Title:
JOINING STRUCTURE OF ROD OF GROUND SURVEY DEVICE
Document Type and Number:
Japanese Patent JP2023012684
Kind Code:
A
Abstract:
To provide a joining structure of a rod of a ground survey device capable of easily and safely attaching and detaching the rod even in a state where a load in a vertical direction acts on the rod.SOLUTION: A joining structure of a rod of a ground survey device in which the rod is penetrated into the ground when the target ground is investigated includes: a joining member 4 whose cap part 41 covering an upper end jig 221 of the rod 22 is provided at the lower end; and a pin part 5 which is inserted in a direction orthogonal to an axial direction of the rod so as to be engaged with the cap part and the upper end jig. This pin part is arranged along a pair of concave parts 221a provided on the peripheral surface of the upper end jig.SELECTED DRAWING: Figure 1
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Inventors:
FUTAGAWA KAZUKI
NISHINA YUKI
AIZAWA AKIHIKO
WATANABE YOSHIKATSU
ONO MASAYUKI
NISHINA YUKI
AIZAWA AKIHIKO
WATANABE YOSHIKATSU
ONO MASAYUKI
Application Number:
JP2021116270A
Publication Date:
January 26, 2023
Filing Date:
July 14, 2021
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD
TRAVERS CORP
TRAVERS CORP
International Classes:
G01V3/18; E02D1/00
Attorney, Agent or Firm:
Cleo International Law & Patent Office
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