BUFFER-SHAPED DAMPER

PURPOSE: To absorb the shock in the collision with an inexpensive structure by forming a shock absorber sleeve with a thermoplastic resin material having the specific tensile strength, elongation at break, tensile stress at a yielding point and elongation at the yielding point. CONSTITUTION: A dampe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MANFUREETO RINKU, GERUHARUTO HEEZE
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PERFORMING OPERATIONS SEATS SPECIALLY ADAPTED FOR VEHICLES SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE: To absorb the shock in the collision with an inexpensive structure by forming a shock absorber sleeve with a thermoplastic resin material having the specific tensile strength, elongation at break, tensile stress at a yielding point and elongation at the yielding point. CONSTITUTION: A damper for a seat of a vehicle is formed by clamping a shock absorber sleeve 2 made of a thermoplastic resin to a supporting frame 3, and guiding a piston 1 having an expansion bead 10 inside of the sleeve for absorbing the shock in the front and back collision by a short distance. This sleeve 2 is made of a thermoplastic resin having a tensile strength σR of at least 40 MPa, an elongation at break R of at least 60%, a tensile strength at a yielding point σS of at least 40 MPa and an elongation at the yielding point S of at least 3.5%, for example, a thermoplastic resin mixture of polycarbonate and acrylonitrile-butadiene-styrene copolymer. Whereby the shock acting in both directions can be absorbed by a damper of inexpensive structure.