US 12,420,388 B2
Magnetic driving device
Wen-Hung Chiang, Taichung (TW)
Assigned to SHIN YING ENTPR CO., LTD., Taichung (TW)
Filed by SHIN YING ENTPR CO., LTD., Taichung (TW)
Filed on Apr. 24, 2023, as Appl. No. 18/305,842.
Prior Publication US 2024/0351173 A1, Oct. 24, 2024
Int. Cl. B25B 23/12 (2006.01); B25B 13/06 (2006.01); B25B 23/00 (2006.01)
CPC B25B 23/12 (2013.01) [B25B 13/06 (2013.01); B25B 23/0035 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A magnetic driving device, including:
a sleeving rod, including a connection hole and a receiving hole in communication with the connection hole which are disposed at one end of the sleeving rod, the connection hole being configured to receive a workpiece, a first groove being disposed on a hole wall of the receiving hole;
a movable member, received in the receiving hole, including a magnetic end portion and a second groove;
a retainer, sleeved on the movable member, extending radially within the first groove and the second groove, axially movable in the first groove; and
an elastic member, received in the receiving hole and located between the sleeving rod and the movable member.