# US 11,897,097 B1 · Rotor bit extraction tool with a lighting unit > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,897,097 B1 - Document ID: US11897097B1 - Status: Granted - Kind: B1 - Application number: 17/819,643 - Filed: 2022-08-15 - Published: 2024-02-15 - Granted: 2024-02-13 - Earliest claimed: 2022-08-15 - Assignees: Caterpillar Paving Products Inc. - Applicants: Caterpillar Paving Products Inc. - Inventors: Nicholas Bernard Johnson; Matthew-David S. Frantz - Web page: https://patentgrep.com/patent/US11897097B1 ## CPC - B25B 27/026: {fluid driven} - B28D 7/00: Accessories specially adapted for use with machines or devices of the preceding groups {(B28D5/0058 takes precedence)} - B28D 1/188: {with exchangeable cutter bits or cutter segments} - E01C 23/088: Rotary tools, e.g. milling drums {(for forming recesses to receive marking materials E01C23/0946)} - E01C 23/127: {rotary, e.g. rotary hammers} - E21C 35/188: {characterised by adaptations to use an extraction tool} - B25B: TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING - B28D: WORKING STONE OR STONE-LIKE MATERIALS - E01C: CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR (forming roads or like surfaces by compacting or grading snow or ice E01H) - E21C: MINING OR QUARRYING ## Abstract A tool, for removing a cutting bit from a rotor of a rotor assembly of a machine, includes one or more input interfaces and one or more lighting units. The one or more input interfaces are configured to be actuated to perform one or more functions associated with removing the cutting bit from the rotor. The one or more lighting units are configured to be activated upon the actuation of the one or more input interfaces to illuminate at least a portion of the rotor assembly when performing the one or more functions associated with removing the cutting bit from the rotor. ## Claims ### Claim 1 A tool for removing a cutting bit from a rotor of a rotor assembly of a machine, the tool comprising: one or more input interfaces configured to be actuated to perform one or more functions associated with removing the cutting bit from the rotor, the one or more input interfaces including: a second input interface configured to be actuated to perform a second function of the one or more functions, wherein the second function includes a clockwise rotation of the rotor; and a third input interface configured to be actuated to perform a third function of the one or more functions, wherein the third function includes a counterclockwise rotation of the rotor; and one or more lighting units configured to be activated upon the actuation of the one or more input interfaces to illuminate at least a portion of the rotor assembly when performing the one or more functions associated with removing the cutting bit from the rotor. ### Claim 2 (depends on 1) The tool of claim 1 further comprising a first communication line configured to operatively connect the one or more lighting units with an electrical power supply source of the machine, wherein the activation of the one or more lighting units is caused by a supply of electric power from the electrical power supply source to the one or more lighting units through the first communication line upon the actuation of the one or more input interfaces. ### Claim 3 (depends on 1) The tool of claim 1 further comprising one or more second communication lines configured to operatively and correspondingly connect the one or more input interfaces with an electrical power supply source of the machine and a controller of the machine, wherein the one or more functions are performed based on one or more input signals received by the controller through the one or more second communication lines upon the actuation of the associated one or more input interfaces. ### Claim 4 (depends on 1) The tool of claim 1, wherein the one or more input interfaces include a first input interface configured to be actuated to perform a first function of the one or more functions, and wherein the first function includes an extraction of the cutting bit from the rotor. ### Claim 5 (depends on 4) The tool of claim 4 further comprising an extraction mechanism configured to extract the cutting bit from the rotor upon the actuation of the first input interface, wherein the extraction mechanism is powered by a hydraulic power source of the machine. ### Claim 6 A tool system for a machine having a rotor assembly including a rotor and a plurality of cutting bits mounted to the rotor, the tool system comprising: a tool for removing a selected cutting bit of the plurality of cutting bits from the rotor, the tool including: one or more input interfaces configured to be actuated to perform one or more functions associated with removing the selected cutting bit from the rotor, the one or more input interfaces including: a second input interface configured to be actuated to perform a second function of the one or more functions, wherein the second function includes a clockwise rotation of the rotor; and a third input interface configured to be actuated to perform a third function of the one or more functions, wherein the third function includes a counterclockwise rotation of the rotor; and one or more lighting units configured to be activated upon the actuation of the one or more input interfaces to illuminate at least a portion of the rotor assembly when performing the one or more functions associated with removing the selected cutting bit from the rotor; a controller configured to: receive one or more input signals correspondingly upon the actuation of the one or more input interfaces; and control, in response to the one or more input signals, a supply of electric power from an electrical power supply source of the machine to the one or more lighting units to activate the one or more lighting units. ### Claim 7 (depends on 6) The tool system of claim 6, wherein the tool includes a first communication line configured to operatively connect the one or more lighting units with the electrical power supply source of the machine, wherein the activation of the one or more lighting units is caused by the supply of electric power from the electrical power supply source to the one or more lighting units through the first communication line upon the actuation of the one or more input interfaces. ### Claim 8 (depends on 6) The tool system of claim 6, wherein the tool includes one or more second communication lines configured to operatively and correspondingly connect the one or more input interfaces with the electrical power supply source of the machine and the controller, wherein the one or more functions are performed based on the one or more input signals received by the controller through the one or more second communication lines upon the actuation of the associated one or more input interfaces. ### Claim 9 (depends on 6) The tool system of claim 6 further comprising a timer configured to measure an elapsed time accumulated from the actuation of the one or more input interfaces, wherein: the controller is in communication with the timer; and the controller is configured to cut-off the supply of electric power from the electrical power supply source of the machine to the one or more lighting units when the elapsed time is equal to or greater than a threshold cut-off time. ### Claim 10 (depends on 6) The tool system of claim 6, wherein the one or more input interfaces include a first input interface configured to be actuated to perform a first function of the one or more functions, and wherein the first function includes an extraction of the selected cutting bit from the rotor. ### Claim 11 (depends on 10) The tool system of claim 10, wherein the tool includes an extraction mechanism configured to extract the selected cutting bit from the rotor upon the actuation of the first input interface, and wherein the extraction mechanism is powered by a hydraulic power source of the machine. ### Claim 12 A machine, comprising: a milling chamber; a rotor assembly housed within the milling chamber, the rotor assembly including a rotor and a plurality of cutting bits to mill a ground surface beneath the machine; and a tool system including: a tool for removing a selected cutting bit of the plurality of cutting bits from the rotor, the tool including: one or more input interfaces configured to be actuated to perform one or more functions associated with removing the selected cutting bit from the rotor, the one or more input interfaces including: a second input interface configured to be actuated to perform a second function of the one or more functions, wherein the second function includes a clockwise rotation of the rotor; and a third input interface configured to be actuated to perform a third function of the one or more functions, wherein the third function includes a counterclockwise rotation of the rotor; and one or more lighting units configured to be activated upon the actuation of the one or more input interfaces to illuminate at least a portion of the rotor assembly when performing the one or more functions associated with removing the selected cutting bit from the rotor; a controller configured to: receive one or more input signals correspondingly upon the actuation of the one or more input interfaces; and control, in response to the one or more input signals, a supply of electric power from an electrical power supply source of the machine to the one or more lighting units to activate the one or more lighting units. ### Claim 13 (depends on 12) The machine of claim 12, wherein the tool includes a first communication line configured to operatively connect the one or more lighting units with the electrical power supply source of the machine, wherein the activation of the one or more lighting units is caused by the supply of electric power from the electrical power supply source to the one or more lighting units through the first communication line upon the actuation of the one or more input interfaces. ### Claim 14 (depends on 12) The machine of claim 12, wherein the tool includes one or more second communication lines configured to operatively and correspondingly connect the one or more input interfaces with the electrical power supply source of the machine and the controller, wherein the one or more functions are performed based on the one or more input signals received by the controller through the one or more second communication lines upon the actuation of the associated one or more input interfaces. ### Claim 15 (depends on 12) The machine of claim 12, wherein the tool system includes a timer configured to measure an elapsed time accumulated from the actuation of the one or more input interfaces, wherein: the controller is in communication with the timer; and the controller is configured to cut-off the supply of electric power from the electrical power supply source of the machine to the one or more lighting units when the elapsed time is equal to or greater than a threshold cut-off time. ### Claim 16 (depends on 12) The machine of claim 12, wherein the one or more input interfaces include a first input interface configured to be actuated to perform a first function of the one or more functions, and wherein the first function includes an extraction of the selected cutting bit from the rotor. ### Claim 17 (depends on 16) The machine of claim 16, wherein the tool includes an extraction mechanism configured to extract the selected cutting bit from the rotor upon the actuation of the first input interface, and wherein the extraction mechanism is powered by a hydraulic power source of the machine.