B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
B24D7/16—Bushings; Mountings
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
B24B45/00—Means for securing grinding wheels on rotary arbors
Mecanisme d'embrayage destine a accoupler a volonte un volant et un arbre et dote d'une prise de mouvement pour entrainer en permanence un deuxieme arbre concentrique au premier