# US 2019/0168052 A1 · Exercise machine with a force transducer > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0168052 A1 - Document ID: US20190168052A1 - Status: Published application - Kind: A1 - Application number: 15/829,183 - Filed: 2017-12-01 - Published: 2019-06-06 - Earliest claimed: 2017-12-01 - Assignees: Arx Fit, Inc. - Applicants: ARX Fit, LLC - Inventors: Mark ALEXANDER; Jay BEAUDRY - Web page: https://patentgrep.com/patent/US20190168052A1 ## CPC - A63B 21/0058: {using motors} - A63B 21/153: {wound-up and unwound during exercise, e.g. from a reel} - A63B 21/22: Resisting devices with rotary bodies {(A63B21/0608 takes precedence)} - A63B 21/4034: {for operation by feet} - A63B 21/4043: {Free movement, i.e. the only restriction coming from the resistance (A63B21/00043, A63B21/072 take precedence)} - A63B 23/0417: {with guided foot supports moving parallel to the body-symmetrical-plane by translation} - A63B 24/0062: {Monitoring athletic performances, e.g. for determining the work of a user on an exercise apparatus, the completed jogging or cycling distance} - A63B 24/0075: {Means for generating exercise programmes or schemes, e.g. computerized virtual trainer, e.g. using expert databases} - A63B 24/0087: {Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load} - A63B 71/0622: {Visual, audio or audio-visual systems for entertaining, instructing or motivating the user} - A63B 21/4035: {for operation by hand} - A63B 2024/0093: {the load of the exercise apparatus being controlled by performance parameters, e.g. distance or speed} - A63B 2220/51: Force - A63B 2220/54: Torque - A63B 2225/50: Wireless data transmission, e.g. by radio transmitters or telemetry - A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H) ## Abstract Systems, methods, and devices for measuring force applied to a machine, where an exercise machine comprises a frame; a motor assembly; a mounting plate, wherein the mounting plate is attached to the motor assembly; a force transducer. The force transducer is attached to the mounting plate and the frame and is the only point of contact between the frame and the motor assembly. The force transducer is configured to measure force applied to the motor assembly. ## Claims ### Claim 1 An exercise machine comprising: a frame; a motor assembly; a mounting plate, wherein the mounting plate is attached to the motor assembly; and a force transducer, wherein the force transducer is attached to the mounting plate and the frame, wherein the force transducer is the only point of contact between the frame and the motor assembly, and wherein the force transducer is configured to measure torque applied to the motor assembly. ### Claim 2 (depends on 1) The exercise machine of claim 1, further comprising a transceiver configured to transmit measured force information. ### Claim 3 (depends on 2) The exercise machine of claim 2, wherein the motor assembly comprises a gearbox and a motor. ### Claim 4 (depends on 3) The exercise machine of claim 3, wherein the motor assembly is programmed to provide mechanical resistance. ### Claim 5 (depends on 4) The exercise machine of claim 4, wherein the force transducer is an s-curve force transducer. ### Claim 6 (depends on 5) The exercise machine of claim 5, further comprising a display configured to display the measured force information. ### Claim 7 (depends on 6) The exercise machine of claim 6, further comprising a rotating flange, wherein the rotating flange is coupled to the motor assembly. ### Claim 8 (depends on 7) The exercise machine of claim 7, wherein the transceiver is configured to transmit measured force information to cloud storage. ### Claim 9 (depends on 8) The exercise machine of claim 8, wherein the motor assembly comprises a transceiver configured to receive instructions on an amount of mechanical resistance to provide. ### Claim 10 An exercise method comprising: applying force to a motor assembly, wherein a force transducer is the only point of contact between a frame of an exercise machine and the motor assembly; and measuring the force applied to the motor assembly with the force transducer. ### Claim 11 (depends on 10) The exercise method of claim 10, further comprising transmitting measured force information with a transceiver that is attached to the force transducer. ### Claim 12 (depends on 11) The exercise method of claim 11, further comprising displaying measured force information on a display. ### Claim 13 (depends on 12) The exercise method of claim 12, further comprising measuring torque applied to the motor assembly with the force transducer. ### Claim 14 (depends on 13) The exercise method of claim 13, further comprising transmitting measured force information to cloud storage. ### Claim 15 (depends on 14) The exercise method of claim 14, further comprising receiving instructions, with the motor assembly, regarding an amount of mechanical resistance to provide with the motor assembly. ### Claim 16 A system comprising: a motor; a gearbox, wherein the gearbox is coupled to the motor; a rotating flange coupled to the gearbox; a mounting plate coupled to the gearbox, the motor, or both the gearbox and the motor; and a force transducer coupled to the mounting plate and a frame of a machine, wherein the only point of contact between the frame and the motor, the gearbox, or both the gearbox and the motor, is the force transducer, and wherein the force transducer is configured to measure torque applied to the motor, the gearbox, or both the gearbox and the motor. ### Claim 17 (depends on 16) The system of claim 16, further comprising a transceiver configured to transmit measured force information. ### Claim 18 (depends on 16) The system of claim 16, further comprising a transceiver configured to receive instructions on an amount of mechanical resistance to provide with the motor, the gearbox, or both the gearbox and the motor. ### Claim 19 (depends on 16) The system of claim 16, wherein the force transducer is an s-curve force transducer.