公开(公告)号：US12201559B2

公开(公告)日：2025-01-21

申请号：US17477658

申请日：2021-09-17

Applicant: POSTECH Research and Business Development Foundation ,  Kyungpook National University Industry-Academic Cooperation Foundation

Inventor： Wan Kyun Chung ,  Ikjong Park ,  Hong Kyun Kim ,  Hyung Gon Shin

IPC: A61F9/007

Abstract: A vacuum tweezer according to the present disclosure includes: a first plate and a second plate of which first and second needle holes facing each other are drilled at lower ends of each, and are positioned to face each other; and a first side plate and a second side plate connecting and fixing the first plate and second plate to form a tube and including a recess portion that is concave downward at a higher position than the first and second needle holes, respectively.

公开(公告)号：US20230166408A1

公开(公告)日：2023-06-01

申请号：US18070657

申请日：2022-11-29

Applicant: POSTECH Research and Business Development Foundation

Inventor： Hyung Gon SHIN ,  Keehoon Kim ,  Wan Kyun Chung

IPC: B25J15/00 ,  F15B15/10

CPC classification number: B25J15/0023 ,  B25J15/0033 ,  F15B15/10 ,  F15B2215/30

Abstract: Disclosed is a multi-layer soft pneumatic actuator, including: a surface layer including driving protrusions formed on one surface; a first chamber layer stacked on the other surface of the surface layer and including a first chamber configured to partially overlap the driving protrusion; a second chamber layer stacked on a layer different from the first chamber layer on the other surface of the surface layer, including a second chamber having a partial region overlapping the driving protrusion and the first chamber; and an air line layer configured to inject air into each of the first chamber and the second chamber.