Abstract: A defrost mechanism which includes a first link cooperating with the actuating pin defined by a first end having a pivot and a second end fastened with a bellow lever, a second link defining a third end pivotably supported in said pivot and a fourth end slidably engaged in an adjusting lever and a switch configured to cut off power supply of the refrigerator, said switch forming a part of the electrical circuit supplying power to the refrigerator, said switch configured to be operated by the manual actuation of the actuating pin. The defrost mechanism offers simplicity of construction having less parts and reduces costs involved in manufacturing.

Abstract: The device comprises two fixed contacts, a movable assembly coupled to the central portion of a movable contact the free ends of which can cooperate with the said fixed contacts, and a control electromagnet comprising a solenoid and a movable core displaceable from an initial rest position to a final position in which it strikes a stop element carrying with it the movable assembly so as to bring the end of the movable contact against the fixed contacts before reaching the final position. The movable contact can flex resiliently like a beam under the effect of its engagement with the fixed contacts. When the core strikes the stop element, the fixed contacts oscillate about their normal working positions.

Abstract: An electrical switch, particularly for controlling the supply of current to the electric starter motor of an internal combustion engine, in which the movable device and/or its control device are formed in such a way that, in its operating position, the movable contact oscillates after it has struck the fixed contacts and assumes successive configurations in which its deformation or deflection always keeps the same sign.

Abstract: The starter includes a movable pinion and a control electromagnet. A transmission between the core of the electromagnet and the pinion includes a rocker lever. The lever has a shaped profile so that the initial loadless travel of the core is shorter than would be the case with a substantially straight lever, if other geometrical conditions remain the same.