# US 10,766,543 B2 · Joint member for coupling chassis frame and variable chassis module of vehicle using the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,766,543 B2 - Document ID: US10766543B2 - Status: Granted - Kind: B2 - Application number: 16/212,562 - Filed: 2018-12-06 - Published: 2020-05-28 - Granted: 2020-09-08 - Earliest claimed: 2018-11-26 - Assignees: Korea Institute of Industrial Technology - Applicants: Korea Institute of Industrial Technology - Inventors: Hyun Rok Cha; Myeong Hwan Hwang; Jong Ho Han; Dong Hyun Kim; Gil Woo Choi; Se Hyeon Yang; Gye Seong Lee; Hae Sol Lee - Web page: https://patentgrep.com/patent/US10766543B2 ## CPC - B62D 27/023: {Assembly of structural joints} - B62D 21/02: comprising longitudinally or transversely arranged frame members - B62D 21/186: {for building site vehicles or multi-purpose tractors (tracked vehicles B62D55/10; tractors in general B62D49/00; building site vehicles in general E02F; lift-trucks B66F)} - B62D 63/025: {Modular vehicles (superstructures for busses having modular sections B62D31/025)} - B62D: MOTOR VEHICLES; TRAILERS (steering, or guiding on a desired track, of agricultural machines or implements A01B69/00; wheels, castors, axles, increasing wheel adhesion B60B; vehicle tyres, tyre inflation or tyre changing B60C; connections between vehicles of a train or the like B60D; vehicles for use on rail and road, amphibious or convertible vehicles B60F; suspension arrangements B60G; heating, cooling, ventilating or other air treating devices B60H; windows, windscreens, non-fixed roofs, doors or similar devices, protective coverings for vehicles not in use B60J; propulsion plant arrangements, auxiliary drives, transmissions, controls, instrumentation or dashboards B60K; electric equipment or propulsion of electrically-propelled vehicles B60L; power supply for electrically-propelled vehicles B60M; passenger accommodation not otherwise provided for B60N; adaptations for load transportation or to carry special loads or objects B60P; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; vehicles, vehicle fittings or vehicle parts not otherwise provided for B60R; servicing, cleaning, repairing, supporting, lifting, or manoeuvring, not otherwise provided for, B60S; brake arrangements, brake control systems or parts thereof B60T; air-cushion vehicles B60V; motor-cycles, accessories therefor B62J, B62K; testing of vehicles G01M) ## Abstract A joint member for coupling a chassis frame according to the present invention, which couples frames composing a chassis, includes a block-shaped main body and a first insertion groove into which one end portion of a first frame, which is a frame extending in a width direction of the chassis, is inserted and which is formed on one surface of the main body, and the plurality of first insertion grooves are formed in a longitudinal direction of the chassis so that a length of the chassis is changed according to a position at which the first frame is inserted. ## Claims ### Claim 1 A joint member for coupling a chassis frame, which couples frames composing a chassis, the joint member comprising: a main body which has a block shape; and a first insertion groove into which one end portion of a first frame, which is a frame extending in a width direction of the chassis, is inserted and which is formed in plural on one surface of the main body, wherein the plurality of first insertion grooves are formed in a longitudinal direction of the chassis so that a length of the chassis is changed according to a position into which the first frame is inserted. ### Claim 2 (depends on 1) The joint member of claim 1, wherein at least a part of the first insertion grooves are formed at different positions in a width direction of the chassis so that a width of the chassis is changed according to a position at which the first frame is inserted. ### Claim 3 (depends on 1) The joint member of claim 1, wherein at least a part of the first insertion grooves have different depths so that a width of the chassis is changed according to a position at which the first frame is inserted. ### Claim 4 (depends on 1) The joint member of claim 1, further comprising a second insertion groove into which one end portion of a second frame, which is a frame connected to a front end module or a rear end module of a vehicle, is inserted and which is formed on another surface of the main body. ### Claim 5 (depends on 4) The joint member of claim 4, wherein the second insertion groove is formed on a protruding part protruding and extending upward from an upper surface of the main body. ### Claim 6 A variable chassis module of a vehicle, in which a plurality of frames coupled to each other form a chassis module, the variable chassis module comprising: a main frame which has a substantially rectangular shape; joint frames each extending from edges of the main frame outward in a lateral direction which is a width direction of the chassis module; and joint members each coupled to the joint frames, wherein each of the joint members includes a first insertion groove which is formed in plural on one surface facing the joint frame so that an end portion of the joint frame is inserted thereinto, and the plurality of first insertion grooves are formed in a longitudinal direction of the chassis module so that a length of the chassis module is changed according to a position at which the joint frame is inserted. ### Claim 7 (depends on 6) The variable chassis module of claim 6, wherein at least a part of the first insertion grooves of each of the joint members are formed at different positions in a width direction of the chassis module so that a width of the chassis module is changed according to a position at which the joint frame is inserted. ### Claim 8 (depends on 6) The variable chassis module of claim 6, wherein at least a part of the first insertion grooves of each of the joint members have different depths so that a width of the chassis module is changed according to a position at which the joint frame is inserted. ### Claim 9 (depends on 6) The variable chassis module of claim 6, further comprising: a pair of front end module frames connected with a front end module of the vehicle and each disposed in left and right directions of the main frame; and a pair of rear end module frames connected with a rear end module of the vehicle and each disposed in left and right directions of the main frame, wherein a second insertion groove into which any one of the front end module frames is inserted is formed on one side of each of the joint members coupled to the joint frames extending from upper edges of the main frame, and a third insertion groove into which any one of the rear end module frames is inserted is formed on one side of each of the joint members coupled to the joint frames extending from lower edges of the main frame. ### Claim 10 (depends on 9) The variable chassis module of claim 9, further comprising a pair of side frames each disposed on laterally outsides of the main frame in a longitudinal direction of the chassis module, wherein each of the joint members includes a fourth insertion groove formed on one surface facing the side frames so that one end portion of the side frame is inserted thereinto. ### Claim 11 A joint member for coupling a chassis frame, which couples frames composing a chassis, the joint member comprising: a main body which has a block shape; a first insertion groove into which one end portion of a horizontal frame, which is a width-directional frame of the chassis, is inserted and which is formed in plural on a first side surface of the main body; and a second insertion groove into which one end portion of a vertical frame, which is a longitudinal direction of the chassis, is inserted and which is formed on a second side surface of the main body, the second side surface being adjacent to the first side surface, wherein the plurality of first insertion grooves are formed in a longitudinal direction of the chassis so that a length of the chassis is changed according to a position at which the horizontal frame is inserted. ### Claim 12 (depends on 11) The joint member of claim 11, wherein an insertion depth of the vertical frame inserted into the second insertion groove is changed according to a case when a length of the chassis is changed according to a position at which the horizontal frame is inserted. ### Claim 13 (depends on 12) The joint member of claim 12, wherein at least a part of the first insertion grooves are formed at different positions in a width direction of the chassis so that a width of chassis is changed according to a position at which the horizontal frame is inserted. ### Claim 14 (depends on 12) The joint member of claim 12, wherein at least a part of the first insertion grooves have different depths so that a width of chassis is changed according to a position at which the horizontal frame is inserted. ### Claim 15 (depends on 11) The joint member of claim 11, further comprising a third insertion groove into which one end portion of a perpendicular frame, which is a frame connected with a front end module or a rear end module of the vehicle, is inserted and which is formed on one side of the main body. ### Claim 16 A variable chassis module of a vehicle, in which a plurality of frames coupled to each other form a chassis module, the variable chassis module comprising: a pair of horizontal frames disposed to be spaced apart from each other in a vertical direction; a pair of vertical frames each disposed on the left and right of the horizontal frame; and joint members each connected to edges of a rectangular shape so that the horizontal frames and the vertical frames are coupled to each other in the rectangular shape, wherein each of the joint members includes a first insertion groove formed in plural on a first side surface facing the horizontal frame so that one end portion of the horizontal frame is inserted thereinto, and a second insertion groove formed on a second side surface facing the vertical frame so that one end portion of the vertical frame is inserted thereinto, wherein the plurality of first insertion grooves are formed in a longitudinal direction of the chassis module so that a length of the chassis module is changed according to a position at which the horizontal frame is inserted. ### Claim 17 (depends on 16) The variable chassis module of claim 16, wherein an insertion depth of the vertical frame inserted into the second insertion groove is changed according to a case when a length of the chassis module is changed according to a position at which the horizontal frame is inserted. ### Claim 18 (depends on 17) The variable chassis module of claim 17, wherein at least a part of the first insertion grooves of each of the joint members are formed at different positions in a width direction of the chassis module so that a width of the chassis module is changed according to a position at which the horizontal frame is inserted. ### Claim 19 (depends on 17) The variable chassis module of claim 17, wherein at least a part of the first insertion grooves of each of the joint members have different depths so that a width of the chassis module is changed according to a position at which the horizontal frame is inserted. ### Claim 20 (depends on 16) The variable chassis module of claim 16, further comprising: a pair of front end module frames connected with a front end module of the vehicle and each disposed in left and right directions of the horizontal frame; and a pair of rear end module frames connected with a rear end module of the vehicle and each disposed in left and right directions of the horizontal frame, wherein a third insertion groove into which any one of the front end module frames is inserted is formed on one side of each of the joint members connected to upper edges of the rectangular shape, and a fourth insertion groove into which any one of the rear end module frames is inserted is formed on one side of each of the joint members connected to lower edges of the rectangular shape.