NASA NTRS · 19900000473
Precise Hinge Has Low Friction
Abstract
Precise hinge rotates with minimal friction and without "slop". Axis of rotation at central axis of concentric, self-retaining assembly. Blades in same plane, and both edges of blades and apexes of grooves lie along same line, allowing free rotation without either binding or slop. Blades on rotor engage grooves on stator. Blades pivot about edges through arc defined by slotted openings in stator housing.
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Collins, Earl R., Jr.. 1990-09-01. Precise Hinge Has Low Friction. https://ntrs.nasa.gov/citations/19900000473
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