Patents by Inventor Nicholas G. Luard

Nicholas G. Luard has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4541134
    Abstract: This disclosure relates to vibration damping supports and in particular to a suspension unit for a stretcher.The stretcher support unit comprises a rectangular base frame (10) on which is supported, by means of a resilient support mechanism, a stretcher frame or carrier (11). The support mechanism comprises a pair of cantilever arms (20) inclined upwards in opposite directions and each pivotally mounted at its lower end on the base frame (10). The movements of the cantilever arms (20) are controlled by respective gas-liquid suspension units (30), which are mounted between the base frame (10) and an extension arm (28) of each cantilever arm (20). The suspension units comprise, in one embodiment, a gas reservoir (70), a sealed liquid reservoir (71), a flexible diaphragm (72) forming one end of the liquid reservoir and an actuator piston (73).
    Type: Grant
    Filed: August 23, 1983
    Date of Patent: September 17, 1985
    Assignee: The University of Bath
    Inventors: Joseph Black, Mark A. Foster, Nicholas G. Luard