Rotary Tool Assembly
AssigneeEima S.R.L.
InventorAlessio FERRAIA
Life of this patent
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Abstract
A rotary tool assembly is described including a tool arrangement with two ring-shaped tool holders, two tool bodies each fixed to a respective tool holder, two adjusting screws each coupled to two threaded bushings in opposite directions each fixed to a respective tool holder, two transmission shafts each configured to drive a rotation of a respective adjusting screw, and a crown arrangement configured to transmit motion from a motor arrangement to the transmission shafts, the crown arrangement including a ring and a rotatably ring gear coupled to the ring and arranged to receive motion from the motor arrangement and to transfer motion to both transmission shafts.
Claims15
Rotary tool assembly, including:
- a hub arrangement with a hub portion and with a flange portion arranged at a first end of said hub portion;
- a battery arrangement with a cover arranged at a second end opposite said first end of said hub portion, and with an annular arrangement of one or more batteries around an axis of the said hub portion;
- at least one tool arrangement with two tool holders each of which is annular in shape around said axis of said hub portion between said flange portion and said cover, with two tool bodies coaxial with each other and fixed, each, to a respective tool holder, with two rods extending axially in length and arranged, each, on a respective tool holder, and with a mutual axial distance adjustment system which joins together said two tool holders and which includes two adjustment screws each of which is coupled to two threaded bushings with opposite thread directions and fixed, each, to a respective tool holder;
- a drive arrangement with an annular-shaped container arranged around said axis of said hub portion between said flange portion and said cover, with at least one motor arrangement mounted on said container, and with at least two transmission shafts mounted on said container and configured, each, to activate a rotation of a respective adjusting screw;
- a CPU arrangement with a support flange arranged between said drive arrangement and said cover, with a CPU board mounted on said support flange, and with two micro limit switch arrangements arranged on said support flange and configured, each, to interact in contact with a respective rod to signal the occurring of two safety limit configurations of said at least one tool arrangement.
Dependencies are inferred from the claim text.