# US 11,112,059 B2 · Adjustable connection between an assistive device and a wearable device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,112,059 B2 - Document ID: US11112059B2 - Status: Granted - Kind: B2 - Application number: 16/838,702 - Filed: 2020-04-02 - Published: 2021-07-08 - Granted: 2021-09-07 - Earliest claimed: 2020-01-07 - Assignees: Nextvpu (Shanghai) Co., Ltd. - Applicants: Nextvpu (Shanghai) Co., Ltd. - Inventors: Chang Sun; Haijiao Cai; Xinpeng Feng; Ji Zhou - Web page: https://patentgrep.com/patent/US11112059B2 ## CPC - F16M 13/022: {repositionable} - G02C 11/10: {Electronic devices other than hearing aids} - F16M 11/041: {Allowing quick release of the apparatus} - F16M 11/105: {the horizontal axis being the roll axis, e.g. for creating a landscape-portrait rotation} - F16M 13/04: for supporting on, or holding steady relative to, a person, e.g. by chains {, e.g. rifle butt or pistol grip supports, supports attached to the chest or head (apparatus or arrangements for taking photographs or for projecting or viewing them G03B)} - G02B 27/01: Head-up displays - G02C 11/00: Non-optical adjuncts; Attachment thereof (G02C7/16 takes precedence) - G03B 17/561: {Support related camera accessories} - G03B 17/566: {Accessory clips, holders, shoes to attach accessories to camera (if integral part of camera body G03B17/02)} - G03B 29/00: Combinations of cameras, projectors or photographic printing apparatus with non-photographic non-optical apparatus, e.g. clocks or weapons; Cameras having the shape of other objects (combinations with flash apparatus G03B15/03) - G06F 1/163: {Wearable computers, e.g. on a belt} - H04N 23/51: Housings - H04N 23/54: Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils - H04N 23/57: Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices - F16B 5/121: {fastened over the edge(s) of the sheet(s) or plate(s)} - F16B 2200/83: Use of a magnetic material - F16M 2200/021: for rotational movement - F16M 2200/024: by positive interaction, e.g. male-female connections - G02B 2027/0138: {comprising image capture systems, e.g. camera} - G02C 2200/02: Magnetic means - H04M 1/05: specially adapted for use on head, throat or breast - H04N 1/00538: {Modular devices, i.e. allowing combinations of separate components, removal or replacement of components} - H04N 13/332: Displays for viewing with the aid of special glasses or head-mounted displays [HMD] - F16M: FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS - G02C: SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES (trial frames for testing the eyes A61B3/04; goggles or eyeshields not having the same features as spectacles A61F9/00) - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - 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) - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) ## Abstract The present disclosure relates to the field of wearable devices, and in particular to a connector for a wearable device, an assistive device, a wearable device, and a kit. The connector comprises a first connecting component and a second connecting component, wherein the first connecting component comprises a first engaging member, the second connecting component comprises a second engaging member, and the first connecting component and the second connecting component are connected to each other by means of the mating between the first engaging member and the second engaging member and can rotate relative to each other into a separable position and an engaged position. The connector of the present disclosure can solve the technical problem that the mounting angle of the assistive device relative to the wearable device cannot be flexibly and conveniently adjusted and cannot be maintained in each adjustment shift. ## Claims ### Claim 1 An assistive device comprising a connector for mounting the assistive device to a wearable body, wherein the connector includes: a first connecting component to be mounted to one of the assistive device and the wearable body, and a second connecting component to be mounted to the other of the assistive device and the wearable body, wherein the first connecting component comprises a first engaging member, the second connecting component comprises a second engaging member, and the first connecting component and the second connecting component are configured to rotate relative to each other into a separable position or into an engaged position, wherein in the separable position, the first engaging member and the second engaging member are separated from each other such that the first connecting component is separably engaged with the second connecting component in an axial direction, wherein in the engaged position, the first engaging member and the second engaging member are engaged with each other such that the first connecting component is inseparably engaged with the second connecting component in the axial direction, wherein the first connecting component further comprises at least one first holding member, the second connecting component further comprises at least one second holding member, and the engaged position comprises at least one rotation position where the first connecting component is rotatable relative to the second connecting component around the axial direction, and a plurality of holding positions where the first holding member and the second holding member mate with each other such that when a torque smaller than a threshold value is applied, the first connecting component and the second connecting component are not rotatable relative to each other and are held in one of the plurality of holding positions, and when a torque greater than or equal to the threshold value is applied, the first connecting component and the second connecting component are rotatable relative to each other to be out of the one of the plurality of holding positions; and wherein the first connecting component has an outer peripheral surface, the second connecting component has an outer peripheral portion, the outer peripheral portion has an inner peripheral surface, the outer peripheral surface is rotatable relative to the inner peripheral surface, and the outer peripheral surface and the inner peripheral surface define an axis of rotation around which the second connecting component rotates relative to the first connecting component, wherein the first holding member is configured as grooves, and the second holding member is configured as a raised strip and in the holding position, the raised strip is located in one of the grooves. ### Claim 2 (depends on 1) The assistive device according to claim 1, wherein the first connecting component is provided with a recess at the center of rotation, and the second connecting component is provided with a projection at the center of rotation; when the second connecting component is connected with the first connecting component, at least a part of the projection is received in the recess in a form-fit manner; and the projection and the recess define an axis of rotation around which the second connecting component rotates relative to the first connecting component. ### Claim 3 (depends on 2) The assistive device according to claim 2, wherein the projection and the recess have circular or partially circular contours matching each other. ### Claim 4 (depends on 2) The assistive device according to claim 2, wherein the first engaging member is configured as a protrusion that extends radially inward from an inner side of the recess, and the second engaging member is configured as a lug that extends radially outward from a base of the projection; in the separable position, as viewed in the axial direction of the connector, the first engaging member and the second engaging member are disposed in a staggered manner, and in the engaged position, as viewed in the axial direction of the connector, the first engaging member and the second engaging member are engaged in an at least partially overlapped manner. ### Claim 5 (depends on 4) The assistive device according to claim 4, wherein the protrusion has a partially circular contour matching the base of the second engaging member. ### Claim 6 (depends on 4) The assistive device according to claim 4, wherein the first engaging member comprises a pair of protrusions provided in pairs, and the second engaging member comprises a pair of lugs provided in pairs. ### Claim 7 (depends on 4) The assistive device according to claim 4, wherein the connector further comprises an elastic supporting member for axially supporting the second holding member in the engaged position. ### Claim 8 (depends on 7) The assistive device according to claim 7, wherein the elastic supporting member is configured as an elastic ring disposed around the base of the projection. ### Claim 9 (depends on 7) The assistive device according to claim 7, wherein the elastic supporting member is configured as at least one elastic bulge on the first engaging member extending in a direction towards the second engaging member. ### Claim 10 (depends on 1) The assistive device according to claim 1, wherein when the second connecting component is connected with the first connecting component, the outer peripheral surface and the inner peripheral surface are in form-fit rotatably relative to each other. ### Claim 11 (depends on 10) The assistive device according to claim 10, wherein the outer peripheral surface and the inner peripheral surface have any one of circular or partially circular contours matching each other, polygonal contours matching each other, and contours with teeth matching each other. ### Claim 12 (depends on 1) The assistive device according to claim 1, wherein the first connecting component comprises at least one first magnetic component, and the second connecting component comprises at least one second magnetic component, wherein the first magnetic component and the second magnetic component are shaped and sized such that the first magnetic component and the second magnetic component are configured to magnetically attracted. ### Claim 13 (depends on 1) The assistive device according to claim 1, wherein the connecting components, connected to the wearable body, of the first connecting component and the second connecting component comprise a clamping groove for clamping a part of the wearable body such that the connecting components are configured to detachably connected to the wearable body. ### Claim 14 (depends on 1) The assistive device according to claim 1, comprising an electronic reader. ### Claim 15 (depends on 1) The assistive device according to claim 1, wherein the first connecting component comprises at least one first magnetic component, and the second connecting component comprises at least one second magnetic component, wherein the first magnetic component and the second magnetic component are arranged to repel each other in a wrong mounting direction of the assistive device onto the wearable body. ### Claim 16 An assistive device comprising a connector for mounting the assistive device to a wearable body, wherein the connector includes: a first connecting component to be mounted to one of the assistive device and the wearable body, and a second connecting component to be mounted to the other of the assistive device and the wearable body, the first connecting component further comprising at least one first holding member, and the second connecting component further comprising at least one second holding member, wherein the first connecting component and the second connecting component are connected to be non-rotatable with respect to each other in a plurality of holding positions and rotatable with respect to each other in other positions than the plurality of holding positions, wherein in the plurality of holding positions, the first holding member and the second holding member fit with each other such that when a torque smaller than a threshold value is applied, the first connecting component and the second connecting component are non-rotatably held relative to each other, and when a torque applied is greater than or equal to the threshold value, the first connecting component and the second connecting component are rotatable relative to each other to be out of the plurality of holding positions; and wherein the first connecting component has an outer peripheral surface, the second connecting component has an outer peripheral portion, the outer peripheral portion has an inner peripheral surface, the outer peripheral surface is rotatable relative to the inner peripheral surface, and the outer peripheral surface and the inner peripheral surface define an axis of rotation around which the second connecting component rotates relative to the first connecting component, wherein the first holding member is configured as grooves, and the second holding member is configured as a raised strip and in the holding position, the raised strip is located in one of the grooves. ### Claim 17 (depends on 16) The assistive device according to claim 16, wherein the at least one holding position comprises a plurality of holding positions, and when the first connecting component rotates relative to the second connecting component, the first connecting component and the second connecting component are in the holding positions sequentially. ### Claim 18 A wearable device, comprising: a wearable body; an assistive device; and a connector for coupling the assistive device to the wearable body; wherein the connector includes: a first connecting component to be mounted to one of the assistive device and the wearable body, and a second connecting component to be mounted to the other of the assistive device and the wearable body, wherein the first connecting component comprises a first engaging member, the second connecting component comprises a second engaging member, and the first connecting component and the second connecting component are configured to rotate relative to each other into a separable position or into an engaged position, wherein in the separable position, the first engaging member and the second engaging member are separated from each other such that the first connecting component is separably engaged with the second connecting component in an axial direction, wherein in the engaged position, the first engaging member and the second engaging member are engaged with each other such that the first connecting component is inseparably engaged with the second connecting component in the axial direction, wherein the first connecting component further comprises at least one first holding member, the second connecting component further comprises at least one second holding member, and the engaged position comprises at least one rotation position where the first connecting component is rotatable relative to the second connecting component around the axial direction, and a plurality of holding positions where the first holding member and the second holding member mate with each other such that when a torque smaller than a threshold value is applied, the first connecting component and the second connecting component are not rotatable relative to each other and are held in one of the plurality of holding positions, and when a torque greater than or equal to the threshold value is applied, the first connecting component and the second connecting component are rotatable relative to each other to be out of the one of the plurality of holding positions; and wherein the first connecting component has an outer peripheral surface, the second connecting component has an outer peripheral portion, the outer peripheral portion has an inner peripheral surface, the outer peripheral surface is rotatable relative to the inner peripheral surface, and the outer peripheral surface and the inner peripheral surface define an axis of rotation around which the second connecting component rotates relative to the first connecting component, wherein the first holding member is configured as grooves, and the second holding member is configured as a raised strip and in the holding position, the raised strip is located in one of the grooves.