LOAD CELLS IN AN INSTRUMENT DRIVE

A drive unit for providing drive from a robot arm to an instrument comprises a plurality of drive elements for engaging corresponding elements of the instrument, and a load cell structure. Each drive element is movable along a drive axis and the drive axes of each of the drive elements are substanti...

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Bibliographic Details
Main Authors PHOOLCHUND, Nikki Priyam Su-ling, MARSHALL, Keith, JACKSON, Thomas Bates
Format Patent
LanguageEnglish
French
German
Published 27.02.2019
Subjects
BEARINGS
BLASTING
CHAMBERS PROVIDED WITH MANIPULATION DEVICES
DIAGNOSIS
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HAND TOOLS
HEATING
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
LIGHTING
MANIPULATORS
MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
MECHANICAL ENGINEERING
MEDICAL OR VETERINARY SCIENCE
PERFORMING OPERATIONS
PHYSICS
PORTABLE POWER-DRIVEN TOOLS
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
SURGERY
TESTING
THERMAL INSULATION IN GENERAL
TRANSPORTING
WEAPONS
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Summary:A drive unit for providing drive from a robot arm to an instrument comprises a plurality of drive elements for engaging corresponding elements of the instrument, and a load cell structure. Each drive element is movable along a drive axis and the drive axes of each of the drive elements are substantially parallel to each other. The load cell structure includes a plurality of deflectable bodies coupled to the drive elements for sensing load on the drive elements parallel to their drive axes, and a frame. The frame includes an integral member supporting the deflectable bodies in such a way as to isolate each deflectable body from the load applied to the or each other deflectable body.
Bibliography:Application Number: EP20160718857