# US 12,000,759 B2 · Shaking device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,000,759 B2 - Document ID: US12000759B2 - Status: Granted - Kind: B2 - Application number: 16/633,944 - Filed: 2018-06-08 - Published: 2020-07-09 - Granted: 2024-06-04 - Earliest claimed: 2017-07-27 - Assignees: Russell Innovations Pty Ltd - Applicants: Russell Innovations Pty Ltd - Inventors: Adrian Russell - Web page: https://patentgrep.com/patent/US12000759B2 ## CPC - G01M 7/02: Vibration-testing {by means of a shake table} - B06B 1/12: operating with systems involving reciprocating masses - G01M 7/00: Vibration-testing of structures; Shock-testing of structures (G01M9/00 takes precedence) - G01M 7/06: Multidirectional test stands - G09B 9/00: Simulators for teaching or training purposes (for the use of weapons F41; computing aspects G06; {protocols for games, networked simulations or virtual reality H04L67/131}) - G09B 23/40: for geology - G01M: TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR - B06B: METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, {e.g.} FOR PERFORMING MECHANICAL WORK IN GENERAL (for particular applications, see the relevant subclasses, e.g. B07B1/40, B23Q17/12, B24B31/06; measurement of mechanical vibrations G01H; in direction finding, locating, distance or velocity measuring G01S; {generating seismic energy G01V1/02}; control of mechanical vibrations in general G05D; sound-producing devices, e.g. bells, sirens, whistles G10K, {e.g. methods or devices for transmitting, conducting, or directing sound in general G10K11/00}; generation of electrical oscillations H03B; electromechanical resonators in general H03H; electromechanical transducers {for communication techniques, e.g. microphones, speakers} H04R) - G09B: EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS (devices for psychotechnics or for testing reaction times A61B5/16; games, sports, amusements A63; projectors, projector screens G03B) ## Abstract The present invention relates to shaking devices and in particular to shaking devices for use in earthquake simulations. The shaking devices may be capable of imposing movement along more than one axis. Those skilled in the art will understand that the devices described herein have a broad range of applications. ## Claims ### Claim 1 A shaking device comprising: a base; a lower support platform slidably mounted to the base; an upper support platform slidably mounted to the lower support platform; a stage moveably disposed above the upper support platform; and a pair of scissor arms connecting the stage to the upper support platform and the lower support platform, wherein the pair of scissor arms comprises: a first scissor arm rotatably connected to one of the upper support platform or the lower support platform, and rotatably connected to the stage; and a second scissor arm rotatably connected to the upper support platform if the first scissor arm is rotatably connected to the lower support platform or the lower support platform if the first scissor arm is rotatably connected to the upper support platform, and rotatably connected to the first scissor arm at a position between the upper support platform and the stage. ### Claim 2 (depends on 1) The shaking device according to claim 1 wherein the shaking device comprises more than one pair of scissor arms. ### Claim 3 (depends on 2) The shaking device according to claim 2 wherein the shaking device comprises more than one laterally spaced pair of scissor arms rotatably connected to opposing sides of the stage. ### Claim 4 (depends on 1) The shaking device according to claim 1 wherein the base comprises a plurality of laterally spaced guides for guiding longitudinal sliding movement of the lower support platform. ### Claim 5 (depends on 4) The shaking device according to claim 4 wherein the guides are in the form of guide rails. ### Claim 6 (depends on 1) The shaking device according to claim 1 wherein the lower support platform comprises a plurality of laterally spaced guides for guiding longitudinal sliding movement of the upper support platform. ### Claim 7 (depends on 1) The shaking device according to claim 1 further comprising a lower actuator for driving longitudinal sliding movement of the lower support platform. ### Claim 8 (depends on 1) The shaking device according to claim 1 further comprising an upper actuator for driving longitudinal sliding movement of the upper support platform. ### Claim 9 A shaking device comprising: a base; a lower support platform slidably mounted to the base; an upper support platform slidably mounted to the base; a stage moveably disposed above the upper support platform; and a pair of scissor arms connecting the stage to the upper support platform and the lower support platform, wherein the pair of scissor arms comprises: a first scissor arm rotatably connected to one of the upper support platform and the lower support platform, and rotatably connected to the stage; and a second scissor arm rotatably connected to the other of the upper support platform and the lower support platform, and rotatably connected to the first scissor arm at a position between the upper support platform and the stage. ### Claim 10 (depends on 9) The shaking device according to claim 9 wherein the shaking device comprises more than one pair of scissor arms. ### Claim 11 (depends on 10) The shaking device according to claim 10 wherein the shaking device comprises more than one laterally spaced pair of scissor arms rotatably connected to opposing sides of the stage. ### Claim 12 (depends on 9) The shaking device according to claim 9 wherein the base comprises a pair of laterally spaced guides for guiding longitudinal sliding movement of the lower support platform. ### Claim 13 (depends on 12) The shaking device according to claim 12 wherein the guides are in the form of guide rails. ### Claim 14 (depends on 9) The shaking device according to claim 9 wherein the base comprises a plurality of laterally spaced guides for guiding longitudinal sliding movement of the lower support platform and the upper support platform. ### Claim 15 (depends on 9) The shaking device according to claim 9 further comprising a lower actuator for driving longitudinal sliding movement of the lower support platform. ### Claim 16 (depends on 9) The shaking device according to claim 9 further comprising an upper actuator for driving longitudinal sliding movement of the upper support platform.