Patent ID: 7434426

Claim:
A multiple function lock comprising: a body; a u-shaped shackle having toe and heel portions, said heel portion rotatably secured within said body; a combination locking mechanism for securing said heel portion, said combination locking mechanism having a locked position in which said heel portion is retained within said body but is free to rotate and an unlocked position in which said heel portion may be lifted from within said body; a second locking mechanism comprising a keyed cylinder operationally engaged with a retaining cup, said keyed cylinder having a locked position in which said retaining cup retains said toe portion therein and an unlocked position in which said retaining cup does not retain said toe portion therein; wherein said second locking mechanism protrudes from a top side of said body in said locked position of said second locking mechanism and a bottom side of said body in said unlocked position of said second locking mechanism.