Title:
OPENING-CLOSING DEVICE AND FOLDING DOOR DEVICE
Document Type and Number:
Japanese Patent JP2023172038
Kind Code:
A
Abstract:
To provide an opening-closing device that can automatically open and close a folding door even though it has a simple, easily assembled structure, and a folding door device using the opening-closing device.SOLUTION: An opening-closing device of the present invention includes a base plate, a pair of center cams fixed to the base plate so as to correspond to a first door body and a second door body that can be folded into two and can be opened and closed, a pair of slide cams slidably arranged with respect to the pair of center cams, an elastic body that applies an energizing force to press the slide cams against the center cams and a pair of case plates that are rotatably mounted respectively on each of the pair of center cams and house the pair of slide cams and the elastic body. When the slide cams slide and rotate while being pressed against the center cams by the energizing force, the first door body and the second door body shift between an open state and a closed state.SELECTED DRAWING: Figure 2
Inventors:
AZUMA YOTA
KIKUCHI TAKESHI
KIKUCHI TAKESHI
Application Number:
JP2022083591A
Publication Date:
December 06, 2023
Filing Date:
May 23, 2022
Export Citation:
Assignee:
MURAKOSHI MFG CORP
International Classes:
E05D3/12; E05F1/12; E06B3/48
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Junichi Maekawa
Ueshima class
Junichi Maekawa
Ueshima class
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