Title:
引戸用クローザー
Document Type and Number:
Japanese Patent JP7101983
Kind Code:
B2
Abstract:
To provide a closer for a sliding door capable of starting a low-speed automatic closing action at a stage when a door body is left after being opened, executing a braking action in a final closing range, and continuing to surely complete the closing.SOLUTION: Provided is a closing brake device comprising: a drive unit including a drive case, a center cam, a slide bit and a spring member; an interlocking gear unit formed by engaging a plurality of gears including a cam coupling gear, a rack engaging gear and a stepped gear; and a braking damper. Next, a rack receiving device including a rack member and an abutting member is provided. The closing brake device and the rack receiving device are distributively mounted on the door body and an upper frame such that the rack engaging gear and the rack member are in an engaged state. A rotation action of the center cam is obtained from an opening operation of the door body via the interlocking gear unit, resulting in a closing force to be accumulated in the drive unit, the automatic closing action is executed when the door body is left after opening, and the braking ation is obtained from an abutment of the braking damper and the abutting member in the final closing range.SELECTED DRAWING: Figure 1
Inventors:
Nishitani Hitoshi
Application Number:
JP2018164945A
Publication Date:
July 19, 2022
Filing Date:
September 03, 2018
Export Citation:
Assignee:
Nishitani Hitoshi
International Classes:
E05F1/16; E05F3/10; E05F5/02
Domestic Patent References:
| JP2004285792A | ||||
| JP201675055A | ||||
| JP52171140U | ||||
| JP2011021631A1 |
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