ラッチ錠

Japanese Patent JP7315211

B2

To provide a latch lock that can be easily dug into a door and that can change the right and left-handedness of a latch without using a front plate, and an operation member suitable for the same.SOLUTION: A lock case is formed by two cylinders partially overlapping each other in the vertical direction to form an almost figure-eight column shape, and in the resulting inner space a latch, a hub with a square hole, a latch spring, a swinging member, a slide member, a rotating pipe member, and a stopper member are placed. A latch lock is inserted from the front face of a door into a dug-in part which is formed such that two processes are carried out by staggering the seating by a circular cutting tool from the front face of the door by a certain distance in the vertical direction, an operating member made up of a handle with a square shaft and a pedestal is provided, and after fixing the latch lock and the pedestal, the handle is mounted with the square shaft inserted into the square hole of the hub. The right and left-handedness of the latch lock can be changed by operating the stopper member located on the lock case in the upward direction, rotating the rotating pipe member 180 degrees together with the latch, and then pushing down the stopper member again.SELECTED DRAWING: Figure 1

Hitoshi Nishitani

JP2019188262A

July 26, 2023

October 13, 2019

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Hitoshi Nishitani

E05B9/02; E05B1/06; E05B3/00; E05B9/08; E05B63/04; E05C1/16

JP8158723A
JP1030368A
JP2015127493A
JP738520U
JP57180056U
JP201563822A
JP200238772A
JP2013256800A
JP2009275352A

US20080012361

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