SCREW-DAMPER

FIELD: mechanical engineering. ^ SUBSTANCE: proposed screw has head, damping member, cylindrical surface and treaded profile. Height of thread changes in length of taper threaded profile. Screw is provided with cylindrical groove in which said damping member is stress-fitted at maximum load within o...

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Bibliographic Details
Main Author GUSEV V.M
Format Patent
LanguageEnglish
Russian
Published 27.08.2004
Edition7
Subjects
BLASTING
DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:FIELD: mechanical engineering. ^ SUBSTANCE: proposed screw has head, damping member, cylindrical surface and treaded profile. Height of thread changes in length of taper threaded profile. Screw is provided with cylindrical groove in which said damping member is stress-fitted at maximum load within o.1-26 kgf/sq.mm. Damping member is of barrel-shaped profile, being capable of turning under action of applied impact loads, and its length exceeds length of cylindrical groove in which it is fitted. Surface of said cylindrical groove is hardened, owing to change of pearlite into austenite, to depth from 0.1 to 0.5 mm. Surface of screw is provided with protective anticorrosive coating of thickness from 5 to 10 mcm. ^ EFFECT: improved wear resistance of screw, possibility of use under any conditions. ^ 2 dwg
Bibliography:Application Number: RU20020127128