Locking device
OwnerXue-Qin Luinventor
Life of this patent
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Abstract
A locking device includes a lock, a blade and an attachment. The lock includes a key slot and a lockpin unit. The key slot extends from a key insertion face to an interior of the lock. The lock includes an inner wall. The lockpin unit is in the lock and extends into the key slot from the inner wall of the lock. The blade includes a guiding end, a control end, a receiving portion located between the guiding and control ends, and a guiding piece. The guiding piece is arranged at the guiding end. The guiding end is located in the key slot, and the control end is located outside the key slot. The attachment is detachably attached to the receiving portion. The blade is slid to drive the attachment to be in or off contact with the lockpin unit.
Claims10
A locking device comprising:
- a lock comprising a key slot and a lockpin unit, wherein the key slot extends from a key insertion face to an interior of the lock, wherein the lock comprises an inner wall, and wherein the lockpin unit is in the lock and extends into the key slot from the inner wall of the lock;
- a blade slidably received in the key slot and comprising a guiding end, a control end, a receiving portion and a guiding piece, wherein the receiving portion is located between the guiding end and the control end, wherein the guiding piece is arranged at the guiding end, wherein the guiding end is located in the key slot, and wherein the control end is located outside the key slot;
- and
- an attachment detachably attached to the receiving portion of the blade, wherein the blade is slideable to drive the attachment to be in or off contact with the lockpin unit,
- wherein the blade is irremovable from the lock regardless of whether the attachment is attached to the receiving portion of the blade, and
- wherein the blade is unable to unlock the lock when the attachment is detached from the receiving portion of the blade.
Dependencies are inferred from the claim text.