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Patent Agency Ranking
公开(公告)号：US20200292037A1
公开(公告)日：2020-09-17
申请号：US16886014
申请日：2020-05-28
Applicant: ABB Schweiz AG
Abstract: A ball screw spline assembly includes: a ball screw spline including a first nut including a first mounting surface adapted to receive a first fastening element for installing the first nut to a housing; a second nut including a second mounting surface adapted to receive a second fastening element for installing the second nut to the housing; and a shaft passing through the first nut and the second nut; the housing including a first portion and a second portion, the first portion extends in a direction substantially parallel to the shaft, and the second portion extends in a direction substantially perpendicular to the shaft; a connecting plate coupling the second nut to the first portion, the first nut is installed to the second portion; the first mounting surface and the second mounting surface are located within a space defined by the first portion, the second portion and the connecting plate, such that the ball screw spline is integrally installable to the housing. The ball screw spline is integrally installable to the housing, and thus there is no need to remove the spline nut from the shaft when installing and maintaining the ball screw spline. With the bolts adapted to be received within the housing without protruding from the housing, the robot arm including the ball screw spline assembly can be compact since the pulley no longer interferes with the bolts mounted on the spline nut.
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公开(公告)号：US12128569B2
公开(公告)日：2024-10-29
申请号：US17416136
申请日：2019-01-23
Applicant: ABB Schweiz AG
CPC classification number: B25J9/1692 , B25J13/089
Abstract: Methods for managing a robot arm are disclosed. In one method, during a movement of the robot arm in an axis thereof, a signal collected by a sensor equipped at a frame of the robot arm is received. A change in strength of the received signal is detected, where the change is caused by an offset between a position of a reference mark equipped at the robot arm and a position of the sensor. An original point of the axis of the robot arm is determined based on the detected change. Further, robot systems, apparatuses, systems, and computer readable media for managing a robot arm in the robot systems are disclosed. The original point of the axis of the robot arm may be determined without a dedicated calibrating tool, and then the robot arm may be calibrated based on the original point accurately.
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公开(公告)号：US20220055218A1
公开(公告)日：2022-02-24
申请号：US17416136
申请日：2019-01-23
Applicant: ABB Schweiz AG
Abstract: Methods for managing a robot arm are disclosed. In one method, during a movement of the robot arm in an axis thereof, a signal collected by a sensor equipped at a frame of the robot arm is received. A change in strength of the received signal is detected, where the change is caused by an offset between a position of a reference mark equipped at the robot arm and a position of the sensor. An original point of the axis of the robot arm is determined based on the detected change. Further, robot systems, apparatuses, systems, and computer readable media for managing a robot arm in the robot systems are disclosed. The original point of the axis of the robot arm may be determined without a dedicated calibrating tool, and then the robot arm may be calibrated based on the original point accurately.
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公开(公告)号：US11660743B2
公开(公告)日：2023-05-30
申请号：US16886014
申请日：2020-05-28
Applicant: ABB Schweiz AG
CPC classification number: B25J9/044 , B25J9/102 , F16H2025/2096
Abstract: A ball screw spline assembly includes a ball screw spline including a first nut including a first mounting surface adapted to receive a first fastening element; a second nut including a second mounting surface adapted to receive a second fastening element; and a shaft passing through the first nut and the second nut; the housing including a first portion and a second portion, the first portion extends in a direction substantially parallel to the shaft, and the second portion extends in a direction substantially perpendicular to the shaft; a connecting plate coupling the second nut to the first portion, the first nut is installed to the second portion; the first mounting surface and the second mounting surface are located within a space defined by the first portion, the second portion and the connecting plate, such that the ball screw spline is integrally installable to the housing.
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