Electromagnetic clutch and brake with resilient transmitting means

Claim 1

AN AXIAL CLUTCH AND BRAKE COMPRISING A ROTARY DRIVING SHAFT INCLUDING A ROTOR ELEMENT; A ROTARY DRIVEN MEMBER COAXIAL WITH SAID DRIVING SHAFT AND HAVING A PORTION ADJACENT TO SAID ROTOR ELEMENT; A FIXED BRAKING ELEMENT ADJACENT TO BUT SPACED FROM SAID ROTOR ELEMENT; A COUPLING DISK MEMBER ROTATABLY AND AXIALLY MOVABLY SURROUNDING SAID PORTION OF THE DRIVEN MEMBER INTERMEDIATE SAID ELEMENTS AND NORMALLY ENGAGING WITH FRICTION ONE OF SAID ELEMENTS; RESILIENT MOTION TRANSMITTING MEANS CONNECTING SAID DISK MEMBER WITH SAID DRIVEN MEMBER SO THAT THE DISK MEMBER IS FREE TO MOVE AXIALLY OF SAID DRIVEN MEMBER BUT ROTATES SAID DRIVEN MEMBER IN RESPONSE TO ROTATIONAL MOVEMENT IMPARTED TO SAID DISK BY SAID ROTOR ELEMENT WHEN SAID DISK MEMBER AND SAID ROTOR ELEMENT ARE IN ENGAGEMENT, SAID MOTION TRANSMITTING MEANS COMPRISING A LEAF SPRING MOUNTED ON ONE OF SAID MEMBERS AND ENGAGING THE OTHER OF SAID MEMBERS SLIDABLY IN RADIAL AND AXIAL DIRECTIONS; AND ELECTROMAGNETIC SHIFTING MEANS COAXIAL WITH AND SURROUNDING SAID ROTARY DRIVEN MEMBER FOR MOVING SAID DISK MEMBER INTO FRICTIONAL ENGAGEMENT WITH THE OTHER OF SAID ELEMENTS SO THAT THE DISK MEMBER DRIVES SAID DRIVEN MEMBER WHILE ENGAGING SAID ROTOR ELEMENT AND THAT THE DRIVEN SHAFT IS HELD AGAINST ROTATION WHEN THE DISK MEMBER ENGAGES SAID BRAKING ELEMENT.