# US 12,110,917 B2 · Fastening device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,110,917 B2 - Document ID: US12110917B2 - Status: Granted - Kind: B2 - Application number: 17/762,612 - Filed: 2020-09-22 - Published: 2022-12-15 - Granted: 2024-10-08 - Earliest claimed: 2019-10-02 - Assignees: Illinois Tool Works Inc. - Applicants: Illinois Tool Works Inc. - Inventors: Christoph Leidig; Jan Müller - Web page: https://patentgrep.com/patent/US12110917B2 ## CPC - F16B 21/086: {the shank of the stud, pin or spigot having elevations, ribs, fins or prongs intended for deformation or tilting predominantly in a direction perpendicular to the direction of insertion} - F16B 21/02: Releasable fastening devices locking by rotation (with snap-action F16B21/06; studs or coupling pins with resilient protrusions F16B21/08) - F16B 21/08: in which the stud, pin, or spigot has a resilient part ({F16B21/065, F16B21/125, F16B21/165, F16B37/043 take precedence}; wall-dowels F16B13/00) - F16B: DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING (couplings for transmitting rotation F16D) ## Abstract A fastening device for fastening add-on parts on carrier components has a plug-in locking device, for locking to a carrier component, and a releasable rotary locking device, spaced apart axially from the plug-in locking device and intended for locking to an add-on part. The rotary locking device has an axial supporting element and at least one locking wing, spaced apart axially from the supporting element and extending away radially from a shank of the fastening device. The supporting element and the at least one locking wing have axial locking surfaces, located axially opposite one another. The axial locking surface of the supporting element is arranged axially between the locking wing and the plug-in locking device. The rotary locking device also has a rotary locking stop, which delimits the rotating-in and/or rotating-out action. ## Claims ### Claim 1 A fastening device for fastening add-on parts on carrier components, wherein the fastening device has a plug-in locking device, for locking to a carrier component, and a releasable rotary locking device, which is spaced apart axially from the plug-in locking device and is intended for locking to an add on part, wherein the rotary locking device has an axial supporting element and at least one locking wing, which is spaced apart axially from the supporting element and extends away radially from an axial shank of the fastening device, wherein the supporting element and the at least one locking wing have axial locking surfaces, which are located axially spaced apart from and opposite one another to define a space therebetween, wherein the axial locking surface of the supporting element is arranged axially between the locking wing and the plug-in locking device, wherein the rotary locking device also has a rotary locking stop, which delimits the rotating-in and/or rotating-out action; wherein the rotary locking stop is a crosspiece that extends (i) radially with respect to the axial shank and (ii) axially from the axial locking surface of the locking wing to the axial locking surface of the supporting element. ### Claim 2 (depends on 1) The fastening device as claimed in claim 1, wherein the rotary locking stop connects the supporting element and the at least one locking wing to one another. ### Claim 3 (depends on 2) The fastening device as claimed in claim 2, wherein the rotary locking stop interacts with the supporting element and the at least one locking wing, providing stiffening action in the process. ### Claim 4 (depends on 1) The fastening device as claimed in claim 1, wherein the crosspiece extends inward from a radially outer edge of the supporting element and/or an outer edge of the at least one locking wing. ### Claim 5 (depends on 1) The fastening device as claimed in claim 1, wherein the at least one locking wing extends away radially from the shank and is in the form of a sector of a circular disc. ### Claim 6 (depends on 1) The fastening device as claimed in claim 1, wherein an outer edge of the at least one locking wing and a radially outer edge of the supporting element are aligned axially with one another. ### Claim 7 (depends on 1) The fastening device as claimed in claim 1, wherein the plug-in locking device has at least one latching element and an abutment device, which is spaced apart axially therefrom. ### Claim 8 (depends on 7) The fastening device as claimed in claim 7, wherein the abutment device has a bearing edge, which is formed on the periphery of at least one axially resilient abutment arm and/or has an elastic element. ### Claim 9 (depends on 8) The fastening device as claimed in claim 8, wherein the at least one latching element is accommodated in an aperture of a lateral wall of the shank and is attached elastically to the lateral wall by way of a base and has a latching surface, which is directed axially toward the abutment device, and a ramp, which is directed axially away from the abutment device, wherein the ramp and the latching surface are connected by a snap-fit edge, which projects outward beyond an outer contour of the lateral wall. ### Claim 10 (depends on 1) The fastening device as claimed in claim 1, wherein a rotary drive is arranged on the shank of the fastening device. ### Claim 11 (depends on 10) The fastening device as claimed in claim 10, wherein, as seen from the supporting element, the at least one locking wing is arranged in the direction of the rotary drive. ### Claim 12 (depends on 1) The fastening device as claimed in claim 1, wherein the shank is of at least partially cylindrical design. ### Claim 13 (depends on 1) The fastening device as claimed in claim 1, wherein the supporting element is designed to encircle the shank in plate form. ### Claim 14 (depends on 1) The fastening device as claimed in claim 1, wherein there is a locking contour, which is designed to interact with a mating locking contour of an add-on part, thereby securing a locked position of the fastening device on the add-on part, wherein the locking contour is a semi-cylindrical or partially cylindrical elevation, which is formed on the axial locking surface of the supporting element or on the axial locking surface of the at least one locking wing. ### Claim 15 A fastening device for fastening add-on parts on carrier components, wherein the fastening device has a plug-in locking device, for locking to a carrier component, and a releasable rotary locking device, which is spaced apart axially from the plug-in locking device and is intended for locking to an add on part, wherein the rotary locking device has an axial supporting element and at least one locking wing, which is spaced apart axially from the supporting element and extends away radially from an axial shank of the fastening device, wherein the supporting element and the at least one locking wing have axial locking surfaces, which are located axially opposite one another, wherein the axial locking surface of the supporting element is arranged axially between the locking wing and the plug-in locking device, wherein the rotary locking device also has a rotary locking stop, which delimits the rotating-in and/or rotating-out action; further including a locking contour, which is designed to interact with a mating locking contour of an add-on part, thereby securing a locked position of the fastening device on the add-on part, wherein the locking contour is a semi-cylindrical or partially cylindrical elevation, which is formed on the axial locking surface of the supporting element or on the axial locking surface of the at least one locking wing.