Abstract: A cooling device includes a refrigerant circulation channel, and a pump configured to pump refrigerant in the refrigerant circulation channel A heat generating part of an articulated robot includes a heat generating part of an end effector, and a part of the refrigerant circulation channel is formed as a first heat exchanging part configured to exchange heat between the heat generating part of the end effector and the refrigerant, and another part of the refrigerant circulation channel is formed as a radiator. The radiator is a passive radiator, and is attached in an exposed state to a part of the surface of an arm, configured to move in a space when a joint of the arm is driven.

Abstract: An electric lever device includes: a casing including a base portion attached to a machine main body; a cam supported by a support shaft at the casing and configured to swing in a plane intersecting with a center axis of the support shaft; and an operating lever fixed to the cam and configured to be tilted integrally with the cam in the same plane, wherein: a tilt detecting switch configured to detect tilt of the operating lever is attached to the casing so as to be located higher than the base portion; and the cam includes a tilt detection engaging portion configured to move an acting portion of the tilt detecting switch when the operating lever is tilted from a neutral position.

Abstract: An electric lever device includes: a casing including a base portion attached to a machine main body; a cam supported by a support shaft at the casing and configured to swing in a plane intersecting with a center axis of the support shaft; and an operating lever fixed to the cam and configured to be tilted integrally with the cam in the same plane, wherein: a tilt detecting switch configured to detect tilt of the operating lever is attached to the casing so as to be located higher than the base portion; and the cam includes a tilt detection engaging portion configured to move an acting portion of the tilt detecting switch when the operating lever is tilted from a neutral position.