Tool holder construction

• US 3,338,585 A
• Filed: 02/08/1965
• Issued: 08/29/1967
• Est. Priority Date: 02/08/1965
• Status: Expired due to Term

• Current Assignee: Royal H. Poorman
• Original Assignee: Royal H. Poorman
• Inventors: Poorman, Royal H.
• Application Number:
  US04/430,928
• Time in Patent Office: 932 Days
• US Class Current: 279/16
• CPC Class Codes: B23B 31/08 holding tools yieldably
• CPC Class Codes: Y10T 279/17017 Self-centering of floating

Claims

1. TOOL HOLDER CONSTRUCTION INCLUDING A MOUNTING MEMBER HAVING A FORWARD RADIAL SURFACE WITH DIAMETRICALLY SPACED RADIAL GROOVES THEREIN, A RADIAL PLATE POSITIONED SLIDABLY AXIALLY ABUTTING THE MOUNTING MEMBER RADIAL SURFACE, SAID PLATE HAVING ELONGATED RADIAL SLOTS THROUGH ITS OUTER EDGES, FIRST KEY MEANS MOUNTED IN SAID GROOVES AND SLIDABLY RECEIVED IN SAID SLOT FOR LIMITING RELATIVE RADIAL SLIDABLE MOVEMENT BETWEEN SAID PLATE AND MOUNTING MEMBER ALONG ONE DIAMETER, A TOOL HOLDER HAVING A CONVEX ARCUATE GENERALLY RADIALLY EXTENDING REARWARD END SURFACE AND A CONVEX ARCUATE GENERALLY AXIALLY EXTENDING SIDE SURFACE CIRCULAR IN RADIAL CROSS-SECTION, THE TOOL HOLDER SIDE SURFACE BEING OF MINIMUM DIAMETER AT AXIALLY SPACED FORWARD AND REARWARD ENDS AND A MAXIMUM DIAMETER INTERMEDIATE SAID ENDS, THE TOOL HOLDER BEING POSITIONED WITH THE ARCUATE END SURFACE CLOSELY FORWARDLY ADJACENT THE RADIAL PLATE, THERE BEING A CENTRAL RADIAL SLOT AND A PLATE AT RIGHT ANGLES TO SAID ELONGATED RADIAL SLOTS AND A CENTRAL RADIAL GROOVE IN SAID ARCUATE END SURFACE, SECOND KEY MEANS ENGAGED BETWEEN THE GROOVE IN THE TOOL HOLDER AND THE CENTRAL RADIAL SLOT IN THE RADIAL PLATE FOR ROCKABLE MOVEMENT OF THE TOOL HOLDER IN ALL RADIAL DIRECTIONS RELATIVE TO THE RADIAL PLATE AND MOUNTING MEMBER THROUGH ROCKABLE MOVEMENT OF THE TOOL HOLDER ARCUATE END SURFACE AXIALLY ADJACENT THE RADIAL PLATE, THE SECOND KEY MEANS BEING CONSTRUCTED AND ARRANGED FOR LIMITING RELATIVE RADIAL SLIDABLE MOVEMENT BETWEN THE TOOL HOLDER AND RADIAL PLATE ALONG A DIAMETER SUBSTANTIALLY PERPENDICULAR TO SAID ONE DIAMETER, POSITIONING RING MEANS FOR CO-OPERATING TO CLAMP THE TOOL HOLDER IN A PRE-SET POSITION RELATIVE TO THE MOUNTING MEMBER INCLUDING A FORWARD POSITIONING RING MOUNTED SLIDABLY PARTIALLY TELESCOPED OVER A FORWARD PART OF THE TOOL HOLDER SIDE SURFACE AND HAVING AN ARCUATE INNER SURFACE SUBSTANTIALLY CONFORMING TO SAID FORWARD PART OF THE TOOL HOLDER SIDE SURFACE AND EXTENDING AXIALLY FORWARDLY BEYOND THE SIDE SURFACE FORWARD END, AND SELECTIVELY OPERABLE CLAMPING MEANS OPERABLY CONNECTED TO THE MOUNTING MEMBER AND ENGAGED WITH THE POSITIONING RING FOR FORCING SAID POSITIONING RING AXIALLY REARWARDLY AND AGAINST THE TOOL HOLDER SIDE SURFACE TO CLAMP THE TOOL HOLDER IN SAID PRE-SET POSITION RELATIVE TO THE MOUNTING MEMBER.