Title:
MAGNETIC LIFT APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/191234
Kind Code:
A1
Abstract:
The present invention provides a magnetic lift apparatus comprising: a fixed permanent magnet; a first pole piece contacting the N pole of the fixed permanent magnet and having a working surface; a second pole piece which is disposed opposite to the first pole piece, and is in contact with the S pole of the fixed permanent magnet and has a working surface; and a rotating permanent magnet which is coupled to be rotatable by a motor around a rotational shaft in the center portion between the first and second pole pieces, and further comprises: a cam connected to the rotational shaft of the rotating permanent magnet; first and second limit switches provided around the cam at respective corresponding positions according to rotation directions, wherein the motor is connected to a power supply unit selectively through the first and second limit switches, and an alarm unit which indicates that adsorption of an object is possible is further included between any one side of the first or second limit switch and the power supply unit.
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Inventors:
PARK YOUNG JAE (KR)
Application Number:
PCT/KR2022/018465
Publication Date:
October 05, 2023
Filing Date:
November 22, 2022
Export Citation:
Assignee:
SANGYOUNG MAGNET CO LTD (KR)
International Classes:
B66C1/08; H01F7/02; H02K7/116
Foreign References:
| KR102279195B1 | 2021-07-19 | |||
| US20210031317A1 | 2021-02-04 | |||
| KR20190071595A | 2019-06-24 | |||
| KR102284603B1 | 2021-08-02 | |||
| JPH1110572A | 1999-01-19 | |||
| CN108231326A | 2018-06-29 |
Attorney, Agent or Firm:
JUNG, Nam Jin et al. (KR)
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