This application describes multi-stage stop devices for robotic arms. During a first stage, rotational motion of a link of a robotic arm compresses a compressible member of the multi-stage stop device to absorb and dissipate at least some of the force generated by the collision. A second stage provides a hard stop the stops any further rotation. The multi-stage stop devices described herein can include a collapsing pin configured to compress a compressible member during the first stage. After the pin has collapsed a rigid sidewall provides a hard stop preventing further rotation during the second stage.

A vibration isolator has a bearing body that is supported on at least two air springs, wherein each air spring has a chamber which is closed by a membrane and to which compressed air can be applied.

The present disclosure relates to a robot and a housing thereof. The housing includes a forearm shell, an upper arm shell and a chest shell. At least one of the forearm shell, the upper arm shell and the chest shell is a flexible shell. The flexible shell includes an elastic main body layer. According to the above technical solution, the robot housing provided by the present disclosure may reduce and even avoid limitations of the housing to motion ranges of joints of the robot, and also ensures attractive appearance.

A quadruped robot body having a flexible buffer structure includes a housing having an accommodating cavity, a buffer connection portion capable of connecting to a fixed end of a joint unit being provided at at least one position on the housing. The buffer connection portion is provided with a connection hole for fixedly connecting to the joint unit. One or more strip-shaped holes are provided in a region where the buffer connection portion connects to the housing. Further disclosed is a quadruped robot. The strip-shaped hole is provided on the buffer connection portion, and under the action of an external force, the strip-shaped hole can deform slightly to generate a slight displacement between the hole wall and a surrounding region, thus achieving buffering of the external force. The present invention features a simple structure, low manufacturing costs, no need to reserve an additional mounting space, and a compact structure.

A robot leg structure includes: a link 500 extending downward from a leg joint; a ground contact portion 600 that comes in contact with a ground, a leaf spring 300 that couples the link 500 and the ground contact portion 600 to each other; and a damping member 400 arranged to be adjacent to the leaf spring 300 and configured to couple the link 500 and the ground contact portion 600 to each other. With this configuration, the damping member 400 damps the vibration attributed to the leaf spring 300, making it possible to reliably stabilize the motion of the legs of a robot.

A humanoid robot includes: a body portion; a head portion; a left arm and a right arm that have ends connected to the left and right at an upper portion of the body portion; a left foot and a right foot that have ends connected to the left and right at a lower portion of the body portion; and a left running unit and a right running unit provided to the other ends of the left foot and the right foot. The left running unit has a left drive wheel on a front side of an advancing direction and a left follower wheel on a rear side in the advancing direction, the right running unit has a right drive wheel on a front side of the advancing direction, and a right follower wheel on a rear side in the advancing direction.

Intermediaries for a robot and robotic end effector for orthopedic surgery operatively couple a surgical robot to an end effector of such a robot. The intermediaries therefor comprise means to absorb and/or counteract reactionary forces from the end effector (which end effector may, as an example, be a surgical tool) and to reduce forces that would otherwise be imparted on the robot. An intermediary comprises a sleeve of shock-absorbing material that couples the robot and end effector. Another intermediary comprises an isolation connector that provides for an indirect coupling between the robot and the end effector and includes an absorption means for absorption or dispersion of reactionary forces from the end effector.

A clamping jaw of a connecting terminal includes a rotary cylinder assembly configured for achieving different swing angles for clamping different types of connecting terminals. The rotary cylinder assembly includes a rotating shaft for providing a driving force through rotating cylinder and an initial state limit part. A first state limit part is configured to position the rotating cylinder in a first rotation angle and a second state limit part has a working and non-working position. When the second state limit part is in the working position, it is configured to position the rotating cylinder in a second rotation angle. When the second state limit part is in the non-working position, it is configured to position the rotating cylinder in the first rotation angle. The second rotation angle is smaller than the first rotation angle.

An actuator module includes a drive unit for generating a rotational force, a deceleration unit connected to the drive unit to receive the rotational force therefrom for reducing a rotational speed transmitted thereto to increase the rotational force, a flexible unit connected to the deceleration unit to receive the rotational force therefrom and having a plurality of elastic members in a stacked form, the elastic members being variable by an external force, and an output unit connected to the flexible unit to receive the rotational force therefrom for outputting the transmitted rotational force to the outside, wherein the elastic members have the same elastic force or different elastic forces, and are selectively varied depending on the magnitude of the external force applied to the output unit.

One aspect of the present disclosure provides a foot structure for a walking robot including a link configured to define a body, a buffer unit coupled to one end portion of the link and having a vacant space formed therein, and a pressure sensor provided in the link and configured to detect a change in pressure of air in the vacant space in the buffer unit.