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Yang; Li-Farn
Boulder, CO
No. of patents:

Patent Number Title Of Patent Date Issued
5253771 Counter-balanced, multiple cable construction crane October 19, 1993
The invention is a counter-balanced, multiple cable construction crane. The apparatus for hoisting payloads comprises a crane having a lifting segment and a counter-balanced segment. The lifting segment comprises an end effector and three cables. One end of each cable attaches to a diffe
5207110 Suspension device for low-frequency structures May 4, 1993
A suspension device is provided for simulating the free-free boundary conditions of space for a low frequency structure. A support cable is connected at one end to the test structure and is vertically guided by a guiding ring. The other end of the cable is connected to a cam having an
5146803 Noncircular rolling joints for vibrational reduction in slewing maneuvers September 15, 1992
A rolling joint is provided for obtaining slewing maneuvers for various apparatuses including space structures, space vehicles, robotic manipulators and simulators. Two noncircular cylinders, namely a drive and a driven cylinder, are provided in driving contact with one another. This

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