Padlocks

Claim 1

A padlock comprising a case having spaced parallel end opening bores on respectively opposite sides thereof, said case having a transversely extending recess in communication with said bores, a shackle having a long leg mounted in one of said bores and a short leg adapted to be received in the other of said bores when in locked position, vertically spaced upper and lower recesses in said long leg, and a recess in said short leg, a pair of spaced parallel locking dogs slidably arranged in said transverse recess, teeth on the opposing inner sides of said dogs, a centrally arranged vertical chamber in said case communicating with said transverse recess, a rotatable keycontrolled locking cylinder in said chamber having a shaft with gear teeth on the upper end thereof, said shaft being interposed between said locking dogs with the teeth on said shaft meshing with the teeth on each of said dogs whereby key rotation of said cylinder and shaft will respectively move said dogs into and out of locking position with the upper recess in the long leg and the recess in the short leg of said shackle to retain said shackle in closed locked position, and one of said dogs into the lower recess in said long leg to retain said shackle in open locked position.