Patent ID: 7913525

Claim:
A padlock comprising: a housing having an accommodation chamber, a first top hole in communication with the accommodation chamber, a second top hole in communication with the accommodation chamber, and a dial on a top side thereof, which is provided with a plurality of figures; a shackle having a pivoting portion pivotally passing through the first top hole of the housing into the accommodation chamber of the housing and axially movable relative to the housing, and a locking end insertable into the second top hole of the housing; a retaining device disposed in the accommodation chamber of the housing and having at least two driving wheels for controlling an axial movement of the pivoting portion of the shackle; and at least two pointers located above the dial of the housing and respectively driven by the driving wheels of the retaining device to point to one of the figures, whereby when both of the pointers point to correct figures, the pivoting portion of the shackle is axially moveable relative to the housing under the control of the driving wheels of the retaining device, such that the locking end of the shackle is movable away from the second top hole of the housing, thereby unlocking the padlock.