Work machine

A work machine, comprising:

• an actuator that extends and retracts a telescopic boom;
• an electric drive source that is provided in the actuator and drives using power supplied from a power source;
• an operating unit that operates based on power of the electric drive source;
• and
• a joint that has a drive-side element fixed to a first transmission shaft that rotates on the basis of the power of the electric drive source and a driven-side element fixed to a second transmission shaft connected to the operating unit, the joint being able to take a transmission state in which both the drive-side element and the driven-side element rotate and a non-transmission state in which only either the drive-side element or the driven-side element rotates,
• wherein
• the boom includes a first boom element and a second boom element that are telescopically overlapped with each other, and
• the operating unit includes:
• a first connecting mechanism that connects the first boom element and the actuator based on an urging force of a first urging mechanism and releases the connection between the first boom element and the actuator based on the power of the electric drive source, and
• a second connecting mechanism that connects the first boom element and the second boom element based on an urging force of a second urging mechanism, and releases the connection between the first boom element and the second boom element on the basis of the power of the electric drive source.