Patent ID: 8072300

Claim:
An electromagnetic relay comprising: a movable block; a pair of hinge portions that protrude from both sides of the movable block on a first axis, each of the pair of hinge portions comprising a wide connection portion and a shaft portion; a base block having common contact terminals disposed thereon; and an electromagnetic block mounted on the base block, wherein the connection portions of the pair of hinge portions are welded so as to be integrated with the common contact terminals of the base block to provide welded portions, wherein, based on excitation and non-excitation of the electromagnetic block, the movable block is rotated, with the shaft portions of the pair of hinge portions as a rotation axis to open and close contacts, wherein, for each of the pair of hinge portions: the welded portion is provided in an inside edge portion of the connection portion of the hinge portion, a reference line connects a point of action, which is located between the welded portion and the rotation axis, and a center of the welded portion, and the reference line intersects a boundary between the connection portion and the welded portion, which are welded so as to be integrated.