Dual-Key Lock
OwnerChun Te YUinventor
Life of this patent
Estimating the term…
Abstract
A dual-key lock includes a lock body and a dual-key lock mechanism. The dual-key lock mechanism includes a spindle for receiving a first key and a second key which can unlock the dual-key lock mechanism. While the spindle is operated by the first key, the spindle is configured to move from an original position to an indicative position and stay in the indicative position. And, while the spindle is operated by the, second key, the spindle is further configured to return from the indicative position into the original position.
Claims11
A dual-key lock movable between an unlocking position and a locking position by any one of a first key and a second key, wherein the dual-key lock includes:
- a shell 2 including a recess 22;
- and
- a dual-key locking module 4 being placed in the shell 2 and including a spindle 40 and a first locking plate 41 movable in the spindle 40, wherein the spindle 40 includes a passageway 405 for receiving any one of the first and second keys 91,92, wherein the spindle 40 is rectilinearly movable between an original position and an indicating position, wherein the first locking plate 41 extends into the recess 22 from the spindle 40 to prevent the spindle 40 from movement back into the original position as the spindle 40 is in the indicating position.
A dual-key lock movable between an unlocking position and a locking position by any one of a first key 91 and a second key 92, wherein the dual-key lock includes a shell 2 and a spindle 40 placed in the shell 2, wherein the spindle 40 includes a passageway 405 for receiving any one of the first and second keys 91/92, wherein the spindle 40 is only movable into the indicating position from the original position by the first key 91, wherein the spindle 40 is movable between the unlocking position and the locking position by any one of the first and second keys 91/92 no matter whether the spindle 40 is in the original position or the indicating position.
Dependencies are inferred from the claim text.