A Rolamite hinge is made up of two rollers held by three tensioned bands attached to either part, with ends of each band terminating on opposite sides of the hinge, ensuring a no-slip condition. This paper investigates the existence of alternative forms of the Rolamite hinge by changing the profile of the rollers or tension band surfaces. The aim is to achieve a novel bi-stable revolute hinge that can be built into Variable Geometry Structures (VGSs). This hinge consists of two prismatic blocks connected through three fiber wires wrapped around them, that prevent any motion between blocks unless relative rotation along their axis. A set of design parameters is used for introducing the concept of bi-stability. The relationships concerned in either design or mechanical behavior are established in providing a proper use of the hinge. However, these relationships represent only a preliminary analysis of a deeper one that it should be carried out to build a physical model.

A bi-stable revolute hinge for Variable Geometry Structures / S. Briccoli Bati; T. Rotunno; M. Tupputi. - ELETTRONICO. - (2009), pp. 2728-2739. ((Intervento presentato al convegno International Symposium on Evolution and Trends in Design, Analysis and Construction of Shell and Spatial Structures (IASS) tenutosi a Valencia, Spagna nel 28 September-2 October 2009.

A bi-stable revolute hinge for Variable Geometry Structures

BRICCOLI BATI, SILVIA;ROTUNNO, TOMMASO;
2009

Abstract

A Rolamite hinge is made up of two rollers held by three tensioned bands attached to either part, with ends of each band terminating on opposite sides of the hinge, ensuring a no-slip condition. This paper investigates the existence of alternative forms of the Rolamite hinge by changing the profile of the rollers or tension band surfaces. The aim is to achieve a novel bi-stable revolute hinge that can be built into Variable Geometry Structures (VGSs). This hinge consists of two prismatic blocks connected through three fiber wires wrapped around them, that prevent any motion between blocks unless relative rotation along their axis. A set of design parameters is used for introducing the concept of bi-stability. The relationships concerned in either design or mechanical behavior are established in providing a proper use of the hinge. However, these relationships represent only a preliminary analysis of a deeper one that it should be carried out to build a physical model.
Proceedings of the International Association for Shell and Spatial Structures (IASS) Symposium 2009, Valencia
International Symposium on Evolution and Trends in Design, Analysis and Construction of Shell and Spatial Structures (IASS)
Valencia, Spagna
28 September-2 October 2009
S. Briccoli Bati; T. Rotunno; M. Tupputi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2158/360274
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