# US 12,759,187 B2 · Multi-profile milling apparatus and machining device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,759,187 B2 - Document ID: US12759187B2 - Status: Granted - Kind: B2 - Application number: 18/282,209 - Filed: 2022-03-15 - Published: 2024-05-16 - Granted: 2026-10-13 - Earliest claimed: 2021-03-17 - Assignees: HOMAG KANTENTECHNIK GmbH; Leitz GmbH & Co. KG - Applicants: HOMAG Kantentechnik GmbH; Leitz GmbH & Co. KG - Inventors: Holger Klöpper; Heiko Ehrensperger; Jürgen Graef; Andreas Kisselbach - Web page: https://patentgrep.com/patent/US12759187B2 ## CPC - B27G 13/007: {which are adjustable relatively to each other (B23Q17/2283 takes precedence)} - B27D 5/006: {Trimming, chamfering or bevelling edgings, e.g. lists (B23C3/126 takes precedence)} - B27G: ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS (tools for grinding B24D; sawing tools B27B33/00; tools for slotting or mortising machines B27F5/02; tools for the manufacture of wood shavings, chips, powder or the like B27L11/00); SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS - B27D: WORKING VENEER OR PLYWOOD (applying liquids or other fluent materials to surface in general B05; grinding, sanding, or polishing of wood B24; applying adhesives or glue to surfaces of wood B27G11/00; manufacture of veneer B27L5/00) ## Abstract The invention relates to a multi-profile milling apparatus for machining workpieces. The apparatus can have a first milling device which has at least one first milling tool and at least one second milling device which has at least one second milling tool. The second milling device is movable relative to the first milling device between a use position and a non-use position. The apparatus can also include a locking device having at least one centrifugal element that can lock the at least one second milling device in the use position or the non-use position during a rotating movement of the milling devices. ## Claims ### Claim 1 A multi-profile milling apparatus for machining workpieces, the apparatus comprising a first milling device having at least one first milling tool with a first machining profile, the first milling device having an operating position and being configured to be coupled to a drive shaft, the apparatus further comprising at least one second milling device having at least one second milling tool with a second machining profile, the at least one second milling device being movable relative to the first milling device between a use position and a non-use position, the apparatus further comprising a locking device having at least one centrifugal element being configured to lock the at least one second milling device in the use position or the non-use position during a rotating movement of the first or second milling devices, the first milling device and the at least one second milling device being arranged coaxially with respect to each other and the locking device being positioned between the milling devices. ### Claim 2 (depends on 1) A multi-profile milling apparatus according to claim 1, wherein the at least one second milling device is axially displaceable and non-rotatably coupled to the first milling device. ### Claim 3 (depends on 1) A multi-profile milling apparatus according to claim 1, wherein the locking device has at least two centrifugal elements, wherein at least one first centrifugal element locks the second milling device in the use position and at least one second centrifugal element locks the second milling device in the non-use position. ### Claim 4 (depends on 3) A multi-profile milling apparatus according to claim 3, wherein the at least two centrifugal elements are each accommodated in a recess on the outer circumference of the first milling device, and wherein at least one cavity is formed on an inner circumference of the second milling device, wherein in the use position of the second milling device the at least one cavity is position adjacent to the at least one first centrifugal element and in the non-use position of the second milling device the at least one cavity is positioned adjacent to the at least one second centrifugal element. ### Claim 5 (depends on 1) A multi-profile milling apparatus according to claim 1, wherein the at least one centrifugal element is accommodated in a recess on the outer circumference of the first milling device, and at least two cavities are formed axially spaced apart from each other on an inner circumference of the second milling device, wherein in the use position of the second milling device a first cavity is positioned adjacent to the centrifugal element and in the non-use position a second cavity is positioned adjacent to the centrifugal element. ### Claim 6 (depends on 4) A multi-profile milling apparatus according to claim 4, wherein at least one centrifugal element is transferred to a locking position by the rotating movement of the milling devices, in which the at least one centrifugal element is arranged at least partially in the recess on an outer circumference of the first milling device and at least partially in the at least one corresponding cavity on the inner circumference of the second milling device. ### Claim 7 (depends on 1) A multi-profile milling apparatus according to claim 1, wherein the at least one centrifugal element is configured as a sphere or as a cylindrical body having a rounded or conical radially outwardly facing end face. ### Claim 8 (depends on 4) A multi-profile milling apparatus according to claim 4, wherein the at least one cavity on the inner circumference of the second milling device has an inclined surface arranged on a side of the at least one cavity facing the use position in a longitudinal section of the second milling device. ### Claim 9 (depends on 8) A multi-profile milling apparatus according to claim 8, wherein the at least one first centrifugal element can be moved to a locking position in which the at least one first centrifugal element acts on the inclined surface of the at least one cavity to cause an axial force component (Fa) to push the second milling device in the use position against at least one stopper defining the use position. ### Claim 10 (depends on 9) A multi-profile milling apparatus according to claim 9, wherein the at least one stopper comprises at least one dot-shaped or cam-shaped stopper surface. ### Claim 11 (depends on 9) A multi-profile milling apparatus according to claim 9, wherein the at least the at least one stopper is configured to be axially displaceable by an adjusting device. ### Claim 12 (depends on 4) A multi-profile milling apparatus according to claim 4, wherein a depth of the at least one cavity is configured such that, in the locking position, at least half of the at least one spherical or cylindrical centrifugal element is arranged in the recess. ### Claim 13 (depends on 1) A machining device for machining workpieces, the device having a workpiece support for accommodating at least one workpiece, a multi-profile milling apparatus according to claim 1 and for performing the machining process on the workpiece, a driving apparatus for driving the multi-profile milling apparatus, and a conveying device for causing a relative movement between the workpiece and the multi-profile milling apparatus. ### Claim 14 (depends on 12) A machining device according to claim 12, further comprising a setting device that controls a setting movement of the at least one second milling device between the use position and the non-use position. ### Claim 15 (depends on 12) A machining device according to claim 12, further comprising a sensor device for detecting a setting position of the at least one second milling device.