Padlock with indication device
OwnerChun Te YUinventor
Life of this patent
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Abstract
A padlock includes a shell, a shackle, a limit knob, an indicator and a lock core. The shell includes an opening in a wall thereof The shackle includes a long section movably inserted in the shell, and a short section extended from the long section and located out of the shell. The limit knob is partly received in the shell via the opening and includes a button located out of the shell. The indicator is disposed on the limit knob and capable of moving to a predetermined position which is out of the shell. The lock core includes a rotor configured to be driven by a key so as to move the limit knob to a first position where the button of the limit knob keeps the shackle from rotating and a second position where the button of the limit knob allows the shackle to rotate.
Claims10
A lock comprising:
- a shell;
- a shackle comprising a short section and a long section;
- a first lock core inserted in the shell and movable between an unlocking position and a locking position, wherein the first lock core prevents rotation of the short section of the shackle about the long section of the shackle in the locking position;
- a second lock core inserted in the shell and movable between an unlocking position and a locking position for preventing linear movement of the long section of the shackle;
- an indicator operatively connected to the first lock core and movable between an original position and an indication position;
- wherein the indicator is movable into the indication position from the original position by the first lock core when the first lock core is moved into the unlocking position from the locking position a first time before the long section of the shackle is linearly moved relative to the second lock core;
- wherein the indicator is not returned into the original position from the indication position by the first lock core when the first lock core is returned into the locking position from the unlocking position;
- and
- wherein the indicator is kept in the indication position once the first lock core is moved into the unlocking position from the locking position.
Dependencies are inferred from the claim text.