Title:
HINGE DEVICE FOR OUTWARD OPENING WINDOW
Document Type and Number:
Japanese Patent JP2019138104
Kind Code:
A
Abstract:
To provide a hinge device suitable for an outward opening window.SOLUTION: A torsion spring 13 exerts elastic force in a direction of rotating a sash to an opened position side on a second bracket 12 when the sash is in a closed position. The torsion spring 13 exerts elastic force in a direction of rotating the sash to the closed position side on the second bracket 12 when the sash is in the opened position. This causes the direction of elastic force that the torsion spring 13 exerts on the second bracket 12 to turn over in the middle of an opening operation of the sash displaced in a swinging manner from the closed position to the opened position. In short, the torsion spring 13 exerts closing force on the sash after the direction of elastic force turns over during an opening operation (hereinafter referred to as the time of turning over). Therefore, an increase in swinging displacement speed of the sash is inhibited after the time of turning over.SELECTED DRAWING: Figure 2
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Inventors:
KAMIYA NOBUKUNI
Application Number:
JP2018024318A
Publication Date:
August 22, 2019
Filing Date:
February 14, 2018
Export Citation:
Assignee:
CHUO HATSUJO KK
International Classes:
E05D7/086; E05F1/12
Domestic Patent References:
| JPS6317269U | 1988-02-04 | |||
| JPH0468182A | 1992-03-03 | |||
| JPH0535988U | 1993-05-18 | |||
| JPH05113069A | 1993-05-07 |
Foreign References:
| DE202005000628U1 | 2006-06-01 | |||
| US3787923A | 1974-01-29 |
Attorney, Agent or Firm:
Nagoya International Patent Service Corporation