Patent ID: 11929227
Assignee: CHERYONG ELECTRIC CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A multi-contact disconnect switch for a lightning arrester, comprising:
a first body having a passage formed therein and a multi-contact unit positioned on one side of the passage; and
a second body having a contact shaft inserted into the passage and coupled to an other side of the first body, wherein, when the second body is coupled to the first body in a contact state, an end of the contact shaft is in contact with the multi-contact unit, and thus the multi-contact unit is in multi-contact with a circumferential contact surface of the contact shaft,
wherein the multi-contact unit comprises:
an open ring-shaped contact body, and
a plurality of support bodies arranged in an outward oblique direction on both sides of the contact body, and supported on a step formed on the one side of the passage,
wherein a plurality of contact pieces arranged at regular intervals are formed in the contact body,
wherein each of the plurality of support bodies are spaced apart at regular intervals and arranged in a sawtooth shape,
wherein a width of the multi-contact unit is maintained at 5 millimeters (mm) to 50 mm, and
a length of the first body is maintained at 30 mm to 300 mm, wherein the width of the multi-contact unit is less than the length of the first body.