Improvements in or relating to Levelling or Adjusting Screws for Measuring and other Scientific Instruments.

摘要

114,036. Watts, F. C., Watts, G. W., and Fearnley, J. L., (trading as Watts & Son, E. R.). March 17, 1917. Cases, clock.-Levelling or adjusting screws 4 take into a tubular fitting 3, the upper portion of the fitting being internally threaded, extemally tapered, and provided with longitudinal saw-cuts. By screwing down an internally tapered cap 9, the fitting 3 is compressed on to the screw to compensate for wear or to lock it in position.