US 11,744,236 B2
Magnetic braking mechanism, bait casting reel and fishing tool
Yunting Zhang, Guangdong (CN); and Liang Huang, Guangdong (CN)
Assigned to Shenzhen Bosaidong Technology Co., Ltd., Shenzhen (CN)
Filed by Shenzhen Bosaidong Technology Co., Ltd., Guangdong (CN)
Filed on Jan. 26, 2022, as Appl. No. 17/584,431.
Claims priority of application No. 202111191390.1 (CN), filed on Oct. 13, 2021.
Prior Publication US 2023/0116392 A1, Apr. 13, 2023
Int. Cl. A01K 89/01 (2006.01); A01K 89/0155 (2006.01)
CPC A01K 89/01555 (2013.01) 21 Claims
OG exemplary drawing
 
1. A magnetic braking mechanism, comprising:
a spool;
a magnetic braking assembly arranged on a side of the spool, the magnetic braking assembly including a magnet assembly for generating magnetic induction lines and a centrifugal adjusting assembly for automatically adjusting a spacing between the magnet assembly and an inner wall of the spool according to a rotation speed of the spool, so as to adjust a range of the magnetic induction lines cut by the spool, thereby automatically adjusting a magnitude of a braking force;
wherein the centrifugal adjusting assembly comprises a spring, and the magnet assembly comprises a magnet base and at least one arc magnet body consisting of a plurality of magnets, the magnet base is provided with at least one mounting base and at least one sliding base both in an arc shape, each arc magnet body is disposed on each of the sliding base, and a bottom part of the arc magnet body is located in the spool, the sliding base is movably sleeved on the mounting base through the spring, in order to move in a radial direction under a centrifugal force or an elastic force of the spring, thereby adjusting the spacing between the arc magnet body and the inner wall of the spool when the spool is rotated.