Title:
段差解消用スロープ装置
Document Type and Number:
Japanese Patent JP7488110
Kind Code:
B2
Abstract:
To provide a constitution capable of constituting an expansion/contraction stroke between the lowest position and the highest position of a movable plate long and excellent in quick expansion/contraction operation and operability for expansion/contraction, concerning an expansion/contraction mechanism for vertically moving the movable plate in a slope device for eliminating level difference.SOLUTION: An expansion/contraction mechanism (14) is composed of: an upper pivot member (21) pivotally connected to a movable plate; a lower pivot member (23) pivotally connected to a fixed body or a leg seat; and a rotary drive member (24) whose upper and lower ends are mutually screwed to the lower and upper pivot members by first screw means (26) and second screw means (27), which are mutually reverse threaded. The rotary drive member (24) is screwed into the cylindrical part (21a) of the upper pivot member and is configured such that an upper-end part of the rotary drive member, which is inserted upward from the cylindrical part (21a), is received in a housing space (25).SELECTED DRAWING: Figure 5
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Inventors:
Haruki Akita
Application Number:
JP2020091182A
Publication Date:
May 21, 2024
Filing Date:
May 26, 2020
Export Citation:
Assignee:
Alinco Co., Ltd.
International Classes:
E04G27/00; E04F11/00
Domestic Patent References:
| JP2005207145A | ||||
| JP2019190091A | ||||
| JP2014201920A | ||||
| JP2003213899A |
Foreign References:
| WO2018216354A1 |
Attorney, Agent or Firm:
Shuji Nakano