Automatic glazing and sanding machine

Claim 1

A MACHINE FOR PROCESSING ELECTRICAL INSULATORS BY HOLDING A PLURALITY OF INSULATORS WHICH ARE MOVED ALONG A GENERALLY CIRCULAR PATH PAST A SERIES OF OPERATING STATIONS AND RELEASED BEFORE MAKING A COMPLETE REVOLUTION COMPRISING A BASE MEMBER; A SUBSTANIALLY HORIZONTAL FRAME MOUNTED ON SAID BASE MEMBER AND ROTATABLE ABOUT A VERTICAL AXIS; MEANS FOR ROTATING SAID FRAME ABOUT SAID AXIS IN ONE DIRECTION; A SERIES OF INSULATOR HOLDING SPINDLES EACH ROTATABLE ABOUT THE AXIS THEREOF AND MOUNTED ON SAID FRAME FOR PITOVAL MOVEMENT IN A RADIAL PLANE; A SUPPORT STRUCTURE HAVING AN OPERATING STATION CARRIED THEREBY AND MOUNTED FOR RECIPROCATING PITOVAL MOVEMENT ABOUT SAID VERTICAL AXIS; A PLURALITY OF RELEASABLE ENGAGING MEANS INTERCONNECTING SAID SUPPORT STRUCTURE AND SAID FRAME FOR PERIODS OF UNITARY TRAVEL IN SAID ONE DIRECTION TO POSITION SAID OPERATING STATION SEQUENTIALLY IN AN OPERATING POSITION WITH RESPECT TO EACH SUCCESSIVE SPINDLE CARRIED INSULATOR