Abstract: According to one embodiment, a gripping tool includes a gripper. The gripper is flexible. A granular material is provided in an interior of the gripper. The gripper is configured to grip a workpiece by being in close contact with the workpiece in a state in which an outer perimeter of the gripper is held, and by the interior of the gripper being depressurized.

Abstract: According to one embodiment, a gripping tool includes a gripper. The gripper is flexible. A plurality of granular materials is provided in an interior of the gripper. The gripping tool grips a workpiece by depressurizing the interior of the gripper in a state in which the gripper is caused to contact the workpiece. A diameter of at least a portion of the granular materials is less than 1774 ?m.

Abstract: According to one embodiment, a gripping tool includes a gripper. The gripper is flexible. A granular material is provided in an interior of the gripper. The gripper is configured to grip a workpiece by being in close contact with the workpiece in a state in which an outer perimeter of the gripper is held, and by the interior of the gripper being depressurized.

Abstract: According to one embodiment, a gripping tool includes a gripper and a suction pad. The gripper is flexible. A granular material is provided in an interior of the gripper. The suction pad includes a pad portion and a pipe-shaped member and is surrounded with the gripper. The pad portion suctions a workpiece. The pipe-shaped member is connected to the pad portion. The suction pad is movable with respect to the gripper in a first direction. The first direction is from the pad portion toward the pipe-shaped member.

Abstract: According to one embodiment, a gripping tool includes a gripper. The gripper is flexible. A granular material is provided in an interior of the gripper. The gripping tool grips a workpiece by depressurizing the interior of the gripper in a state in which the gripper is caused to contact the workpiece. The gripper includes a first portion contacting the workpiece, and a second portion opposing the first portion. The granular material is provided in a first space between the first portion and the second portion. A hardness of at least a portion of the first portion is less than 46.9.

Abstract: According to one embodiment, a gripping tool includes a gripper. The gripper is flexible. A granular material is provided in an interior of the gripper. The gripper is configured to grip a workpiece by being in close contact with the workpiece in a state in which an outer perimeter of the gripper is held, and by the interior of the gripper being depressurized.

Abstract: A robot hand device according to an embodiment includes extensible arms which can be extended and shortened, a drive motor, and at least one clutch. The extensible arms support an object to be carried and are capable of being extended and shortened. The drive motor extends and shortens the extensible arms. The at least one clutch are capable of transmitting power of the motor to at least one of the extensible arms selected among the extensible arms to extend and shorten the selected at least one of the extensible arms.

Abstract: According to one embodiment, a gripping tool includes a gripper. The gripper is flexible. A granular material is provided in an interior of the gripper. The gripping tool grips a workpiece by depressurizing the interior of the gripper in a state in which the gripper is caused to contact the workpiece. At least a portion of the gripper includes a resin member and a fibrous member. The fibrous member is provided inside the resin member.

Abstract: According to one embodiment, a gripping tool includes a gripper. The gripper is flexible. A plurality of granular materials is provided in an interior of the gripper. The gripping tool grips a workpiece by depressurizing the interior of the gripper in a state in which the gripper is caused to contact the workpiece. A diameter of at least a portion of the granular materials is less than 1774 ?m.

Abstract: According to one embodiment, a gripping tool includes a gripper. The gripper is flexible. A plurality of granular materials is provided in an interior of the gripper. The gripping tool grips a workpiece by depressurizing the interior of the gripper in a state in which the gripper is caused to contact the workpiece. A diameter of at least a portion of the granular materials is less than 1774 ?m.

Abstract: According to one embodiment, a gripping tool includes a gripper. The gripper is flexible. A granular material is provided in an interior of the gripper. The gripping tool grips a workpiece by depressurizing the interior of the gripper in a state in which the gripper is caused to contact the workpiece. The gripper includes a first portion contacting the workpiece, a second portion opposing the first portion, and a fibrous membrane having a plurality of pores and being provided between the first portion and the second portion. A diameter of at least a portion of the pores is smaller than a diameter of the granular material. The granular material is provided between the fibrous membrane and the second portion.

Abstract: According to one embodiment, a gripping tool includes a gripper. The gripper is flexible. A plurality of granular materials is provided in an interior of the gripper. The gripping tool grips a workpiece by depressurizing the interior of the gripper in a state in which the gripper is caused to contact the workpiece. A diameter of at least a portion of the granular materials is less than 1774 ?m.

Abstract: According to one embodiment, a gripping tool includes a gripper. The gripper is flexible. A granular material is provided in an interior of the gripper. The gripping tool grips a workpiece by depressurizing the interior of the gripper in a state in which the gripper is caused to contact the workpiece. The gripper includes a first portion contacting the workpiece, and a second portion opposing the first portion. The granular material is provided in a first space between the first portion and the second portion. A hardness of at least a portion of the first portion is less than 46.9.

Abstract: According to one embodiment, a gripping tool includes a gripper. The gripper is flexible. A granular material is provided in an interior of the gripper. The gripping tool grips a workpiece by depressurizing the interior of the gripper in a state in which the gripper is caused to contact the workpiece. At least a portion of the gripper includes a resin member and a fibrous member. The fibrous member is provided inside the resin member.

Abstract: According to one embodiment, a gripping tool includes a gripper and a suction pad. The gripper is flexible. A granular material is provided in an interior of the gripper. The suction pad includes a pad portion and a pipe-shaped member and is surrounded with the gripper. The pad portion suctions a workpiece. The pipe-shaped member is connected to the pad portion. The suction pad is movable with respect to the gripper in a first direction. The first direction is from the pad portion toward the pipe-shaped member.

Abstract: According to one embodiment, a gripping tool includes a gripper. The gripper is flexible. A granular material is provided in an interior of the gripper. The gripping tool grips a workpiece by depressurizing the interior of the gripper in a state in which the gripper is caused to contact the workpiece. The gripper includes a first portion contacting the workpiece, a second portion opposing the first portion, and a fibrous membrane having a plurality of pores and being provided between the first portion and the second portion. A diameter of at least a portion of the pores is smaller than a diameter of the granular material. The granular material is provided between the fibrous membrane and the second portion.

Abstract: According to one embodiment, a gripping tool includes a gripper. The gripper is flexible. A granular material is provided in an interior of the gripper. The gripper is configured to grip a workpiece by being in close contact with the workpiece in a state in which an outer perimeter of the gripper is held, and by the interior of the gripper being depressurized.

Abstract: A robot hand device according to an embodiment includes extensible arms which can be extended and shortened, a drive motor, and at least one clutch. The extensible arms support an object to be carried and are capable of being extended and shortened. The drive motor extends and shortens the extensible arms. The at least one clutch are capable of transmitting power of the motor to at least one of the extensible arms selected among the extensible arms to extend and shorten the selected at least one of the extensible arms.