Title:
ラッチ錠
Document Type and Number:
Japanese Patent JP6895677
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a latch lock which makes moving speed reduce at the time of returning of a latch with a simple composition, and is difficult to cause sound at the time of opening and closing of a door.SOLUTION: A latch lock has a latch unit 4 which is installed to a lock box. The latch unit 4 has a latch 6 and a latch case 7. The latch 6 can move and slide between a protrusion position and a recess position, and, in the latch case 7, a spring 9 and a push member 8 which pushes the latch 6 as being pushed in the protrusion direction of the latch 6 by the spring 9 are provided. Further, the latch unit 4 has a moving speed inhibition mechanism 55. The moving speed inhibition mechanism 55 has a pinion 38 and a rotary dumper 33 which inhibits rotation speed of the pinion 38, and a straight rack tooth row 41a. The pinion 38 is provided to the push member 8. The rack tooth row 41a is provided to the latch case 7. The pinion 38 is engaged with the rack tooth row 41a and can move relatively along the rack tooth row 41a.SELECTED DRAWING: Figure 11
Inventors:
Yasuo Nishi
Hiroyuki Katsube
Hiroyuki Katsube
Application Number:
JP2017014820A
Publication Date:
June 30, 2021
Filing Date:
January 30, 2017
Export Citation:
Assignee:
West inx Co., Ltd.
International Classes:
E05C1/08; E05B65/06
Domestic Patent References:
| JP2011052526A | ||||
| JP2017001428A | ||||
| JP2012034805A |
Foreign References:
| US20030090113 | ||||
| CN105421898A |
Attorney, Agent or Firm:
Takashi Fujita