Cutting tool holding assembly
AssigneeMorris Tooling Limited
InventorsDavid Forrest, Keith A. Jones, Dennis A. Butler
Life of this patent
Estimating the term…
Abstract
A cutting tool holding assembly is arranged for rapid replacement of cutting tools on machine tools. The assembly includes an adaptor for locating a tool holder in a drive spindle. The adaptor has a base member which is secured in the spindle and a body member which is secured releasably to the base member. The tool holder is secured to the body member. The base member is secured in the base of a bore in the spindle and the body member is releasably secured against rotation relative to the spindle.
Claims9
A cutting tool assembly including a tool holder, a drive spindle with a central bore and an adaptor for locating the tool holder in the drive spindle, the adaptor comprising a base member arranged to be secured against removal from the spindle, a body member having first securing means for securing the body member releasably to the base member and second securing means for securing the tool holder to the body member, the base member being secured in the base of the bore of the spindle and the body member being releasably securable against rotation relative to the spindle, the base member being of two part construction having a first part secured in the base of said bore and a second part secured to the first part, the first and second parts having interposed between the parts resilient means whereby the parts are relatively movable in the axial direction of the spindle, wherein the resilient means is arranged to urge the second part in a direction towards the base of the bore, and further comprising stop means whereby the extent of said relative movement is limited in each direction.
A cutting tool assembly including a tool holder, a drive spindle with a central bore and an adaptor for locating the tool holder in the drive spindle, the adaptor comprising a base member arranged to be secured against removal from the spindle, a body member having first securing means for securing the body member releasably to the base member and second securing means for securing the tool holder to the body member, the base member being secured in the base of the bore of the spindle and the body member being releasably securable against rotation relative to the spindle, the base member being of two part construction having a first part secured in the base of said bore and a second part secured to the first part, the first and second parts having interposed between the parts resilient means whereby the parts are relatively movable in the axial direction of the spindle, wherein said first securing means secures the body member to the second part of the base member and said second part includes a nose portion which is engageable with a seating formed in the body.
A cutting tool assembly including a tool holder, a drive spindle with a central bore and an adaptor for locating the tool holder in the drive spindle, the adaptor comprising a base member arranged to be secured against removal from the spindle, a body member having first securing means for securing the body member releasably to the base member and second securing means for securing the tool holder to the body member, the base member being secured in the base of the bore of the spindle and the body member being releasably securable against rotation relative to the spindle, the base member being of two part construction having a first part secured in the base of said bore and a second part secured to the first part, the first and second parts having interposed between the parts resilient means whereby the parts are relatively movable in the axial direction of the spindle, and further comprising radially outwardly movable members carried by the first part of the base member which are selectively engageable with the walls of the bore of the spindle whereby the base member is secured in the bore in the spindle.
Dependencies are inferred from the claim text.