Patent ID: 8484859
Filing Date: 2013-07-16
Classification: F16H,H02N,Y10T

Abstract:
1. A mechanical device for maintaining parallelism, comprising: a first bar, a second bar, a third bar and a fourth bar, each bar having an upper surface, a bottom surface, a first side surface and a second side surface, the upper surface of the first bar forming the upper surface of the device and the bottom surface of the fourth bar forming the bottom surface of the device; wherein the first side surface of the first bar and the first side surface of the second bar are bridged by a first flexure, leaving a gap between the bottom surface of the first bar and the upper surface of the second bar; the second side surface of the second bar and the second side surface of the third bar are bridged by a second flexure, leaving a gap between the bottom surface of the second bar and the upper surface of the third bar; and the first side surface of the third bar and the first side surface of the fourth bar are bridged by a third flexure, leaving a gap between the bottom surface of the third bar and the upper surface of the fourth bar.