Title:
窓開閉装置及び開閉窓
Document Type and Number:
Japanese Patent JP7180404
Kind Code:
B2
Abstract:
To provide a window opening/closing device capable of suppressing an increase in manufacturing cost and a decrease in strength surface while improving aesthetic property by making a part visible from an indoor side clear and smooth appearance.SOLUTION: A window opening/closing device 1 includes: a base 2; a worm supported by the base 2, extending substantially in the indoor/outdoor direction, and coaxial with a drive shaft; a worm wheel 5 engaged with the worm, supported by the base 2, and swinging around a vertical axis V; a swing arm 6 swinging together with the worm wheel 5 and extending in an outdoor horizontal plane; a connecting arm 7 connecting the swing arm 6 and a sash C; and an operator handle 8 or the like attached to the drive shaft. The base 2 is provided with a mounting part E capable of mounting the base 2 from an outdoor side OD to the mounting part of a window frame B. The base 2 is housed in the window frame B with the mounting part E of the base 2 mounted on the mounting part of the window frame B.SELECTED DRAWING: Figure 1
Inventors:
Shinichi Hosoi
Application Number:
JP2019009054A
Publication Date:
November 30, 2022
Filing Date:
January 23, 2019
Export Citation:
Assignee:
Nakanishi Metal Industry Co., Ltd.
International Classes:
E05F11/34; E05F11/14
Domestic Patent References:
| JP3715794Y1 | ||||
| JP11223067A | ||||
| JP431981U | ||||
| JP63184971U | ||||
| JP2010144461A | ||||
| JP1054174A |
Attorney, Agent or Firm:
Takao Yanagino
Yoshihide Yanagino
Norio Morioka
Sekiguchi Hisayu
Masato Nakagawa
Yoshihide Yanagino
Norio Morioka
Sekiguchi Hisayu
Masato Nakagawa
Previous Patent: Developing device, process cartridge, and image forming apparatus
Next Patent: CYLINDER LOCK DEVICE
Next Patent: CYLINDER LOCK DEVICE