Y10S901/29

Mechanical wrist joints with enhanced range of motion, and related devices and methods

A wrist joint, such as for a surgical instrument, may include a first disc, a second disc adjacent the first disc, a drive tendon connecting the first disc and the second disc. The first disc and the second disc may include respective opposing gear features that intermesh with one another. The first disc and the second disc may further include opposing load bearing surfaces. In response to tensioning the drive tendon, the first and second discs rotate relative to each other. The first and second discs may have a maximum rotational range of motion greater than about +/−45 degrees relative to each other.

Torque sensor

Aspects of the disclosure include a torque sensor arrangement configured to attach between a first part and a second part to sense torque therebetween, the torque sensor arrangement comprising an interface member having on its exterior an engagement configuration configured to rotationally engage the first part, a torsion member comprising a deflectable body attached at one end thereof to the interface member and comprising, at the other end of the deflectable body, an engagement configuration configured to fixedly engage the second part, and a deflection sensor attached to the deflectable body, wherein the interface member defines a rigid sleeve extending around the deflectable body and the torque sensor arrangement further comprises a bushing located between and in contact with both the sleeve and the deflectable body.

Robot having a variable transmission ratio

An apparatus having a drive unit having a first drive axis rotatable about a first axis of rotation and a second drive axis rotatable about a second axis of rotation, the second drive axis being coaxial with and partially within the first drive axis and axially rotatable within the first drive axis. A robot arm has an upper arm connected to the drive unit at the first drive axis, a forearm coupled to the upper arm, the forearm being coupled to the upper arm at a first rotary joint and rotatable about the first rotary joint, the first rotary joint being actuatable by a first band arrangement coupled to the second drive axis, and an end effector coupled to the forearm, the end effector being coupled to the forearm at a second rotary joint and rotatable about the second rotary joint, the second rotary joint being actuatable by a second band arrangement coupled to the first rotary joint. The second band arrangement is configured to provide a variable transmission ratio.

User-assisted robotic control systems

Exemplary embodiments relate to user-assisted robotic control systems, user interfaces for remote control of robotic systems, vision systems in robotic control systems, and modular grippers for use by robotic systems. The systems, methods, apparatuses and computer-readable media instructions described interact with and control robotic systems, in particular pick and place systems using soft robotic actuators to grasp, move and release target objects.

Wrist Structure of Industrial Robot
20170368697 · 2017-12-28 · ·

A first hollow part having a center axis coincident with a first axis of a wrist structure is formed in a forearm. A through passage, which communicates with the first hollow part is formed in a first wrist element. A second hollow part having a center axis coincident with a third axis is formed in a third wrist element. An umbilical member is inserted through the first hollow part, the through passage, and the second hollow part. A brake device is eliminated from at least one of a motor for a second wrist and a motor for a third wrist.

MECHANICAL WRIST JOINTS WITH ENHANCED RANGE OF MOTION, AND RELATED DEVICES AND METHODS

A wrist joint comprises first and second joint features, the first joint feature having a first end surface profile defining a central protrusion, a first outer protrusion, a second outer protrusion, a first recess, and a second recess, wherein the first recess and the second recess are on opposite sides of the central protrusion and between the first outer protrusion and the second outer protrusion, and the second joint feature having a second end surface profile defining a central recess, a first outer recess, a second outer recess, a first protrusion between the central recess and the first outer recess, and a second protrusion between the central recess and the second outer recess, wherein the first protrusion and the second protrusion have an end surface profile different from the end surface profile of the first outer protrusion, the second outer protrusion, and the central protrusion.

Method for component handling and connecting of components
09796041 · 2017-10-24 · ·

A combination component handling and connecting device connectable to a multi-axis robot for use in moving and connecting components and subassemblies includes a housing and an actuator fixedly connected to the housing. The actuator includes an actuating link movable from a first position to a second position. Connected to the actuating link is an end effector for concurrent movement with the actuating link. The component handling and connecting device includes a clamp having a first jaw and a second jaw. The second jaw is connected to the actuating link for selectively moving the second jaw toward the first jaw operative to engage a component.

Robot and manufacturing method for robot
09796097 · 2017-10-24 · ·

A robot includes a base, a multi-joint arm provided in the base, and a wrist member configuring a part of the multi-joint arm. The wrist member includes: a motor including a rotor, a rotor shaft, and a stator; and a housing including a motor housing recess, in which the motor is positioned and housed, and forming an external shape of the wrist member. The housing has a motor incorporating recess including a positioning section for the stator, a hole section for fixing the stator incorporated in the motor incorporating recess, and a heat radiation groove section on a sidewall of the motor incorporating recess. A heat radiation member is filled in the heat radiation groove section.

ROBOT ARM
20170282358 · 2017-10-05 · ·

Provided is a robot arm including an upper arm, a forearm installed at the distal end of the upper arm, a wrist element installed at the distal end of the forearm to be rotatable around an axis line and having a hollow part through which the axis line penetrates, a motor installed in the forearm and rotating the element around the axis line, and a mechanism transmitting rotation of the motor to the element while reducing speed of rotation. The motor includes a rotation center axis extending obliquely downward on the opposite side of the upper arm. The mechanism includes a hypoid gear set including an output hypoid gear fixed to the element coaxially with the axis line and an input hypoid gear, and a gear set including a gear wheel fixed to the input hypoid gear and a pinion fixed to the motor.

USER-ASSISTED ROBOTIC CONTROL SYSTEMS

Exemplary embodiments relate to user-assisted robotic control systems, user interfaces for remote control of robotic systems, vision systems in robotic control systems, and modular grippers for use by robotic systems. The systems, methods, apparatuses and computer-readable media instructions described interact with and control robotic systems, in particular pick and place systems using soft robotic actuators to grasp, move and release target objects.