Patent ID: 11923135
Assignee: KOSMEK LTD.
Field: Other special machines (Mechanical engineering)
Classification: CPC H  B  F | IPC F  H

Claim 2:
3. A magnetic clamp device comprising a plate body made of magnetic material having a cavity portion formed in a surface of the plate body, and a magnetic pad disposed in the cavity portion, said magnetic pad having a magnetic pole, a reversible magnet with reversible polarity disposed between the magnetic pole and a bottom of the cavity portion, and a non-reversible magnet disposed between the magnetic pole and an inner circumferential side of the cavity portion,
wherein said magnetic pole and said reversible magnet each have a fastening hole communicating with each other, and said cavity portion has an opening that extends from the bottom of the cavity portion to a back side of the plate body, said opening having a diameter larger than a diameter of each fastening hole of said magnetic pole and said reversible magnet,
wherein a cap having a base portion that has a bolt hole communicating with each fastening hole of said magnetic pole and said reversible magnet and a flange portion that abuts a surface of the back side of the plate body is inserted into the opening, and
wherein the bolt hole extends into the back side of the plate body, and a bolt inserted into the bolt hole and a fastening hole of the non-reversible magnet from a flange portion side of the cap is screwed into a female thread provided on the fastening hole of the magnetic pole,
wherein a female thread is provided on an inner circumference of the opening.