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Patent Searching and Data


Title:
MECHANICAL ARM
Document Type and Number:
WIPO Patent Application WO/2021/179597
Kind Code:
A1
Abstract:
A mechanical arm, relating to the technical field of fans. The mechanical arm comprises fingers (1), a palm (2), a forearm (3), an upper arm (4), and a fixed seat (5). One end of the upper arm (4) is fixed to the fixed seat (5), and the other end of the upper arm (4) is rotatably connected to one end of the forearm (3). The other end of the forearm (3) is rotatably connected to the palm (2). The multiple fingers (1) are rotatably connected to the palm (2). A rotation axis of the upper arm (4) intersects with a rotation axis of the forearm (3). The finger (1) comprises a first joint (6), a second joint (7), and a third joint (8) rotatably connected in sequence. The first joint (6) is rotatably connected to the palm (2). A first driving assembly comprises a first steel wire (9), a first push rod (10), and a first spring. The first push rod (10) is fixed to the fixed seat (5). A second driving assembly comprises a second steel wire (11), a second push rod (12), and a second spring. The second push rod (12) is fixed to the fixed seat (5). A third driving assembly comprises a third steel wire (13), a third push rod (14), and a third spring. The third push rod (14) is fixed to the fixed seat (5). The mechanical arm has fingers provided with multiple movable joints, is therefore flexible, and has great holding power.

Inventors:
LEI GUOHUA (CN)
Application Number:
PCT/CN2020/120520
Publication Date:
September 16, 2021
Filing Date:
October 13, 2020
Export Citation:
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Assignee:
LEI GUOHUA (CN)
International Classes:
B25J15/00; B25J15/02; B25J15/10
Foreign References:
CN111360854A2020-07-03
CN109746934A2019-05-14
CN206982704U2018-02-09
CN208100400U2018-11-16
CN105751232A2016-07-13
CN207710784U2018-08-10
KR20160013403A2016-02-04
US4921293A1990-05-01
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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