Implement

An implement comprising:

• a machine body;
• and a work device attached to the machine body, wherein
• the work device includes a swing member swingable about a shaft as a fulcrum,
• the swing member includes a main body and a coupling body coupled to an end portion of the main body and to which the shaft is attached,
• the coupling body has a hollow shape, and has an opening that opens an inside of the coupling body in an end surface on the main body side,
• the swing member further includes a lid body that closes the opening,
• an inner peripheral surface of the opening includes a groove extending in a circumferential direction of the opening and into which the outer peripheral portion of the lid body is inserted,
• the groove is formed at a position corresponding to a part of the outer peripheral portion of the lid body, and
• the coupling body has a cutout portion that opens the groove to an outside at a position corresponding to another part of the outer peripheral portion of the lid body.