彫込錠

Japanese Patent JP7096727

B2

To provide a mortise lock which makes workability improved when a housing of a cylinder is fixed at an adjustment position to a cylinder installation opening of a lock case of the mortise lock.SOLUTION: A housing 7 of a cylinder 2 has a plurality of protrusion portions 10a-10c which are arranged in the shaft direction, and attachment portions 11 to which insert rotation stopping members 12 can be inserted from the shaft direction. Each cylinder installation opening 18 has a large diameter portion 19 of which an inner diameter can receive the protrusion portions 10a-10c in the shaft direction, small diameter protrusion portions 20 of which an inner diameter cannot receive the protrusion portions 10a-10c in the shaft direction, and rotation restriction portions 21 which receive the rotation stopping members 12 in the circumferential direction. The housing 7 is inserted in the cylinder installation opening 18 so as to direct the protrusion portions 10a-10c toward the large diameter portion 19, and is rotated in a state that a position of the shaft direction thereof is adjusted, and the protrusion portions 10a, 10b, 10c that correspond to the adjustment position are overlapped to the small diameter protrusion portions 20 in the shaft direction, and the rotation stopping members 12 fixed to the attachment portions 11 are received to the rotation restriction portions 21 in the circumference direction, and rotation of the housing 7 is restricted.SELECTED DRAWING: Figure 1

Akihiro Fukui
Nakatomo

JP2018138240A

July 06, 2022

July 24, 2018

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Shibutani Co., Ltd.

E05B9/08; E05B9/04; E05B15/00; E05B63/08

JP2007291666A
JP2002213113A
JP2003325917A
JP416269U

Naoya Kamada
Bunji Kamata
Yaichiro Nakatani
Mitsuhiro Tobinaga

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