Padlock
OwnerChun Yu, Cory Nykolukinventors
Life of this patent
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Abstract
A padlock can be unlocked by an owner dialing an unlocking number or security personnel using a general key. The padlock includes a lock body, a block, a shackle, a general locking device and a private locking device. The lock body includes a first channel and a second channel therein. The block is inserted in the second channel. The block includes a receptacle therein. The shackle includes a long arm movably disposed in the first channel and a short arm for engagement with the receptacle of the block. The general locking device is disposed in the lock body for locking and unlocking the long arm of the shackle. The private locking means is disposed in the lock body for controlling the block so that the block can be engaged with and disengaged from the short arm of the shackle.
Claims14
A padlock comprising:
- a lock body comprising a first channel and a second channel therein;
- a block disposed in said second channel, said block comprising a receptacle therein;
- a shackle comprising a long arm movably disposed in said first channel and a short arm for insertion in said receptacle of said block;
- a key-operable locking means disposed in said lock body for locking and unlocking said long arm of said shackle;
- and
- a private locking means formed in said lock body for controlling said block so that said block can be engaged with and disengaged from said short arm of said shackle.
A padlock comprising:
- a lock body;
- a shackle comprising a long arm movably disposed in said lock body and a short arm;
- a key-operable locking means disposed in said lock body for locking and unlocking said long arm of said shackle to said lock body;
- and
- a combination locking means disposed in said lock body and operable independent of said key-operable locking means for engaging with and disengaging from said short arm of said shackle.
A padlock comprising:
- a lock body;
- a shackle comprising a long arm movably disposed in said lock body and a short arm;
- a first locking means disposed in said lock body for locking and unlocking said long arm of said shackle to said lock body via a key;
- and
- a second locking means disposed in said lock body and operable independent of said key-operable locking means;
- and
- a block connected with said second locking means for engaging with and disengaging from said short arm of said shackle via said second locking means.
Dependencies are inferred from the claim text.