This link actuation device includes: a proximal end side link hub; a distal end side link hub; and three or more link mechanisms which each couple the distal end side link hub to the proximal end side link hub. Each link mechanism includes: proximal side and distal side end link members, and an intermediate link member. The link mechanism is provided with an actuator which arbitrarily changes the posture of the distal end side link hub relative to the proximal end side link hub. A workpiece is disposed on the proximal end side link hub, and an end effector is disposed in the distal end side link hub so as to face inside of arrangement of the link hubs and perform work onto the workpiece.

When the mass of the first moving body is defined as M1, the mass of the second moving body is defined as M2, the distance between a first intersection point of a perpendicular line from a rotation center of the rotation axis to the first moving body and a first gravity center of the first moving body when the distance between the first intersection point and the first gravity center in the first moving body is the shortest is defined as L1, and the distance between a second intersection point of a perpendicular line from the rotation center of the rotation axis to the second moving body and a second gravity center of the second moving body when the distance between the second intersection point and the second gravity center in the second moving body is the shortest is defined as L2, M2=(L1/L2)×M1 is satisfied.

Disclosed is a multi-directional input device, including a pressing switch. Each of two opposite side surfaces of the pressing switch is provided with a first protrusion. The base includes two base side surfaces respectively opposite to the two opposite side surfaces of the pressing switch. Each of the two opposite base side surfaces is provided with a second protrusion respectively, and the second protrusion is engaged with the first protrusion to fix the pressing switch.

Mowing systems include a mower and a remote control unit such as a handheld unit, between which is provided 1- or 2-way communications. Components and features are included in the mower, the remote control unit, or both to enhance the safety, functionality, or user experience of the system's user/operator. Aspects of the invention relate to: an enable switch on the remote control unit that requires activation within a specified time before activating a drive system or PTO unit; sharing diagnostic information between the mower and remote control unit and emitting user-detectable warnings in response to the shared information; reducing a danger level of the system when a proximity between the mower and the remote control unit is too small; and using inclinometers in the mower and the remote control unit to control operation of the mower based on tilt angles of both the mower and the remote control unit.

A remote control device for a remotely controlled device including; a first input controller, including a grippable body which a user is able to apply a force and torque thereto with a first hand in order to be able to control yaw, pitch, roll and elevation of a remotely controlled vehicle; a second input controller enabling a user to control, with a second hand, a peripheral device associated with remotely controlled device; a communication device; and a controller, configured to: receive one or more first input and one or more second input signals from the first input controller and the second input controller respectively; and control the communication device for transmitting: a first output signal indicative of a first command based on the force and torque applied to the grippable body; and a second output signal indicative of a second command for controlling the peripheral device.

A manipulating device includes a base part, a user interface disposed above the base part and having a movable part and a grip part, a parallel link mechanism having a pair of arm parts and a pair of link parts, a position sensor configured to detect a position of a base-end part of the arm part, and a controller configured to control at least one of a position and a posture of a robot based on the position detected by the position sensor. The arm part is rotatably connected at a base-end part to the base part, the link part is rotatably connected at a base-end part to the arm part, and is rotatable connected at a tip-end part to the movable part, and the base part is coupled to the movable part through three sets of parallel link mechanisms with six degrees of freedom.

Mowing systems include a mower and a remote control unit such as a handheld unit, between which is provided 1- or 2-way communications. Components and features are included in the mower, the remote control unit, or both to enhance the safety, functionality, or user experience of the system's user/operator. Aspects of the invention relate to: an enable switch on the remote control unit that requires activation within a specified time before activating a drive system or PTO unit; sharing diagnostic information between the mower and remote control unit and emitting user-detectable warnings in response to the shared information; reducing a danger level of the system when a proximity between the mower and the remote control unit is too small; and using inclinometers in the mower and the remote control unit to control operation of the mower based on tilt angles of both the mower and the remote control unit.

A controller is capable of controlling an asset or target in physical and/or virtual three-dimensional space using a single hand by generating control inputs in four or more degrees of freedom while also limiting cross-coupling (unintended motions). The controller includes a first control member is configured to be gripped in a user's single, second control member is disposed on or near a top end of the first member movable with at least one degree of freedom independently of the movement of the first control member, and a third control member positioned on the first member for displacement by one or more digits of the user's single hand and coupled with the second member to move in opposition to movement of the second control member.

A user controller having a thumb sheath with an open side defined in the thumb sheath. Further embodiments relate to thumb presence sensors and sensory feedback components associated with the thumb sheath. Additional embodiments relate to an adjustable thumb sheath. Still other embodiments relate to systems comprising such user controllers.

The present invention is relates to a user controller having a thumb sheath with an open side defined in the thumb sheath. Further embodiments relate to thumb presence sensors and sensory feedback components associated with the thumb sheath. Additional embodiments relate to an adjustable thumb sheath. Still other embodiments relate to systems comprising such user controllers.