Optical connector cleaning tool

An optical connector cleaning tool comprising:

• a cleaning tool main body including a grip portion;
• a feed-side bobbin configured to hold a cleaning medium wound in a roll and rotatably provided in the cleaning tool main body;
• a cleaning portion on which the cleaning medium drawn out of the feed-side bobbin is exposed;
• a winding-side bobbin configured to wind the cleaning medium that has passed through the cleaning portion and provided in the cleaning tool main body to be rotatable only in a winding direction to wind the cleaning medium;
• a moving body configured to reciprocally move with respect to the cleaning tool main body in synchronism with a cleaning operation;
• a projecting portion connected to the moving body and projecting from the cleaning tool main body in a direction parallel to a moving direction of the moving body;
• a feed mechanism configured to be interlocked with the moving body, draw out the cleaning medium, and feed the cleaning medium to the cleaning portion;
• and
• a winding mechanism configured to be interlocked with the moving body and drive the winding-side bobbin in the winding direction,
• wherein the feed mechanism includes a turn-back portion at one point where the cleaning medium is turned back between the cleaning portion and the winding-side bobbin, and is configured to move the turn-back portion in a direction to separate from the winding-side bobbin,
• the winding mechanism comprises:
• a rotation body including an outer peripheral surface provided with a number of engaging projections and configured to rotate integrally with the winding-side bobbin;
• a driving piece extending in a tangent direction of the rotation body and formed to engage with the engaging projections and
• a spring arranged between the moving body and the driving piece and configured to deform elastically such that the driving piece is displaced in a direction which crosses the tangent direction of the rotation body and which moves the driving piece apart from the rotation body,
• wherein the driving piece is configured to press the engaging projections such that the winding-side bobbin rotates in the winding direction along with movement of the moving body toward a direction in which the projecting portion projects from the cleaning tool main body, and the driving piece is configured to slip as a result of a tooth jump with respect to the rotation body when a load to press the engaging projections such that the winding-side bobbin rotates in the winding direction has reached a predetermined load that is a load higher than a load generated when the winding-side bobbin rotates in the winding direction to wind the cleaning medium drawn out by the feed mechanism and lower than a load generated when the winding-side bobbin rotates in the winding direction to draw the cleaning medium out of the feed-side bobbin.