Patent ID: 7552607

Claim:
A dual padlock, comprising: a housing having a chamber inside, two top bores, a through bore, a button bore, and a plurality of dial bores; a shackle having a pivot end and a movable end inserted into the top bores of the housing respectively, wherein the pivot end is formed with a head portion in the chamber, and the movable end has a slot; a locking device, which is received in the chamber of the housing, having a locking portion to be moved between a first position, in which the locking portion is engaged with the slot of the shackle, and a second position, in which the locking portion is disengaged with the slot of the shackle; a locking spring, which is received in the chamber of the housing, urging the locking device; a key lock assembly including a key cylinder, which is received in the chamber of the housing and has an end received in the through bore, having a keyhole and a spiral slot; a transmission device having an end received in the spiral slot of the key cylinder of the key lock assembly and opposite end touching the locking device to be moved by the key cylinder; a code lock assembly, which is received in the chamber of the housing, having a shaft, a plurality of numeral wheels, which are fitted to the shaft and received in the dial bores respectively, and a return spring urging the shaft; and a button member, which pivoted on an interior side of the housing, having a first arm, which is received in the button bore of the housing and touches the shaft of the code lock assembly, and a second arm touching the locking device; the padlock further comprising an indicator received in the chamber of the housing; wherein the second arm of the button member is formed with a curved face, and the indicator has a sliding shaft sliding on the curved face.