Title:
伸縮アーム装置
Document Type and Number:
Japanese Patent JP6719802
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a telescopic arm device which is used by being mounted on an inspection car for inspecting a bridge, and which extends/retracts a stroke by extending and retracting laminated moving arm members.SOLUTION: A plurality of laminated and arranged moving arm members 20 for constituting a telescopic arm device 10 are constituted by: base end arm members 21 movably disposed on a base 9; a plurality of intermediate arm members 22 movably disposed on them; and tip arm members 23 having cameras 14 for inspection and movably disposed on the uppermost part intermediate arm members 22. The moving arm member 20 is constituted by a pair of channel shape steel plates 36 disposed oppositely and a bottom plate 39 for connecting these. The upper direction movement and the lower direction movement of the moving arm members 20 are restricted by pairs of cam followers 31, 32, 33.SELECTED DRAWING: Figure 2
Inventors:
Nara Tsuguyoshi
Matsui Masashi
Matsui Masashi
Application Number:
JP2016027724A
Publication Date:
July 08, 2020
Filing Date:
February 17, 2016
Export Citation:
Assignee:
Nippon Thompson Co., Ltd.
Yokogawa Bridge Co., Ltd.
Yokogawa Bridge Co., Ltd.
International Classes:
E01D22/00
Domestic Patent References:
| JP2003128392A | ||||
| JP63013999U | ||||
| JP10196647A | ||||
| JP2014109105A | ||||
| JP2015224512A | ||||
| JP59057899A | ||||
| JP2015007362A | ||||
| JP2011236673A | ||||
| JP2017115505A |
Foreign References:
| US4696371 |
Attorney, Agent or Firm:
Onaka Kazumune