An automatic large-mass-weight handling system comprises: a weight picking device (10) configured for picking up and holding a large-mass-weight (75); a driving device (80) for providing a driving power; a weight transferring device (50) comprising a first horizontal rail (52) and a vertical rail (62) assembled to the first horizontal rail (52) in a way of being movable along the first horizontal rail (52), the first horizontal rail (52) extending in a first horizontal direction, the vertical rail (62) extending in a vertical direction perpendicular to the first horizontal direction, and the weight picking device (10) being assembled to the vertical rail (62); and a control unit for controlling the movement of the weight picking device (10); wherein the control unit controls the driving device (80) in a way that the weight picking device (10) is able to be moved automatically in the first horizontal direction and is able to be moved automatically in the vertical direction.

An automatic large-mass-weight handling system comprises: a weight picking device (10) configured for picking up and holding a large-mass-weight (75); a driving device (80) for providing a driving power; a weight transferring device (50) comprising a first horizontal rail (52) and a vertical rail (62) assembled to the first horizontal rail (52) in a way of being movable along the first horizontal rail (52), the first horizontal rail (52) extending in a first horizontal direction, the vertical rail (62) extending in a vertical direction perpendicular to the first horizontal direction, and the weight picking device (10) being assembled to the vertical rail (62); and a control unit for controlling the movement of the weight picking device (10); wherein the control unit controls the driving device (80) in a way that the weight picking device (10) is able to be moved automatically in the first horizontal direction and is able to be moved automatically in the vertical direction.

A second generation NIST Kibble balance includes: a main body including a main body fulcrum node; a lever bar in mechanical communication with the main body and that pivots about the main body fulcrum node; a central flexural bridge in flexural mechanical communication with the main body and the lever bar; a measurement mass arm mechanically coupled to the main body via the lever bar, the central flexural bridge, and a mass arm flexural bridge; the mass arm flexural bridge in flexural mechanical communication with the measurement mass arm and the lever bar; a reference force arm mechanically coupled to the main body via the lever bar, the central flexural bridge, and a reference arm flexural bridge; and the reference arm flexural bridge in flexural mechanical communication with the reference force arm and the lever bar.

An automatic large-mass-weight handling system comprises: a weight picking device (10) configured for picking up and holding a large-mass-weight (75); a driving device (80) for providing a driving power; a weight transferring device (50) comprising a first horizontal rail (52) and a vertical rail (62) assembled to the first horizontal rail (52) in a way of being movable along the first horizontal rail (52), the first horizontal rail (52) extending in a first horizontal direction, the vertical rail (62) extending in a vertical direction perpendicular to the first horizontal direction, and the weight picking device (10) being assembled to the vertical rail (62); and a control unit for controlling the movement of the weight picking device (10); wherein the control unit controls the driving device (80) in a way that the weight picking device (10) is able to be moved automatically in the first horizontal direction and is able to be moved automatically in the vertical direction.

An automatic large-mass-weight handling system comprises: a weight picking device (10) configured for picking up and holding a large-mass-weight (75); a driving device (80) for providing a driving power; a weight transferring device (50) comprising a first horizontal rail (52) and a vertical rail (62) assembled to the first horizontal rail (52) in a way of being movable along the first horizontal rail (52), the first horizontal rail (52) extending in a first horizontal direction, the vertical rail (62) extending in a vertical direction perpendicular to the first horizontal direction, and the weight picking device (10) being assembled to the vertical rail (62); and a control unit for controlling the movement of the weight picking device (10); wherein the control unit controls the driving device (80) in a way that the weight picking device (10) is able to be moved automatically in the first horizontal direction and is able to be moved automatically in the vertical direction.

Various embodiments are directed to methods and apparatuses for determining a weight of one or more objects disposed about an area of the weight measurement device using a single force sensor to accurately measure a force generated by the one or more objects. In various embodiments, the apparatus comprises a housing, a receiving tray, a lever assembly configured to receive a weight force from the receiving tray and generate a collective lever force corresponding to the weight force, the lever assembly comprising a plurality of levers, wherein each lever of the plurality of levers being at least substantially fixed to the housing at a first lever location and configured to receive a partial weight force from the receiving tray at a second lever location, and a force sensor configured to define a fulcrum point along each of the plurality of levers.

A load transfer mechanism includes an elongated beam and a sensing package. The beam includes a plate with a load-bearing surface, a tube portion, and a neck. The tube portion includes a base wall and a cover and defines a cavity between the base wall and the cover. The base wall laterally extends from a first edge to a second edge that is opposite the first edge. The cover is joined to the base wall at or proximate to the first and second edges. The neck extends between and joins the plate to the cover of the tube portion. The sensing package is disposed within the cavity of the beam and is under pre-load in engagement with the cover and the base wall. The sensing package is configured to measure forces exerted on the load-bearing surface of the plate.

Various embodiments are directed to methods and apparatuses for determining a weight of one or more objects disposed about an area of the weight measurement device using a single force sensor to accurately measure a force generated by the one or more objects. In various embodiments, the apparatus comprises a housing, a receiving tray, a lever assembly configured to receive a weight force from the receiving tray and generate a collective lever force corresponding to the weight force, the lever assembly comprising a plurality of levers, wherein each lever of the plurality of levers being at least substantially fixed to the housing at a first lever location and configured to receive a partial weight force from the receiving tray at a second lever location, and a force sensor configured to define a fulcrum point along each of the plurality of levers.

A load transfer mechanism includes an elongated beam and a sensing package. The beam includes a plate with a load-bearing surface, a tube portion, and a neck. The tube portion includes a base wall and a cover and defines a cavity between the base wall and the cover. The base wall laterally extends from a first edge to a second edge that is opposite the first edge. The cover is joined to the base wall at or proximate to the first and second edges. The neck extends between and joins the plate to the cover of the tube portion. The sensing package is disposed within the cavity of the beam and is under pre-load in engagement with the cover and the base wall. The sensing package is configured to measure forces exerted on the load-bearing surface of the plate.

Disclosed is a force sensor and an apparatus having the sensor for measuring weight. The force sensor and apparatus can enhance detection sensitivity by amplifying a displacement of an elastic body having high strength, thereby measuring weight. The sensor includes: a base; an elastic structure provided as a housing disposed on the base, and downwardly deformed when weight is applied to the elastic structure; an adjusting member coupled to an upper surface of the elastic structure by penetrating the upper surface; a lever disposed below the elastic structure, and amplifying a displacement of the elastic structure transferred via the adjusting member by being in contact with the adjusting member; a sensor disposed above the base, and generating an electric signal indicative of a distance from the sensor to the lever; and a circuit board disposed between an upper surface of the base and a lower surface of the sensor.