Lock device and door and window

• Main Authors: KIKO SETSU, TANIGUCHI MASAHIRO
• Format: Patent
• Language: Chinese; English
• Published: 24.09.2021
• Subjects: BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS; FIXED CONSTRUCTIONS; KEYS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS

A lock device is provided with a lock unit (60) provided to a housing (10) via a unit main body (61); and a lock pin (50) which is provided to a door leaf (20) and maintains the door leaf (20) in a closed state by causing the lock unit (60) to be in a locked state with respect to the unit main body (61) when the door leaf (20) is in a closed state; an operation member (40) which is provided to the door leaf (20) in a state in which the operation member (40) is interlocked with an opening operation of the handle (30), wherein the lock unit (60) is provided with a trigger member (67) for releasing the locked state when the lock unit (60) is disposed at the unlocked position, and the operating member (40) is provided with a release member (80) for moving the trigger member (67) to the unlocked position when the handle (30) is opened in a state in which the door/window sash (20) is closed. Even if a plurality of doors and windows are arranged, the opening operation of door and window sashes can be prevented from