Mechanical pencil

A mechanical pencil, comprising:

• a barrel;
• a cushion spring that is housed in the barrel and that has a rear end being supported by the barrel;
• a sleeve that is housed in the barrel and that is biased forward in an axial direction with respect to the barrel by the cushion spring and movable in a direction perpendicular to the axial direction by an impact applied from outside of the barrel in a state of being elastically supported by the cushion spring;
• a chuck spring that is housed in the sleeve and that has a front end supported by the sleeve;
• a chuck that is housed in the barrel and chucks a writing lead for a mechanical pencil;
• a writing lead tube that houses the writing lead for a mechanical pencil housed in the barrel, and that is fitted to the chuck and biased rearward together with the chuck in the axial direction with respect to the sleeve by the chuck spring;
• and
• a contact sliding part that suppresses movement of the sleeve in the direction perpendicular to the axial direction,
• wherein the sleeve includes a protruding part that protrudes outward in a radial direction from an outer circumferential surface of the sleeve,
• the barrel includes a protruding part that protrudes inward in a radial direction from an inner circumferential surface of the barrel,
• the cushion spring is arranged between the protruding part of the sleeve and the protruding part of the barrel in the axial direction, and
• a tip of the protruding part of the sleeve and the inner circumferential surface of the barrel, as well as a tip of the protruding part of the barrel and the outer circumferential surface of the sleeve are respectively separated from each other so as to have a prescribed clearance in the radial direction.