Patent ID: 8011212
Filing Date: 2011-09-06
Classification: E05B,Y10S,Y10T

Abstract:
1. A lock having a key and operable by the key to enter into either a locking state or an unlocking state, the lock comprising: a housing; a shackle having one end movably disposed in the housing; a combination lock core configured to control upward and downward movement of the shackle with respect to the housing; an indicative lock core disposed in the housing and including a spindle; the spindle being displaceable from an original position to an indication position in response to operation of the key; and when the spindle is situated in the indication position, the spindle is rotatable only by the key and is not allowed to return back to the original position by the rotation of the key; and a controlling unit connected to the indicative lock core, and no matter the spindle is situated in the original position or in the indication position, the controlling unit being movable with respect to the housing by the rotation of the spindle between a first position where the lock is in the locking state and a second position where the lock is in the unlocking state.