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US 2006/0016232 A1Published application
Locking device
AssigneeAndamiro Co., Ltd.
InventorChun Hung
Life of this patent
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Abstract
A locking device, which mounts a user key (the first key) and a manager key (the second key) separatedly, places a first lock and a second lock unitedly in an outer cylinder. The first lock is opened or rotated by the first key. After the first lock is open, the first key cannot be pulled out of the locking device. If the second lock is open by the second key, the first key can be pulled out together with the second key.
Claims12
A locking device comprising:
- a first key capable of converting a first lock into an opening state or a locking state;
- a second key capable of converting a second lock into an opening state or a locking state;
- a first lock including a first key inserting recess, and which does not discharge the first key from the first inserting recess in case that the first key is inserted into the first inserting recess to convert the first lock from the locking state into the opening state;
- and
- a second lock including a second key inserting recess, and converting the first lock from the opening state into the locking state in case that the second key is inserted into the second inserting recess to convert the second lock from the locking state into the opening state.
2 more elements
A locking device comprising:
- an outer cylinder having a cylindrical hole in its center, a fixing hole in its one side, and supporting parts and guiding parts which are symmetric to each other in its side;
- a first lock having a cylindrical shape, being inserted into the cylindrical hole of the outer cylinder, having an engaging pole combined to the second lock in its one end, and having a second key inserting recess in its center;
- a second lock having an inner cylinder, being inserted into a supporting surface of a supporting part and a guiding part in the outer cylinder, having one end penetrating through the end of the outer cylinder, and having the other end connected to a first lock;
- a first key having a key recess for opening the first lock, and having a central key hole to which a second key penetrates in its center;
- and
- a second key having a key recess for opening the second lock and having a length which passes and reaches the second lock.
3 more elements
Dependencies are inferred from the claim text.