B PERFORMING OPERATIONS; TRANSPORTING
B24 GRINDING; POLISHING
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
41/00 Component parts such as frames, beds, carriages, headstocks
B24B41/06 Work supports, e.g. adjustable steadies