Apparatus for making grooved wheels

Claim 1

IN APPARATUS FOR MAKING GROOVED WHEELS; A FRAME STRUCTURE; ROTATABLE WORKHOLDER MEANS ON SAID STRUCTURE AND ADAPTED TO HOLD A METAL BLANK HAVING A WEB PORTION TERMINATING IN A FLAT ANNULAR PERIPHERAL PORTION; MEANS FOR DRIVING SAID WORKHOLDER MEANS FOR ROTATING SAID PERIPHERAL PORTION IN ITS OWN PLANE; A CARRIER SHIFTABLE ON SAID STRUCTURE FOR A FIRST ADJUSTING MOVEMENT TOWARD AND AWAY FROM SAID WORKHOLDER MEANS IN A FIRST PLANE EXTENDING IN A TRANSVERSE SUBSTANTIALLY PERPENDICULAR RELATION TO THE ROTATION AXIS OF THE WORKHOLDER MEANS; FIRST AND SECOND SUPPORT MEMBERS IN A SUPERPOSED RELATION ON SAID CARRIER; A FIRST CONNECTING MEANS CONNECTING SAID FIRST SUPPORT MEMBER WITH SAID CARRIER; A SECOND CONNECTING MEANS CONNECTING SAID SECOND SUPPORT MEMBER WITH SAID FIRST SUPPORT MEMBER; GUIDEWAY MEANS PROVIDING A GUIDEWAY LYING SUBSTANTIALLY IN A SECOND PLANE EXTENDING TRANSVERSE TO SAID ROTATION AXIS; SLIDE MEANS OPERABLE IN SAID GUIDEWAY FOR ACTUATING MOVEMENT TOWARD AND AWAY FROM SAID WORKHOLDER MEANS; TOOL MEANS ROTATABLY SUPPORTED BY SAID SLIDE MEANS AND HAVING A CONVERGENT ANNULAR RIDGE PORTION ENGAGEABLE WITH SAID PERIPHERAL PORTION FOR FORMING THE SAME INTO AN ANNULARLY GROOVED WHEEL RIM; A POWER DEVICE CONNECTED WITH SAID SLIDE MEANS FOR IMPARTING THE ATUATING MOVEMENT THERETO AND HAVING A PREDETERMINED WORK STROKE; ONE OF SAID SUPPORT MEMBERS PROVIDING A COMMON MOUNT HAVING SAID GUIDEWAY MEANS AND POWER DEVICE MOUNTED THEREON; A FIRST ADJUSTING MEANS EFFECTIVE ON SAID CARRIER FOR IMPARTING SID FIRST ADJUSTING MOVEMENT THERETO IN AN AMOUNT APPROPRIATE FOR THE DIAMETER OF SAID PERIPHERAL PORTION AND FOR THE WORK STROKE OF SAID POWER DEVICE; A SECOND ADJUSTING MEANS ASSOCIATED WITH THE CONNECTING MEANS OF ONE OF SAID SUPPORT MEMBERS COMPRISING WEDGE MEANS EFFECTIVE ON THE LAST-MENTIONED ONE SUPPORT MEMBER FOR IMPARTING THERETO A SECOND ADJUSTING MOVEMENT IN A DIRECTION SUBSTANTIALLY PERPENDICULAR TO SAID FIRST PLANE AND ALONG SAID AXIS FOR LOCATING SAID ANNULAR RIDGE PORTION AT SUBSTANTIALLY THE SAME ELEVATION AS SAID PERIPHERAL PORTION; AND A THIRD ADJUSTING MEANS ASSOCIATED WITH THE CONNECTING MEANS OF THE OTHER SUPPORT MEMBER COMPRISING SPACED CAM AND PIVOT MEMBERS EFFECTIVE ON SAID OTHER SUPPORT MEMBER FOR SWINGING THEREOF IN A DIRECTION TRANSVERSE TO SAID FIRST PLANE FOR POSITIONING SAID ANNULAR RIDGE PORTION IN A COPLANAR RELATION TO SAID PERIPHERAL PORTION.