Electromagnetic relay with readily demountable parts

Claim 1

IN AN ELECTROMAGNETIC RELAY THE COMBINATION COMPRISING: A BASE WITH A FLOOR, SIDE WALLS RISING FROM OPPOSITE SIDES OF THE FLOOR, AND RETAINING LEDGES AT THE TOPS OF SAID SIDES; A COIL BLOCK CARRIED BY SAID BASE IN A POSITION ABOVE THE FLOOR AND BETWEEN THE SIDE WALLS THAT IS TRANSLATABLE LONGITUDINALLY OF THE SIDE WALLS FOR REMOVAL FROM THE INSERTION INTO SAID BASE; MEANS FOR HOLDING SAID COIL BLOCK BETWEEN SAID RETAINING LEDGES AND SAID FLOOR; A MAGNETIC YOKE ASSOCIATED WITH SAID COIL BLOCK; A MOVABLE MAGNETIC ARMATURE ASSOCIATED WITH SAID COIL BLOCK; A CONTACT HOUSING MOUNTED UPON SAID BASE THAT IS CLEAR OF THE PATH OF TRAVEL OF SAID COIL BLOCK UPON TRANSLATION INTO AND FROM SAID BASE; A PLURALITY OF CONTACTS CARRIED BY SAID HOUSING; AND CONTACT ACTUATORS FOR SAID CONTACTS ENGAGEABLE WITH SAID ARMATURE FOR CONTACT ACTUATION IN RESPONSE TO ARMATURE MOVEMENT WHICH ARE FREE FROM OBSTRUCTION OF ARMATURE MOVEMENT OCCASIONED BY SAID TRANSLATION OF SAID COIL BLOCK.