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公开(公告)号：US20210053761A1
公开(公告)日：2021-02-25
申请号：US16628240
申请日：2018-12-27
摘要： A finger guard member includes: a first surface disposed between one end of a roller and a belt wound around the one end; a second surface in which a notch having a width larger than a shaft diameter of a fixed shaft of the roller is formed with respect to the fixed shaft positioned outside the one end in a longitudinal direction of the roller; and a positioning part disposed inside the notch. When the fixed shaft has a first shaft diameter, the finger guard member is positioned by the positioning part being supported by a peripheral surface of the fixed shaft. When the fixed shaft has a second shaft diameter greater than the first shaft diameter, the finger guard member is positioned by an edge of the notch being supported by the peripheral surface of the fixed shaft with the positioning part being not present on the second surface.
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公开(公告)号：US10926955B1
公开(公告)日：2021-02-23
申请号：US16628240
申请日：2018-12-27
摘要： A finger guard member includes: a first surface disposed between one end of a roller and a belt wound around the one end; a second surface in which a notch having a width larger than a shaft diameter of a fixed shaft of the roller is formed with respect to the fixed shaft positioned outside the one end in a longitudinal direction of the roller; and a positioning part disposed inside the notch. When the fixed shaft has a first shaft diameter, the finger guard member is positioned by the positioning part being supported by a peripheral surface of the fixed shaft. When the fixed shaft has a second shaft diameter greater than the first shaft diameter, the finger guard member is positioned by an edge of the notch being supported by the peripheral surface of the fixed shaft with the positioning part being not present on the second surface.
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