The invention relates to a device for connecting and disconnecting with and from a holder respectively by means of a lock a body to be retained, for example, a bicycle, a barrier, a swing gate or a different body.
The invention has for its object to construct a device of the kind set forth in a manner such that no additional manipulations are required for connecting the body to be retained with the holder.
This is achieved by a device of the kind described, characterized by a holder having an entrance opening for the body, by at least one member arranged on the holder for retaining in the holder the body put into it, said retaining member being urged by the body against spring force out of an inoperative position into the retaining position, by a mechanism co-operating with the retaining member for locking this retaining member in its retaining position, by an externally, for example, manually operable member for unlocking the locking mechanism and by means operable by the lock for guarding and releasing the unlocking member in a manner such that in the inoperative state of the device the unlocking member guards the lock in its open position and in the retaining position of the device the lock can be operated and guards the unlocking member in its closed position.