| http://www.w3.org/ns/prov#value | - The combination described in claim 8, said frame including a bar extending over the machine element, said member comprising a rod, said means for moving the member toward and away from said surface comprising a base, and spaced pivoted supports on the base for the rod, and said means for adjusting the position of the member on the frame comprising threaded means supported on the frame and suspendi
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