The present invention discloses a drawstring lock comprising a housing that allows the two ends of a drawstring to pass through, a stop mechanism disposed on the housing, and a lock mechanism connected to the stop mechanism. The housing is able to shift freely along the drawstring and once reaching its desired position, it is able to operate the stop mechanism so that the housing is stopped and cannot be shifted. Subsequently, the lock mechanism is used to lock the stop mechanism, keeping it secured until the lock mechanism is unlocked.

The present invention discloses a drawstring lock comprising a housing that allows the two ends of a drawstring to pass through, a stop mechanism disposed on the housing, and a lock mechanism connected to the stop mechanism. The housing is able to shift freely along the drawstring and once reaching its desired position, it is able to operate the stop mechanism so that the housing is stopped and cannot be shifted. Subsequently, the lock mechanism is used to lock the stop mechanism, keeping it secured until the lock mechanism is unlocked.

An example door lock includes a button with a first region and a second region. The button actuates among multiple positions upon being engaged. A first link member is aligned to the button to detect a state of engagement of a door to a consumables compartment of an electronic device. A sensor is aligned to the button and the first link member to receive a signal from a signal generator based on the state of engagement of the door. A second link member has a first end to align with the button, and a second end to engage the door. A transducer causes the first end to align with the button to disengage the second end from the door upon engagement of the button with the first end.

An example door lock includes a button with a first region and a second region. The button actuates among multiple positions upon being engaged. A first link member is aligned to the button to detect a state of engagement of a door to a consumables compartment of an electronic device. A sensor is aligned to the button and the first link member to receive a signal from a signal generator based on the state of engagement of the door. A second link member has a first end to align with the button, and a second end to engage the door. A transducer causes the first end to align with the button to disengage the second end from the door upon engagement of the button with the first end.

A lock includes a housing having a plurality of apertures receiving buttons. A biasing member biases each button towards an un-pressed position. A plurality of spools includes circumferential grooves. Each circumferential groove has a notch that is angularly displaced relative to each of the other notches on that spool. A plurality of legs is in communication with one of the buttons and contacts one of the circumferential grooves. A locking plate includes apertures receiving the spools. An actuator is associated with the locking plate and a latch. Pressing and releasing the buttons causes translation of the spool rotationally orienting a notch to be adjacent to the locking plate. The locking plate only moves into an unlocked position, when driven by the actuator disengaging the latch and unlocking the lock if all of the notches which are adjacent to the locking plate are in a unlocked rotational orientation.

The lockset includes a first body, a second body and a third body. The first body includes a connecting part, a first A part, and a first B part. The first A part includes a first A lock body, a first A upper face having a first A lock hole, and a first A side face having a first A positioning hole. The first B part includes a first B upper face having a first B lock hole and a first B side face having a first B positioning hole. The second body includes a second upper face having a second rotatable buckle and a second side face having a second positioning unit. The second rotatable buckle has a second rotating unit and a second lock unit. The third body includes a third upper face having a third rotatable buckle and a third side face having a third positioning unit.

The lockset includes a first body, a second body and a third body. The first body includes a connecting part, a first A part, and a first B part. The first A part includes a first A lock body, a first A upper face having a first A lock hole, and a first A side face having a first A positioning hole. The first B part includes a first B upper face having a first B lock hole and a first B side face having a first B positioning hole. The second body includes a second upper face having a second rotatable buckle and a second side face having a second positioning unit. The second rotatable buckle has a second rotating unit and a second lock unit. The third body includes a third upper face having a third rotatable buckle and a third side face having a third positioning unit.

A lock includes a housing having a plurality of apertures receiving buttons. A biasing member biases each button towards an un-pressed position. A plurality of spools includes circumferential grooves. Each circumferential groove has a notch that is angularly displaced relative to each of the other notches on that spool. A plurality of legs is in communication with one of the buttons and contacts one of the circumferential grooves. A locking plate includes apertures receiving the spools. An actuator is associated with the locking plate and a latch. Pressing and releasing the buttons causes translation of the spool rotationally orienting a notch to be adjacent to the locking plate. The locking plate only moves into an unlocked position, when driven by the actuator disengaging the latch and unlocking the lock if all of the notches which are adjacent to the locking plate are in a unlocked rotational orientation.

A child safety door latch system includes interchangeable pushbutton compression springs of varying tensions proportional to selected values of thumb opposition strength. A pair is selected for a predetermined age group. A pair of handles each contain one of the selected pair of compression springs and a pushbutton. A latch includes a latch compression spring and a latch slider. A master connector is coupled to the latch slider. In a locked mode, the selected pair of compression springs cooperate with the latch compression spring such that the latch protrudes from the latch sleeve, holding the door locked.

A child safety door latch system includes interchangeable pushbutton compression springs of varying tensions proportional to selected values of thumb opposition strength. A pair is selected for a predetermined age group. A pair of handles each contain one of the selected pair of compression springs and a pushbutton. A latch includes a latch compression spring and a latch slider. A master connector is coupled to the latch slider. In a locked mode, the selected pair of compression springs cooperate with the latch compression spring such that the latch protrudes from the latch sleeve, holding the door locked.