Title:
避難梯子装置用係止具、及びこれを備えた避難梯子装置
Document Type and Number:
Japanese Patent JP6901060
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a locking device which can be simply and additionally attached to an existing escape ladder device that is not provided with countermeasures against vibration of an upper lid due to strong wind.SOLUTION: An elastically deformable locking device, for use in an escape ladder device that includes a frame formed at its upper and lower ends with openings, a ladder accommodated in the frame in a folded manner, an upper lid pivotably attached to the frame for closing the opening at the upper end of the frame, and a lower lid pivotably attached to the frame for closing the opening at the lower end of the frame, configured to lock between the upper lid and the frame in a detachable manner, the locking device being featured to include a fixing piece fixed to the upper lid, a suspended piece extending from the fixing piece toward the lower lid along an outside of the frame, an operating piece extending from the suspended piece toward the outside of the frame and exposed from between the upper lid and the frame, and a protrusion engaged with a hole formed in the frame and protruding from the suspended piece toward the frame to release the engagement with the hole in response to a push-up action of the operating piece.SELECTED DRAWING: Figure 2
More Like This:
| JPH02285190 | INSTALLATION CONSTRUCTION OF ESCAPE DEVICE |
Inventors:
Hiroyuki Yamamoto
Ken Mikami
Ken Mikami
Application Number:
JP2017003721A
Publication Date:
July 14, 2021
Filing Date:
January 12, 2017
Export Citation:
Assignee:
Yamato Protec Co., Ltd.
International Classes:
E06C9/06; E06C9/08
Domestic Patent References:
| JP2010035733A | ||||
| JP11290470A |
Foreign References:
| KR1020130017928A |
Attorney, Agent or Firm:
Koichi Naka
Isao Tanaka
Yoshiaki Morisada
Isao Tanaka
Yoshiaki Morisada