a first end of the personal adornment band, a pair of push plates provided in the housing so as to be moved in a lateral direction with respect to a longitudinal direction of said personal adornment band, a cover pivotally connected to a second end of said housing, an engaging rod provided on a connecting link of a second end of the personal adornment band and held by the housing and the cover so as to connect both ends of the personal adornment band,

• each of the push plates having a manipulating projection, an arm inwardly projected from said manipulating projection, and an engaging portion formed on an end of the arm;
• each engaging portion of the push plates including an engaging hook to be engaged with the lock pin of the cover;
• each engaging portion having the same thickness as the manipulating projection of the push plate, and the engaging hook being defined by an escapement groove formed on the underside thereof;
• one of said push plate arms being an upper arm having a thickness of an upper half thickness of the push plate;
• the other push plate arm being a lower arm having a thickness of a lower half thickness of the push plate;
• the upper and lower arms being disposed in a same position with respect to the longitudinal direction of said band in a plane including an upper surface of the upper arm and overlapped with each other;
• spring means provided between said push plates for urging each of said push plates in an outward direction;
• stopping means provided for stopping each of said push plates urged by said spring means at a position where the manipulating projection of each push plate is projected from the housing;
• a lock pin secured to an underside of the cover to be engaged with said engaging portions of the push plates;
• and
• said stopping means comprises a stopper pin secured to the housing and disposed to be abutted on side walls of notches formed on side portions of the upper and lower arms of the push plates.