Patent ID: 11935716
Assignee: OMRON CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A relay, comprising:
a fixed contact;
a movable contact piece including a movable contact arranged to face the fixed contact;
a contact case configured to accommodate the fixed contact and the movable contact piece;
a movable portion configured to move in a moving direction including a contact direction in which the movable contact contacts the fixed contact and an open direction in which the movable contact is separated from the fixed contact, the movable portion including a drive shaft and a movable iron core that moves in the moving direction relative to the drive shaft, the drive shaft fixed to the movable contact piece in the contact case, the drive shaft extending from an inside of the contact case to an outside of the contact case, the movable iron core movably connected to the drive shaft and being located outside the contact case;
a coil configured to generate a magnetic force that moves the movable iron core in the moving direction of the movable portion;
a return spring configured to urge the movable portion in the open direction; and
a contact spring configured to urge the drive shaft in the contact direction, the contact spring being arranged completely outside the contact case in both 1) a state in which the movable contact contacts the fixed contact and 2) a state in which the movable contact is separated from the fixed contact.