Magnetic clutch or brake and armature therein

Claim 1

A MAGNETIC CLUTCH OR BRAKE COMPRISING A FERROMAGNETIC BODY STRUCTURE PRESENTING SPACED TIPS, COIL MEANS INDUCTIVELY ASSOCIATED WITH SAID BODY STRUCTURE TO INDUCE MAGNETIC FLUX THEREIN, AND A MAGNETICALLY ATTRACTABLE ARMATURE STRUCTURE PRESENTING A FRONT FACE IN CONFRONTING RELATIONSHIP TO SAID POLE TIPS ON SAID BODY STRUCTURE AND BEING MOUNTED FOR MOVEMENT TOWARD AND AWAY FROM SAID POLE TIPS, SAID ARMATURE STRUCTURE COMPRISING SPACED MAGNETIZABLE POLE TIPS AT ITS FRONT FACE, AND MATERIAL INTERCONNECTING SAID ARMATURE POLE TIPS AND COMPLETING A MAGNETIC FLUX PATH BETWEEN THEM, ONE OF SAID POLE TIPS ON ONE OF SAID STRUCTURES BEING COMPOSED OF MATERIAL ADAPTED TO CONDUCT MAGNETIC FLUX INDUCED THEREIN WHEN SAID COIL MEANS IS ENERGIZED AND TO DE-MAGNETIZE SUBSTANTIALLY COMPLETELY WHEN SAID COIL MEANS IS DEENERGIZED.