Gripper mechanism (1) comprising a stator (2) and a pair of mobile grippers moveably coupled to the stator (2) via a linear bearing (8), the stator comprising a housing (4) and a permanent magnet (3) mounted within the housing (4), the mobile gripper (19) comprising a support portion (9), a coil (11) mounted on the support portion (9), and a gripper finger (10) coupled to the support portion (9), the coil (11) configured to generate a magnetic field in opposition to a magnetic field of the permanent magnet (3) to actuate displacement of the mobile gripper relative to the stator. The gripper mechanism further comprises at least one magnetic locking mechanism (7) comprising at least a first permanent magnet (18) mounted on one of the stator (2) and the mobile grippers (19), and a complementary soft magnetic material portion or magnet mounted on the other of the stator (2) and the mobile grippers (19) configured to magnetically lock the mobile grippers in at least one of a closed or opened position of the mobile grippers (19).

A self-propelled gripper is installed on a robotic arm. The robotic arm includes a body and a tip axis. The self-propelled gripper includes a housing, a rotation element, a moving element, and at least one claw body. The housing is fixed on the body. The rotation element is disposed in the housing and secured with the tip axis. The moving element is movably disposed in the housing and is connected to the rotation element. The moving element includes at least one slot. The claw body is pivoted on the housing and partially extends in the corresponding slot. When the rotation element rotates along with the tip axis, the rotation element drives the moving element to process a linear motion along a rotation central line so that the claw body pivotally rotates on the housing.

A rotary drive member drives a driven member. A ring surrounding the driven member has two cam recesses containing lock members between cam surfaces of cam recesses and the ring. Each recess accommodates an associated lock member at different locations where the recess is shallower. Driving the driven member is permitted in a given rotation relative to the ring, but each lock member inhibits rotation of the driven member in the opposite sense. The recesses extend in opposite directions. Coupling between the driven members is free-play whereby reversal in the rotation disengages members and reengages. Protuberances extending into cam recesses retain a lock member associated with one recess at the deeper location permitting movement of the other lock member towards the shallower location. Upon reversal of the rotation, the protuberances retain another lock member at the deeper location permitting movement of one lock member.

Various aspects of robotic grippers are disclosed herein. In one aspect, a robotic gripper may include three gripper fingers arranged on a mechanical end effector, the three gripper fingers configured to translate radially when actuated to contact and align with a gripper interface located on a part to enable manipulation of the part. In various embodiments, each gripper finger may include an elongated portion configured to contact an outer surface of the gripper interface when the gripper fingers are actuated. Each gripper finger may further include a hook portion configured to contact an inner surface of the gripper interface opposing the outer surface. In various embodiments, the hook portion may include a receptacle positioned to align with a complementary protrusion on the gripper interface.

A mechanical device for grasping an object includes a lower arm defining a proximal end portion, a distal end portion, an inner profile, and at least one track disposed along a portion of the lower arm between the proximal end portion and the distal end portion. An upper arm is pivotally connected to the lower arm, the upper arm defining a proximal end portion, a distal end portion, and an inner profile. An actuator is pivotally connected to the proximal end portion of the upper arm, the actuator including at least one protrusion slidably disposed within the track of the lower arm.

An example device includes fingers that are adjustable longitudinally and configured to grip a workpiece. A clamping or locking mechanism can be used to secure the fingers at desired longitudinal positions. In examples, a retaining component is disposed through the fingers and is configured to retain the fingers in lateral directions.

An air chuck includes a chuck unit including a pair of fingers that capable of being freely opened and closed, an operation unit that includes an operation mechanism, which opens and closes the pair of fingers, connection mechanisms for attaching the chuck unit to the operation unit such that the chuck unit is freely attachable and detachable to and from the operating unit, and a locking mechanism that locks the pair of fingers such that the pair of fingers are capable of being freely opened and closed when the chuck unit is attached to the operation unit and such that the pair of fingers are not able to be opened or closed when the chuck unit is detached from the operation unit.

The present invention relates to a gripping tool, a system, a clamping tool and a method of handling objects, where the gripping tool comprises a transmission mechanism arranged in a housing, wherein the transmission mechanism is coupled to a plurality of arms located outside the housing. One or more gripping elements are arranged on each arm. The gripping elements are releasable connected to the arm to enable a quick and easy repositioning and/or exchange of the gripping elements. An exchange station may be used to reposition or exchange the gripping element.

A gripper for industrial manipulators includes: at least two jaws one of which being movable allowing it to be opened and closed; and a gripper body. A first gripper body portion housing an actuator device and a second portion supporting the jaws and at least one pin element, defining a pivot axis of the movable jaw, or a pivot axis of at least one transmission element operatively interposed between the at least one movable jaw and the actuator device. The gripper arranged so that the pin element also acts as a locking pin to firmly lock together the first and second portions of the gripper body in assembled condition. The pin element having a circumferential groove which allows a snap coupling of the first portion and the second portion of the gripper body: an elastic element separating them and engaging the edge of one of the two in the groove.

Provide is a robot and a control method thereof in which the motion of an arm 12 as a specified limb among a plurality of limbs 12 and 14 extended from a body 10 is controlled according to a specified trajectory. If a first interaction state, in which a hand 126, which is an end effector, interacts with a horizontal wood member L (j) of a ladder L in a first mode is implemented, then a control command is given to an actuator 41 that drives the hand 126 to cause the hand 126 to perform a grasping motion, thereby implementing a second interaction state, in which the hand 126 interacts with the horizontal wood member L (j) in a second manner. If the second interaction state is implemented, a control command is given to a brake 42 to maintain a motion halt state of the hand 126.