US 12,186,893 B2
Soft grip head, soft grip unit having the same, and grip device having the soft grip unit
Sung-Hyuk Song, Daejeon (KR); Byung In Kim, Sejong (KR); Sung Hwi Lee, Daejeon (KR); Chan Hun Park, Daejeon (KR); Dong Il Park, Daejeon (KR); Jongwoo Park, Sejong (KR); Byoung-Kil Han, Daejeon (KR); Hyun Mok Jung, Daejeon (KR); Yongsin Seo, Daejeon (KR); and Jae Young Lee, Daejeon (KR)
Assigned to KOREA INSTITUTE OF MACHINERY & MATERIALS, Daejeon (KR)
Appl. No. 17/608,943
Filed by KOREA INSTITUTE OF MACHINERY & MATERIALS, Daejeon (KR)
PCT Filed Jan. 13, 2021, PCT No. PCT/KR2021/000508
§ 371(c)(1), (2) Date Nov. 4, 2021,
PCT Pub. No. WO2021/145685, PCT Pub. Date Jul. 22, 2021.
Claims priority of application No. 10-2020-0005811 (KR), filed on Jan. 16, 2020; application No. 10-2020-0024948 (KR), filed on Feb. 28, 2020; application No. 10-2020-0106250 (KR), filed on Aug. 24, 2020; application No. 10-2020-0106251 (KR), filed on Aug. 24, 2020; and application No. 10-2020-0106252 (KR), filed on Aug. 24, 2020.
Prior Publication US 2022/0314461 A1, Oct. 6, 2022
Int. Cl. B25J 15/06 (2006.01)
CPC B25J 15/0683 (2013.01) [B25J 15/0625 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A soft grip head having a suction pad, the sucking pad making contact with an object, wherein the suction pad comprises:
a sidewall dividing the suction pad into a plurality of spaces, both ends of each of the spaces being open; and
a plurality of suction cells respectively formed by the spaces divided by the sidewall,
wherein the suction pad comprises a material having a stiffness along an axial direction smaller than a stiffness along a width direction,
wherein the suction cells extend along the axial direction, and the width direction is substantially perpendicular to the axial direction, and
wherein a plurality of supporting parts fixed inside of each of the suction cells by a predetermined distance, along a circumferential direction of the suction cells.