DISPOSITIVO MISURATORE DELLA FORZA DI PRESSIONE DEL PIEDE PREMITORE DI MACCHINE PER CUCIRE

A sewing machine having a reciprocating needle bar and a presser foor which is movable upwardly and downwardly to engage material and move it over a sewing station includes a presser foot measuring device. A system for measuring the pressing force of the presser foot of sewing machines comprises a l...

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Bibliographic Details
Main Author SPICKERMANN RAINER
Format Patent
LanguageItalian
Published 30.12.1987
Edition4
Subjects
EMBROIDERING
MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
PHYSICS
SEWING
TESTING
TEXTILES
TUFTING
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Summary:A sewing machine having a reciprocating needle bar and a presser foor which is movable upwardly and downwardly to engage material and move it over a sewing station includes a presser foot measuring device. A system for measuring the pressing force of the presser foot of sewing machines comprises a lever type force absorption element which is elastically deformable by the pressing force of the presser foot and which is provided with an electric sensor responding to the deformation. Connected with the sensor is a circuit which contains a digital display on which the pressing force is indicated in newtons.
Bibliography:Application Number: IT19860067370