Stand of front loader, front loader, and work vehicle with supporting-time guiding hole

A stand of a front loader, comprising:

• a main body that is disposed on a boom and swings between a supporting position in which the main body supports a front loader and a storage position in which the main body is stored;
• a grounding-member swing shaft that is disposed on the main body and engages with the boom to hold the main body in the storage position;
• a swinging member swingably disposed on the boom;
• and
• an engagement lever disposed on the swinging member, wherein
• the main body has a guiding hole that guides the engagement lever to regulate a swinging range of the main body,
• the main body has a supporting-position holding portion that engages with the engagement lever when the main body swings to the supporting position to hold the main body in the supporting position, and
• the guiding hole comprises a supporting-time guiding hole that guides the engagement lever when the main body swings to the supporting position, and extends along the line that does not pass through the swing center of the main body when viewed from the swing-shaft direction of the main body,
• the main body has a supporting-position holding portion that engages with the engagement lever when the main body swings to the supporting position to hold the main body in the supporting position,
• the guiding hole comprises a supporting-time guiding hole that guides the engagement lever when the main body swings to the supporting position, and extends along the line that does not pass through the swing center of the main body when viewed from the swing-shaft direction of the main body, and
• the supporting-time guiding hole is a through hole in a side surface of the main body.