Conveyance seat

A conveyance seat comprising:

• a seat cushion having a pad material placed on a frame;
• and
• an adjustment device configured to move a front end of the seat cushion to adjust a length of the seat cushion in a front-to-back direction;
• wherein the adjustment device has
• a support portion attached to be movable relative to the frame in the front-to-back direction, and
• a roller portion rotatably supported by the support portion and configured such that the pad material is wound around an outer peripheral portion of the roller portion at a front end portion of the seat cushion;
• wherein the length of the seat cushion is adjustable by a change in an amount of winding of the pad material around the outer peripheral portion corresponding to a rotation of the roller portion during movement of the support portion in the front-to-back direction;
• and
• wherein the outer peripheral portion is made of a soft material;
• wherein the adjustment device has a cover member configured to cover at least a portion of the roller portion, and the cover member is fastened to the support portion, and is movable together with the support portion when the support portion moves;
• wherein the cover member has
• a front wall portion positioned at a front of the pad material wound around the outer peripheral portion and covering the pad material, and
• a side wall portion that laterally covers a side end surface of the roller portion.

A conveyance seat comprising:

• a seat cushion having a pad material placed on a frame;
• and
• an adjustment device configured to move a front end of the seat cushion to adjust a length of the seat cushion in a front-to-back direction;
• wherein the adjustment device has
• a support portion attached to be movable relative to the frame in the front-to-back direction, and
• a roller portion rotatably supported by the support portion and configured such that the pad material is wound around an outer peripheral portion of the roller portion at a front end portion of the seat cushion;
• wherein the length of the seat cushion is adjustable by a change in an amount of winding of the pad material around the outer peripheral portion corresponding to a rotation of the roller portion during movement of the support portion in the front-to-back direction;
• and
• wherein the outer peripheral portion is made of a soft material;
• wherein the seat cushion has a skin material configured to cover the pad material, the roller portion is configured such that the pad material and the skin material are wound around the outer peripheral portion at the front end portion, and a skin fixing portion for fixing an end portion of the skin material is attached to a rotary shaft of the roller portion.