Back to results
US 11,448,001 B2Granted
Locking device and door driving unit including the same
AssigneeNabtesco Corporation
InventorShinji Ueda
Life of this patent
Estimating the term…
Abstract
A locking device includes a cam that is formed in a rotating unit configured to rotate about a rotational center axis that is parallel to an opening width direction of a door, and the cam permits or prohibits movement of a door leaf in the opening width direction in accordance with a rotational position of the rotating unit.
Claims6
A locking device comprising:
- a first cam formed in a rotating unit configured to rotate about a rotational center axis that is parallel to an opening width direction of a door, the first cam being configured to permit or prohibit movement of a door leaf in the opening width direction in accordance with a rotational position of the rotating unit;
- and
- a second cam formed in the rotating unit, the second cam being configured as a rotation prohibiting portion for prohibiting rotation of the rotating unit at such a position as to prohibit the movement of the door leaf when the door leaf has reached a door closing position.
A door driving unit, comprising:
- a locking device comprising a cam formed in a rotating unit configured to rotate about a rotational center axis that is parallel to an opening width direction of a door, the cam being configured to permit or prohibit movement of a door leaf in the opening width direction in accordance with a rotational position of the rotating unit;
- and
- a door driving device for driving the door leaf in the opening width direction when the cam is in such a position as to permit the movement of the door leaf in the opening width direction.
Dependencies are inferred from the claim text.