Shackleless lock

A shackleless lock, comprising, in combination, a lock body defining a recess to receive a staple therein;

• a shackle pin adapted to move between a closed position extending across the lock in body recess to engage a staple, and an open, staple-free position wherein the shackle pin does not extend across a lot body recess;
• a shackle pin adapted to move between a closed position extending across the lock body recess to engage a staple, and an open, staple-free position wherein the shackle pin does not extend across the lock body;
• a lock bar mounted entirely within the lock body and being movable between a closed shackle-pin-engaging position to retain the shackle pin in its staple-engaging position, and an open shackle pin-free position wherein the shackle pin does not extend across the lock body and cannot engage a staple;
• a shackle pin biasing element for biasing the shackle pin into its open, staple-free position;
• and a lock bar biasing element for biasing the lock bar into its closed, shackle pin retaining position.