Flexure hinge

An improved flexure hinge permits both angular pivoting and longitudinal expansion and contraction and is made of a body member of solid material which is normally not flexible or expandable. A first recess is defined part-way through the body member at one longitudinally extending edge opposite sec...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SCIRE, FREDRIC E, TEAGUE, E. CLAYTON
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR BEARINGS BLASTING CINEMATOGRAPHY COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING ELECTROGRAPHY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOLOGRAPHY LIGHTING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS MATERIALS THEREFOR MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR ORIGINALS THEREFOR PERFORMING OPERATIONS PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS TESTING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	An improved flexure hinge permits both angular pivoting and longitudinal expansion and contraction and is made of a body member of solid material which is normally not flexible or expandable. A first recess is defined part-way through the body member at one longitudinally extending edge opposite second and third recesses defined through the opposite longitudinally-extending edge of the body member. The first recess is separated from each of the second and third recesses by web-like portions which are sufficiently thin to permit flexure of the body member about respective first and second axes extending through the first and second web portions, respectively. A stage, moveable along a single axis, employs four such body members, each body member having two double web hinge devices, one double web device being located at each end of the body member. The four body members are disposed symmetrically about the axis along which the stage is moved, and symmetrically about a transverse axis. The body members extend to the stage member from a surrounding frame.