# US 12,213,589 B2 · Multi-purpose rack crossbar, multi-purpose rack crossbar device and sucker > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,213,589 B2 - Document ID: US12213589B2 - Status: Granted - Kind: B2 - Application number: 17/661,560 - Filed: 2022-05-01 - Published: 2023-07-27 - Granted: 2025-02-04 - Earliest claimed: 2022-01-24 - Assignees: Shanghai Zuos Tools Co., Ltd. - Applicants: Shanghai Zuos Tools Co., Ltd. - Inventors: Shiping Zuo - Web page: https://patentgrep.com/patent/US12213589B2 ## CPC - A47B 96/1466: {with longitudinal grooves} - F16B 47/00: Suction cups for attaching purposes; Equivalent means using adhesives {(devices using adhesives, suction or magnetism for hanging or supporting pictures or the like A47G1/17; vacuum work holders B25B11/005; anchoring of ships using suction B63B21/27; suction cups for handling glass B65G49/061; load-engaging elements for cranes using suction means B66C1/02)} - A47B: TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE (furniture jointing F16B) - 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 multi-purpose rack crossbar includes: a rack crossbar body, and a first mounting component removably connected to the rack crossbar body; the rack crossbar body is provided with a first mounting groove and at least one second mounting groove, the first mounting groove is removably connected to a first end of the first mounting component, and a runner assembly is provided at a second end of the first mounting component; the multi-purpose rack crossbar device includes: a second mounting component fitted and connected to the second mounting groove, and the multi-purpose rack crossbar; the sucker includes: the multi-purpose rack crossbar or the multi-purpose rack crossbar device. ## Claims ### Claim 1 A multi-purpose rack crossbar, comprising: a rack crossbar body, and a first mounting component connected to the rack crossbar body; the rack crossbar body is provided with a first mounting groove and at least one second mounting groove, the first mounting groove is connected to a first end of the first mounting component, and a runner assembly is provided at a second end of the first mounting component; wherein the second mounting groove comprises: a second opening portion and a second receiver which is connected to and wider than the second opening portion; wherein the second receiver comprises: a first rectangular portion connected to the second opening portion; wherein the runner assembly comprises: a universal structure consisting of a spherical structure and a third mounting groove fitted to the spherical structure. ### Claim 2 (depends on 1) The multi-purpose rack crossbar according to claim 1, characterized in that the first mounting groove comprises: a first opening portion, and a first receiver which is connected to and wider than the first opening portion. ### Claim 3 (depends on 2) The multi-purpose rack crossbar according to claim 2, characterized in that the first receiver comprises: a first tapered portion and a first top, which are connected to each other and at least enclosed to form the first receiver having an opening. ### Claim 4 (depends on 3) The multi-purpose rack crossbar according to claim 3, characterized in that the width of a large end of the first tapered portion gradually decreases to that of a small end thereof, wherein the large end is connected to the first opening portion while the small end is connected to the first top. ### Claim 5 (depends on 1) The multi-purpose rack crossbar according to claim 1, characterized in that the first mounting component comprises: a mounting slider fitted to the first mounting groove, and a mounting rod with a first end connected to the mounting slider and a second end connected to the spherical structure. ### Claim 6 (depends on 5) The multi-purpose rack crossbar according to claim 5, characterized in that a receiving space for adjusting the mounting rod in the vertical direction is further provided on the top of the first mounting groove. ### Claim 7 (depends on 5) The multi-purpose rack crossbar according to claim 5, characterized in that the first mounting component further comprises: at least one retaining clip mounted on the mounting rod. ### Claim 8 (depends on 7) The multi-purpose rack crossbar according to claim 7, characterized in that when the mounting rod is of a screw structure, the retaining clip comprises: a nut structure fitted to the screw structure. ### Claim 9 (depends on 1) The multi-purpose rack crossbar according to claim 1, characterized in that the second receiver further comprises: a first retaining nest; the first rectangular portion and the first retaining nest are connected to each other and at least enclosed to form the second receiver having an opening. ### Claim 10 (depends on 9) The multi-purpose rack crossbar according to claim 9, characterized in that the first rectangular portion is connected to a large end of the first retaining nest. ### Claim 11 (depends on 9) The multi-purpose rack crossbar according to claim 9, characterized in that the first rectangular portion is wider than the second opening portion, and is wider than or as wide as the large end of the first retaining nest. ### Claim 12 (depends on 11) The multi-purpose rack crossbar according to claim 11, further comprising a closure head mounted at each end of the rack crossbar body, and a connecting portion of the closure head is in drive fit and connected to a plurality of hollow channels in the rack crossbar body; and/or recess holes fitted to the second mounting groove are further formed in the closure head. ### Claim 13 (depends on 12) The multi-purpose rack crossbar according to claim 12, characterized in that the rack crossbar body is of an axisymmetric structure. ### Claim 14 A multi-purpose rack crossbar device, comprising: a multi-purpose rack crossbar, wherein the multi-purpose rack crossbar comprises: a rack crossbar body, and a first mounting component connected to the rack crossbar body; the rack crossbar body is provided with a first mounting groove and at least one second mounting groove, the first mounting groove is connected to a first end of the first mounting component, a second mounting component, wherein the second mounting component is fitted and connected to the at least one second mounting groove, and a runner assembly is provided at a second end of the first mounting component; wherein the second mounting groove comprises: a second opening portion and a second receiver which is connected to and wider than the second opening portion; wherein the second receiver comprises: a first rectangular portion connected to the second opening portion; wherein the runner assembly comprises: a universal structure consisting of a spherical structure and a third mounting groove fitted to the spherical structure. ### Claim 15 (depends on 14) The multi-purpose rack crossbar device according to claim 14, characterized in that the second mounting component comprises: a first fixed link fitted to the second mounting groove. ### Claim 16 (depends on 15) The multi-purpose rack crossbar device according to claim 15, characterized in that the second mounting component further comprises: a grip knob, and the first fixed link fitted and connected to the grip knob. ### Claim 17 (depends on 15) The multi-purpose rack crossbar device according to claim 15, characterized in that the second mounting component comprises: a second fixed link, and a retainer fitted to the second fixed link and the second mounting groove. ### Claim 18 (depends on 17) The multi-purpose rack crossbar device according to claim 17, characterized in that when the second fixed link is a mounting bolt, the second mounting component further comprises: a nut and a gasket, which are both fitted and connected to and mounted on the second fixed link. ### Claim 19 (depends on 17, 18) The multi-purpose rack crossbar device according to claim 17 or 18, characterized in that a movable lifting yoke is further provided at one end of the second fixed link. ### Claim 20 (depends on 14) The multi-purpose rack crossbar device according to claim 14, characterized in that the second mounting component further comprises: an anti-skid rubber protection pad, on which at least one mounting portion fitted to the second mounting groove is provided. ### Claim 21 (depends on 14) A sucker, comprising the multi-purpose rack crossbar, or the multi-purpose rack crossbar device according to claim 14. ### Claim 22 (depends on 21) The sucker according to claim 21, characterized in that the sucker body comprises: a suction cup and a mounting base for mounting the suction cup, and a mounting hole is formed on the mounting base. ### Claim 23 (depends on 22) The sucker according to claim 22, characterized in that a deflation yoke is further provided on the suction cup. ### Claim 24 (depends on 23) The sucker according to claim 23, characterized in that the sucker is an electric sucker, comprising a suction pump having an air pipe communicated with the suction cup. ### Claim 25 (depends on 24) The sucker according to claim 24, wherein a check valve is further provided on the air pipe. ### Claim 26 (depends on 25) The sucker according to claim 25, wherein the check valve is replaced with a normally closed electromagnetic gas valve. ### Claim 27 (depends on 22, 23, 24, 25, 26) The sucker according to any one of claims 22 to 26, characterized in that a Printed Circuit Board (PCB) is further provided inside the sucker body, and an MCU control circuit, a pressure acquisition circuit, a Bluetooth transmission circuit, an LCD circuit and a power management circuit are provided on the PCB. ### Claim 28 (depends on 26) The electric sucker according to claim 26, characterized in that a display module electrically connected to a Printed Circuit Board (PCB) is further provided on the sucker body. ### Claim 29 (depends on 26) The electric sucker according to claim 26, further comprising a pressure sensor, which is provided on the suction cup and electrically connected to a Printed Circuit Board (PCB). ### Claim 30 (depends on 22, 23, 24, 25, 26) The sucker according to any one of claims 22 to 26, further comprising an operational power supply mounted on the sucker body. ### Claim 31 (depends on 22, 23, 24, 25, 26) The sucker according to any one of claims 22 to 26, characterized in that a plurality of buttons are further provided on the sucker body. ### Claim 32 (depends on 26) The sucker according to claim 26, further comprising a communication module, which is provided on the sucker body and electrically connected to a Printed Circuit Board (PCB). ### Claim 33 (depends on 32) The electric sucker according to claim 32, wherein a wireless communication module comprises: a Bluetooth module.