Vibratory sanding tool
First Claim
1. A VIBRATORY ELECTROMAGNETIC TOOL FOR SANDING, POLISHING AND THE LIKE COMPRISING A CASING, A RECIPROCATIVE PLATEN SUPPORTED BELOW SAID CASING ADAPTED TO SUPPORT A SURFACE TREATING SHEET, AN ALTERNATING CURRENT ELECTROMAGNET FOR RECIPROCATING SAID PLATEN INCLUDING A CORE HAVING A PAIR OF POLE FACES AND AN ELECTROMAGNET COIL ADAPTED TO BE ENERGIZED BY ALTERNATING CURRENT ELECTRICAL ENERGY, ARMATURE MEANS PIVOTALLY MOUNTED FOR SWINGING MOVEMENT TOWARD AND AWAY FROM SAID CORE UPON OPERATION OF THE ELECTROMAGNET, SAID ARMATURE MEANS INCLUDING LEVER MEANS PIVOTALLY SUPPORTED AT A FIXED LOCATION ADJACENT ITS UPPER END IN SAID CASING AT A POINT SPACED ABOVE SAID ELECTROMAGNET CORE, MEANS COUPLING SAID LEVER MEANS TO SAID PLATEN TO RECIPROCATE SAID PLATEN RESPONSIVE TO VARIATIONS IN THE MAGNETIC FLUX IN SAID CORE, AND FAN MEANS MOUNTED ON SAID LEVER MEANS RESONANTLY RESPONSIVE TO VIBRATIONS OF SAID LEVER MEANS DURING OPERATION OF THE TOOL FOR INDUCING FORCED AIR CIRCULATION WITHIN SAID CASING ABOUT THE COIL OF SAID ELECTROMAGNET.
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Accused Products
22 Citations
1 Claim
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1. A VIBRATORY ELECTROMAGNETIC TOOL FOR SANDING, POLISHING AND THE LIKE COMPRISING A CASING, A RECIPROCATIVE PLATEN SUPPORTED BELOW SAID CASING ADAPTED TO SUPPORT A SURFACE TREATING SHEET, AN ALTERNATING CURRENT ELECTROMAGNET FOR RECIPROCATING SAID PLATEN INCLUDING A CORE HAVING A PAIR OF POLE FACES AND AN ELECTROMAGNET COIL ADAPTED TO BE ENERGIZED BY ALTERNATING CURRENT ELECTRICAL ENERGY, ARMATURE MEANS PIVOTALLY MOUNTED FOR SWINGING MOVEMENT TOWARD AND AWAY FROM SAID CORE UPON OPERATION OF THE ELECTROMAGNET, SAID ARMATURE MEANS INCLUDING LEVER MEANS PIVOTALLY SUPPORTED AT A FIXED LOCATION ADJACENT ITS UPPER END IN SAID CASING AT A POINT SPACED ABOVE SAID ELECTROMAGNET CORE, MEANS COUPLING SAID LEVER MEANS TO SAID PLATEN TO RECIPROCATE SAID PLATEN RESPONSIVE TO VARIATIONS IN THE MAGNETIC FLUX IN SAID CORE, AND FAN MEANS MOUNTED ON SAID LEVER MEANS RESONANTLY RESPONSIVE TO VIBRATIONS OF SAID LEVER MEANS DURING OPERATION OF THE TOOL FOR INDUCING FORCED AIR CIRCULATION WITHIN SAID CASING ABOUT THE COIL OF SAID ELECTROMAGNET.
Specification
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Current AssigneeAlden J. Brassaw, Carl E. Weller, Donald R. Fegley
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Original AssigneeAlden J. Brassaw, Carl E. Weller, Donald R. Fegley
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InventorsFegley, Donald R., Brassaw, Alden J., Weller, Carl E.
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Application NumberUS04/193,523Time in Patent Office328 DaysField of SearchUS Class Current451/356CPC Class CodesA47L 11/12 with reciprocating or oscil...A47L 11/4069 Driving or transmission mea...B24B 23/04 with oscillating grinding t...
