Abstract: The wrist includes a first frameless permanent magnet AC powered motor 22 in a first housing 12 with this motor providing movement of a rack 34 along a translational axis A1 with a second frameless permanent magnet motor 42 carried in a second housing 18 connected to the carriage 16 of which the rack 34 is a part so that the housing 18 is movable along an insertion or translation axis A1 with the second motor 42 providing a rotary output. Both of the motors are AC powered and the rotors thereof are each supported solely by a single X type bearing 28 and 48.

Abstract: A device to reaction train animals to avoid an area where the device is located. The device comprising a housing in which there are batteries connected between a conductive housing cover and a conductive earthing post through a switch. The earthing post projects from the underside of the housing and lies within a continuous moisture barrier projecting from the underside of the housing to interrupt a direct moisture path between the cover and the earthing post.