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Title:
FLEXIBLE GRIPPER HAVING SURFACE MICROSTRUCTURE
Document Type and Number:
WIPO Patent Application WO/2020/232802
Kind Code:
A1
Abstract:
A flexible gripper having a surface microstructure, comprising a motor (8). A bending grabbing mechanism is connected to the end part of the output shaft of the motor by means of a connecting body (7). An air guide channel is formed in the connecting body (7). One end of the air guide channel (5) is communicated with an inflating nozzle (6) on one side surface of the connecting body (7), and the other end of the air guide channel (5) is communicated with the bending grabbing mechanism. The structure of the bending grabbing mechanism comprises a flexible finger plate (4). The top end of the flexible finger plate (4) is connected to the bottom surface of the connecting body (7), and the bottom end of the flexible finger plate (4) is a free end. An elastic body (10) is connected to one side surface of the flexible finger plate (4) and is formed into a whole by connecting a plurality of mutually communicated air bags (3) in a length direction sequentially. An inflatable cavity (9) is formed in each air bag (3). The inflating cavities (9) of every two adjacent air bags (3) are communicated by means of an air channel (1). The inflatable cavity (9) of the air bag (3) located at the top most is communicated with the air guide channel (5). In an uninflated state, the volumes of the inflatable cavities (9) of the air bags (3) decrease in sequence in the direction distant from the connecting body (7). The flexible gripper can effectively grabs objects having a complex shape and an irregular structure.

Inventors:
WANG KUN (CN)
DONG KANG (CN)
CAI JIAHUI (CN)
WANG CHENGYI (CN)
LI KE (CN)
Application Number:
CN2019/094794
Publication Date:
November 26, 2020
Filing Date:
July 05, 2019
Export Citation:
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Assignee:
UNIV JIANGNAN (CN)
International Classes:
B25J15/00
Foreign References:
CN108466281A2018-08-31
CN104959992A2015-10-07
CN106003131A2016-10-12
CN205704258U2016-11-23
CN107309897A2017-11-03
CN207027549U2018-02-23
CN208645377U2019-03-26
US3343864A1967-09-26
Attorney, Agent or Firm:
WUXI HUAYUAN PATENT AND TRADEMARK AGENCY (GENERAL PARTNERSHIP) (CN)
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