Title:
AUTOMATIC HOLE EXPANSION DEVICE FOR SOIL SAMPLING
Document Type and Number:
Japanese Patent JP2021055510
Kind Code:
A
Abstract:
To provide an automatic hole expansion device for soil sampling.SOLUTION: An automatic hole expansion device for soil sampling includes a base 10 and a body 60. The body is rotatably provided on a top face of the base, a first storage space 47 is provided on a left side end face of the body, a first slide plate 30 is slidably provided in the first storage space, a hole expansion mechanism 73 is provided in the first slide plate, the hole expansion mechanism includes a slidable hole expansion slide block 13, a hole expansion groove is formed in the bottom of the hole expansion slide block, two hole expansion plates are connected to each other symmetrically at right and left sides by a hinge in the hole expansion groove, a second storage space 61 is provided on the right side face of the body, and the second storage space is positioned in the bottom of the first storage space.SELECTED DRAWING: Figure 1
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Inventors:
ZHANG WEIPING
Application Number:
JP2019217281A
Publication Date:
April 08, 2021
Filing Date:
November 29, 2019
Export Citation:
Assignee:
ZHANG WEIPING
International Classes:
E02D1/04
Domestic Patent References:
| JP2004068325A | 2004-03-04 | |||
| JP2004061472A | 2004-02-26 |
Foreign References:
| CN102426115A | 2012-04-25 | |||
| CN206990255U | 2018-02-09 | |||
| CN209858247U | 2019-12-27 |
Attorney, Agent or Firm:
Kazuhisa Iwanaga