"s" cam brake with segmented cam follower

Claim 1

A BRAKE COMPRISING A ROTATABLE DRUM, TWO ARCUATE BRAKE SHOES EACH HAVING A FRICTION MATERIAL LINED RIM AND A TRANSVERSE STRENGTHENING WEB, A RETURN SPRING STRECHED BETWEEN ADJACENT ACTUATABLE ENDS OF SAID SHOES TO EFFECT RETRACTION THEREOF, AN S CAM DISPOSED BETWEEN THE ADJACENT ACTUATABLE ENDS OF SAID SHOES FOR SPREADING THE TWO SHOES APART AND APPLYING THE SHOES FRICTIONALLY AGAINST SAID DRUM, A CAM FOLLOWER BETWEEN EACH OF SAID SHOES AND SAID S CAM AND HAVING AN ARCUATE OUTER FACE IN ROLLING ENGAGEMENT WITH SAID S CAM AND MOVABLE OUTWARDLY THEREBY, MEANS FORMING A V-SHAPED RECESS IN EACH OF SAID CAM FOLLOWERS AND PROVIDING AT THE INNERMOST END THEREOF AN ARCUATE BEARING SURFACE OF SUBSTANTIALLY LESS RADIUS THAN THAT OF SAID ARCUATE OUTER FACE, FORCE TRANSMITTING MEANS CONNECTED WITH EACH OF SAID SHOES AND OF COMPLEMENTARY CURVATURE IN RELATION TO SAID BEARING SURFACE OF SAID FOLLOWER ENGAGING WITH A RESPECTIVE ARCUATE BEARING SURFACE OF ONE OF SAID CAM FOLLOWERS TO TRANSMIT SPREADING FORCE TO THE BRAKE SHOES, AND ABUTMENT MEANS FORMING A PART OF EACH OF SAID CAM FOLLOWERS AND DISPOSED WITHIN A NOTCH IN A RESPECTIVE ONE OF SAID SHOES TO LIMIT PIVOTAL MOVEMENT OF SAID CAM FOLLOWERS.