EXTRACTION DEVICE AND RETAINING DEVICE

摘要

An extraction device according to an embodiment, includes an elastic body, first and second pressing units, and a pulling unit. The elastic body includes a first end facing a first direction, a second end positioned opposite from the first end, and a contact face facing a second direction intersecting with the first direction, and can expand in the second direction. The first and second pressing units press the first and second ends. The pulling unit can pull the second pressing unit in the first direction. The contact face comes into contact with an object to be extracted, when the elastic body compressed by pressing force expands in the second direction. When the pulling unit is pulled in the first direction, while the contact face is in contact with the object to be extracted, the object to be extracted is pulled by friction between the object and the contact face.

主权项

1. An extraction device, comprising:
an elastic body that includes a first end facing a first direction, a second end positioned opposite from the first end, and a contact face facing a second direction intersecting with the first direction, the elastic body configured to expanding in the second direction; a first pressing unit configured to press the first end of the elastic body; a second pressing unit configured to press the second end of the elastic body; and a pulling unit configured to pull the second pressing unit toward the first direction, wherein the contact face is configured to come into contact with an object to be extracted when the elastic body compressed by pressing force of the first pressing unit and pressing force of the second pressing unit expands in the second direction, and the pulling unit is configured to pull the object to be extracted with friction between the object to be extracted and the contact face when the pulling unit is pulled in the first direction while the contact face of the elastic body is in contact with the object to be extracted.