Patent ID: 6012309
Filing Date: 2000-01-11
Classification: E05B,Y10T

Abstract:
A pad lock comprising:an outer casing including two receptacles, a periphery that defines one of the receptacles including a retaining annular flange formed thereon, the retaining annular flange includes an upper end wall and a lower end wall,a shackle including a longer section and a shorter section respectively received in the receptacles of the outer casing, at least one of the longer section and the shorter section including a notch defined therein, the longer section of the shackle including a reduced end section extended through the retaining annular flange, the reduced end section having an enlarged distal end bearing below the lower end wall of the retaining annular flange,a spring mounted around the reduced end section of the longer section of the shackle and including a lower end, the spring biasing the shackle upwardly to an unlocked status,a protective member secured to the upper end wall of the retaining annular flange, the protective member including a notch through which the reduced end section of the longer section of the shackle is rotatably extended, the protective member further including a guiding section that guides the lower end of the spring away from the retaining annular flange,at least one pin member mounted in the outer casing,means for biasing said at least one pin member to engage with the notch of the shackle to retain the shackle in a locked status,a stem slidably mounted in the outer casing,a plurality of number wheels rotatably mounted around the stem,a plurality of retaining sleeves mounted around the stem, each said retaining sleeve being releasably engaged with an associated said number wheel to rotate therewith, anda lever member including a first end releasably engaged with said at least one pin member to retain said at least one pin member in a position that engages with the notch of the shackle, the lever member further including a second end having a plurality of tongues, each said tongue being engaged with at least one of said retaining sleeves, the lever member further including a positioning member formed at the second end thereof,wherein the protective member prevents the enlarged distal end of the longer section of the shackle from engaging with the stem.