Patent ID: 8857229

Claim:
A driver for use in a padlock assembly which includes: a padlock body having a first shackle recess and a second shackle recess; a cylinder recess adapted to receive a lock assembly operable by a key; a transverse recess communicating with the first and second shackle recesses and the cylinder recess; a shackle having a first leg adapted for receipt in the first shackle recess, the first leg including a first locking recess, and a second leg adapted for receipt in the second shackle recess, the second leg including a second locking recess, the second leg being spaced apart from the first leg; means for retaining the second shackle leg in the second shackle recess within the padlock body; a first shackle ball in the transverse recess adapted to fit partially into the first locking recess; a second shackle ball in the transverse recess adapted to fit partially into the second locking recess; and a cam having an asymmetrical driver engaging means and being adapted to be inserted in the padlock assembly in either a first position, in which, when the lock assembly is unlocked by the key, the key is removable from the lock assembly, or a second position in which, when the lock assembly is opened by the key, the key cannot be removed from the lock assembly; wherein the driver is located in the transverse recess and has third and fourth locking recesses and cam engaging means, the cam engaging means comprising two asymmetric protrusions.