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AORTE Fitness Inc. AORTE FITNESS INC.ARCHITECTING KINETIC PATHWAYS
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RESEARCH + DEVELOPMENT

Architecting future kinetic pathways.

Patented bilateral mechanics, human-machine equilibrium and future-facing systems built around movement.

Enter the research environment ↓
Rear KRA mechanical suit interfaceRear view of a streamlined mechanical suit. A V-tapered back frame carries two vertical rails, lower coil springs, movable bearing carriages and a central sheave, with opposing KRA pathways continuing into both legs.
SHIFT-FORCE VISOR
LEFT MACHINE LOADSUPPORTED
RIGHT MACHINE LOADSUPPORTED
PASSIVE RESTORING CENTRENEUTRAL BIAS ACTIVESPRING + LINEAR BEARING + SHEAVE
THE EXOSUIT DEVELOPMENT VISION

LIFT THE ARMS. POWER THE MACHINE.

Today, AORTER is a passive exoskeleton. With the right licensing and development partners, its KRA core can support the powered exosuit, EVA and mecha systems that come next.

ROBOTIC SYSTEMSSTEERING MECHANISMSAR/VR + HAPTICSEVA + FLIGHT CONTROLEXO/MECHA SUITS
How the passive machine interface works
Robotic Systems + Steering

A continuous bilateral pathway can support counterbalancing, teleoperation, force-controlled manipulation and physical return toward a calibrated neutral point.

Optical + Mission Equipment

Sling and support shields, cameras, optical systems, sensors, carried tools and other mission equipment in front of the operator. The same assisted force that reduces holding demand can help reposition an attached mass toward a commanded working position while the operator retains control.

Industrial Repositioning

Apply the same pathway to power tools, long-handled tools, manipulators and material handling. Support the load during the hold, then assist the operator as it is steered, indexed or repositioned for the next task.

EVA + Flight Control

Support pressure-suit joint mobility, suited arm movement, tethered tools, steering consoles and flight interfaces where joint torque, range of motion, drift, mass and power shape mission capacity.

External research-priority referencesDARPA Opportunities ↗America's Seed Fund / SBIR ↗NASA Technology Taxonomy ↗

For configuration details, integration studies or supporting resources, contact AORTE.

THE MACHINE LEARNS. THE BODY ADAPTS.
BILATERAL COORDINATIONContinuous left-right measurement can reveal timing, asymmetry, compensation and return toward a calibrated centre across repeated tasks.
MUSCULOSKELETAL LOADTrack time under tension, tremor, joint demand and assisted movement while keeping muscles available to steer, manoeuvre and respond.
HUMAN-MACHINE INTELLIGENCEAggregate force, motion and response data can inform training, ergonomics, rehabilitation research and the control logic of future suits and machines.
SHIFT-FORCE SOFTWARE INTERFACE

MECHANICAL FORCE BECOMES MACHINE-READABLE CONTROL.

KRA force, motion and equilibrium data can become visual guidance, draw-to-ready timing, alignment feedback or steering input across human-worn and autonomous systems.

SHIFT-FORCE // HELMET HUD● LINK ACTIVE
LIFT ASSIST48% OUTPUTSAFE LIFT ZONEIN ZONEVIBRATION CONTROL72% DAMPEDCORD STATETAUT / BALANCED
LEFT FORCE
52%
285300315330345
ACQUIRING
RESPONSE TIME0.2 msLEFT FORCETRACKING
EQUILIBRIUM ZONE50 / 50STABILITYTRACKING
AUTONOMOUS PICKUP MATRIX
POWER + TELEMETRY LAYERMECHANICAL MOTION → ELECTRICAL OUTPUT
RIGHT FORCE
48%
BODY LOAD: SHIFTINGEQUILIBRIUM: TRACKINGACQUISITION: ALIGNING
Helmet VisorsKeep load, balance, vibration and system state inside the operator’s field of view.
Rapid PresentationMeasure draw-to-ready motion and support faster alignment of arms, shields, tools and carried systems.
Precision OpticsFeed scopes, periscopes, binoculars and cameras with force and directional correction.
Robotic + Flight HUDsConvert bilateral motion into readable steering and control telemetry.
Explore visor, optics, robotics + autonomous integration
Rapid Indexing to Ready

Within the continuous loop, a commanded motion on one side can assist upward presentation at the supported end. The development objective is faster, repeatable alignment of cameras, sensors, tools or other mission equipment with reduced arm demand.

Speed + Accuracy Data

SHIFT-FORCE can map bilateral force, direction, acceleration, indexing time, angular settling, tremor amplitude and return-to-ready consistency. Instead of assuming a 50/50 outcome, the system measures how closely each cycle approaches its calibrated equilibrium zone.

Mass Acceleration

For the same effective mass and opposing resistance, assisted force changes acceleration according to a=(Foperator+FKRA−Fresist)/meff. The incremental idealized contribution is Δa=FKRA/meff; real performance must include routing loss, compliance and operator biomechanics.

Human-Commanded Actuation

Future powered configurations could assist repositioning of arms, shields, optical systems, tools or carried equipment, including recovery-oriented support for an injured operator. Positive human command, mechanical limits, fail-safe release and verified interlocks remain essential development requirements.

The bilateral lift-assist mechanism is already embodied in AORTE’s passive commercial hardware and can be purchased for evaluation. Speed, accuracy, tremor and powered-actuation outcomes are separate instrumented test programs. View commercial configurations or contact AORTE.

RESEARCH + DEVELOPMENT

MOVEMENT BECOMES POWER + DATA.

The passive KRA core turns the job itself into a research pathway for bilateral motion, lift assistance, mechanical energy storage, controlled release, electrical generation and machine-readable telemetry.

Bilateral motionLift assistanceEnergy storageElectrical generationAR/VR + hapticsControl telemetry
LEFT MECHANICAL INPUT 52%MECHANICAL-TO-ELECTRICAL MATRIXRIGHT MECHANICAL INPUT 48%
KRA autonomous pickup matrixLeft and right endpoints connect through a continuous cord, fixed sheaves and movable sheaves travelling on spring-loaded linear bearings. Repeated motion feeds a configurable energy-generation and telemetry core. MECHAMECHA AUTONOMOUSPICKUPMATRIX
LEFT LINEAR BEARINGOSCILLATION 4.8 Hz
RIGHT LINEAR BEARINGOSCILLATION 5.2 Hz
SIMULATED CONVERSION INDEX
64%
SYSTEM: CONTINUOUS BILATERAL LOOPCONVERSION: CONFIGURABLEOUTPUT: POWER + MACHINE TELEMETRY
Motion HarvestingWalking, running, lifting and equipment movement can drive repeated bearing travel while the KRA continues managing the attached load.
Energy ConversionElectromagnetic, piezoelectric, triboelectric, magnetostrictive and mechanically rectified systems can convert motion, strain or changing flux.
Mission PowerExplore conditioned output for sensing, communications, navigation, monitoring, optics and distributed suit electronics.
Unseen Bilateral DataMap force, timing, asymmetry, tremor and coordinated left-right response as a synchronized human-machine record.
How one network changes the load
Arm-Tethered Force

The limbs remain the endpoints. The user moves the mass of the arms, wearable and any object held in the hands while configured KRA force assists, resists or transfers demand between sides.

Direct Load Suspension

Attach the tether to a tool, cargo point or carried system and the mechanism supports the object itself. Within its configured range, the load can remain suspended when the hands release it.

Balance Point

Residual demand is the attached load minus the effective KRA support at that position. Below balance, the user carries the difference. At balance, the supported load approaches neutral. Above balance, excess assistance creates upward bias.

Embedded Node Network

Future routing can place additional redirection nodes through limbs, suit structures, rucksacks, steering mechanisms or robotic joints without changing the continuous bilateral core.

Configured Load BalanceSupport changes the force the user must supply.
Fresidual(q)=Wattached−FKRA(q)
FKRA(q)=F0+keffΔx(q)−Floss(q)

If attached weight exceeds effective support, the user carries the positive difference. Approximate equality defines the support balance point. If support exceeds the attached weight, the mechanism produces upward bias rather than literal negative mass.

W-Pattern KinematicsCord travel becomes measurable bearing travel.
|Δd| = n|Δx|  ·  |ḋ| = n|ẋ|
Ftrack = Σ Tᵢ cos(αᵢ)  ·  Ftrack ≈ TΓ(x)

The travel ratio applies to an ideal single-input reeving case with the opposite end fixed. The force approximation additionally requires near-equal segment tension, with Γ(x)=Σcos(αᵢ(x)). Actual results include routing geometry, preload, friction, compliance and travel limits.

Mechanical Input + OutputMovement defines the power available for conversion.
Pmech(t) = Fgen(t)ẋ(t)
P̄e=(1/τ)∫0τv(t)i(t)dt

Mechanical power is force multiplied by bearing velocity. Electrical output must be measured across a defined load and duty cycle; harvesting introduces reaction force and cannot be treated as free assistance.

ENGINEERING BOUNDARY · Effective support changes with geometry, preload, displacement, cord behaviour, friction and travel limits. Balance, upward bias, energy output and suspended-load performance require configuration-specific measurement.

For load-balance studies, generation testing or supporting resources, contact AORTE.

COLLABORATIVE PATENT PATHWAYSOscillation becomes usable rotation. Usable rotation becomes conditioned power.

AORTE’s issued KRA architecture establishes a bilateral cord path, movable sheaves, linear-bearing travel, configurable resistance, sensing and a generator-coupling foundation. Complementary patents accessible through collaboration can extend that pathway with mechanical rectification, one-direction rotary output, flywheel smoothing, generation, conditioning and storage—without confusing a development pathway with measured performance.

KRA OSCILLATORY INPUT→MECHANICAL RECTIFICATION→ROTARY OUTPUT→GENERATION + STORAGE
ω̄out=(κ/τ)∫0τ|ẋ(t)|dt  ·  P̄e≤ηrectηgen(1/τ)∫0τ|Fgen(t)ẋ(t)|dt
PATHWAY TO VERIFIED POWEREvery stage earns its number.
01 · KINEMATICSMap the movement

Measure free-end travel, bearing travel, cord angle, repetition rate and hysteresis to identify the effective ratio.

02 · FORCE + ASSISTQuantify the trade

Record tension, track load, preload, parasitic resistance and lift assistance before and during harvesting.

03 · CONVERSIONClose the power chain

Measure rectifier efficiency, shaft speed, torque, generator voltage and current, conditioning loss and stored energy.

04 · MISSION VALIDATIONTest the environment

Define mass, duty cycle, thermal rise, durability, fault behavior and applicable dust, water, vacuum or suit-interface conditions.

DIRECT RESPONSE + PASSIVE CENTRING

FORCE BECOMES PRECISION.

The bilateral network responds as force changes. Cord and resistance selection determine whether the system prioritizes direct transmission, controlled return or damping.

LEFT VECTOR −02°SHIFT-FORCE TELEMETRY MATRIXRIGHT VECTOR +02°
ΔF04%LIVE INTERFERENCE
ALIGNING
L INPUT52.0R INPUT48.0Δ FORCE4.0YAW CORR.−2.0°DRIFT0.04MATRIX OUTPUTBALANCING
CONTROL OUTPUT
96%
INPUT: BILATERAL FORCERELAY: EQUILIBRIUM MATRIXOUTPUT: MOTION CONTROL
Rapid PresentationAssist draw-to-ready movement while mapping presentation and settling time.
Flight + EVAModel aircraft, propulsion and gravity-independent tether control.
Optics + Scope ControlSupport scopes, periscopes, binoculars and acquisition interfaces.
Robotic + Camera ControlLift, steer and damp machines and imaging systems through bilateral control.
How force becomes directional control
Robotic + Humanoid Steering

Measured bilateral force can become directional input for robotic joints, mobile bases, teleoperation systems and body-connected mechanical arms.

Flight + EVA Vectoring

A physical restoring centre can support tether control, precision tool positioning and research into flight or propulsion interfaces where drift consumes control authority.

Optics + Imaging Control

Lift assistance, bilateral steering and configurable damping can support scopes, periscopes, binoculars, stabilized cameras and precision acquisition equipment.

Rehabilitation + Simulation

Configurable resistance and motion telemetry can support gait analysis, asymmetric training, AR/VR simulation and supervised neurological or physical rehabilitation research.

Restoring-Centre ModelOpposing tension creates a calibrated mechanical return.
meffq̈+ceffq̇+keff(q−q0)=GT(q)ΔT+Fext

Here q is a calibrated signed control coordinate—not a universal claim about one physical sheave. This reduced-order model links differential tension to response about a defined neutral point; test data must identify effective mass, damping, stiffness and geometry.

Response + DampingChoose the pathway for the mission.
ωn=√(keff/meff)  ·  ζ=ceff/(2√(keffmeff))

A low-stretch cord provides stiffer, more direct mechanical transmission. Elastic or shock-cord variants store energy and can smooth a transient release, supporting vibration, recoil and tremor-management studies.

Configurable ResistancePrecision can be passive, commanded or hybrid.
SPRING · PISTON · ACTUATOR · DIAL-CLUTCH

Springs provide restoring bias; pneumatic or hydraulic cylinders can tune force and damping; actuators can command resistance or retraction; dial-clutch sheaves set mechanical tension. Self-adjusting spatial actuation remains a development pathway.

ENGINEERING BOUNDARY · Response depends on cord stiffness, viscoelasticity, routed geometry, preload, bearing friction, travel and the selected resistance device. Latency, attenuation and peak-force reduction are measured outcomes.

The passive framework supplies the physical centre. Software handles calibration, filtering, limits and application-specific control. For supporting resources, contact AORTE.

BILATERAL LINEAR TRANSFER NETWORK

ASSISTANCE BECOMES ACCELERATED ELEVATION.

One fluent mechanical whole. A small rotational command at the hand redirects assisted force through the continuous loop, helping the supported mass rise through range while SHIFT-FORCE measures the motion.

COMMAND: HAND-PIVOT ROTATIONCONTINUOUS LOOP · ASSISTED RANGE CONTROLOUTPUT: SUPPORTED END UP
Assisted elevation through a bilateral linear transfer networkA side-profile operator and back-mounted KRA route cord force toward a supported equipment profile that repeatedly elevates through a measured range. LOW READY → PUNCH OUTLEVEL AT SHOULDER ROTATIONAL COMMANDASSISTED ELEVATION ↑KRA LOOP STATE: TAUTSHIFT-FORCE HUD
NETWORKBILATERAL + LINEARINPUTHAND-PIVOT ROTATIONTRANSFERASSISTED FORCEOUTPUTELEVATION + DATA
HOLD

Support the attached mass in front of the operator before fatigue consumes response capacity.

MOVE

Redirect force through the continuous loop to assist elevation, lowering or repositioning across the usable range.

MEASURE

Capture force, angle, acceleration, time-to-ready, settling and tremor as one synchronized movement record.

How lift assistance becomes range control
Same Thesis, New Output

The mechanism does not change identity when the application changes. Bilateral lift assistance, mass repositioning, directional input and telemetry are consequences of the same continuous transfer network.

Advanced Dual-Tether Sling

On the current passive frame, the KRA can function as a load-supporting sling for shields, optical systems, cameras, sensors, industrial tools and other mission equipment. It can hold the mass in front of the operator, then assist a commanded rotational movement toward ready.

Future Embedded Pathway

Future suit integration can route the cord close to the shoulder, elbow, forearm and hand, keeping the pathway taut and controlled instead of hanging across the operator’s working space.

Industrial Range Control

Apply the same motion to power tools, long-handled tools, manipulators and material handling where rapid indexing and controlled repositioning affect throughput.

The commercial passive bilateral mechanism is available now for evaluation. Accelerated-elevation performance must be tested against an unassisted baseline using the same mass, range and operator conditions. View commercial configurations or contact AORTE.

SHIFT-FORCE EQUILIBRIUM CONTROL SYSTEM
CURRENT DEVELOPMENT STANDARD · LIVE BLUETOOTH FORCE, MOTION + EQUILIBRIUM MAPPING
CONCEPT INTERFACE | PARAMETRIC MODEL | DESKTOP BUILD
Presets
Force Control
System
DYNAMIC FORCE OUTPUT & EQUILIBRIUM
Left Force
Right Force
Equilibrium
Target
Left Force
Right Force
Note: Simulation demonstrates core mechanical principles. Real-world performance varies with implementation.
Force Vector Control
Drag in any direction to set force vector
Drag to control forces
0.00, 0.00
0%
6.25 N
6.25 N
Center (Balanced)
89%
95%
SYSTEM ACTIVE
CONCEPT BUILD
UPTIME: 02:18:45
EQUILIBRIUM: SIMULATED
RESEARCH TRANSITION PRIORITIES

FROM PASSIVE MECHANICS TO MEASURED CAPABILITY.

AORTE is seeking government research programs, major industrial organizations, academic laboratories, AI and robotics developers, spaceflight teams, commercialization partners and licensees capable of advancing the issued KRA foundation into validated human-systems, energy and machine-control capabilities.

Human Systems + Performance

Measure load carriage, upper-limb demand, time under tension, tremor, vibration, fatigue, response and bilateral coordination across operational tasks.

Energy Autonomy

Characterize motion harvesting, mechanical rectification, generator coupling, power conditioning and storage using measured duty cycles and conversion efficiency.

EVA + Robotic Integration

Study pressure-suit mobility, tethered-tool control, counterbalancing, teleoperation, neutral return and human-machine interfaces in constrained environments.

AI + Technology Transition

Use AI-assisted analysis to interpret bilateral force, motion, asymmetry, fatigue and equilibrium data, then advance from benchtop characterization through human-factors testing, integrated demonstrations and application-specific commercialization.

Positioning boundary. These areas align with recurring public priorities in human-machine teaming, reduced size-weight-power-cost, EVA performance, resilient energy and dual-use transition. They do not imply agency participation, selection or endorsement.

Bring us the integration problem. If your work involves government R&D, humanoid robotics, AI-assisted human-performance analysis, powered suits, autonomous systems, EVA mobility, wearable energy or advanced materials, AORTE is available for technical evaluation, licensing and collaborative development.

Discuss Research + EvaluationDiscuss Investment + Licensing
MECHANICAL FOUNDATION

PATENTED KINETIC RESISTANCE APPARATUS

ROBERT OMER CARRIERE JR. · FOUNDER AND INVENTOR

ISSUED PATENT CLAIMS

The mechanical foundation beneath SHIFT-FORCE, followed by the complete issued wording of Claims 1–19 from US 10,888,728 B2.

Technical & Market Position

The SHIFT-FORCE patent (US10888728B2) establishes a defensible position in human-machine interface technology through 19 approved claims covering mechanical architecture, control methods, and applications.

19
Approved Claims
2036
Expiration

Core Apparatus Configuration (Claims 1-5)

Claim 1: An apparatus configured to be mounted to the back of an individual or to a fixed structure, comprising: a series of sheaves, wherein one or more of the sheaves are tensioned adjustably; a single length of cord which tracks around the series of sheaves to provide an adjustable tension on the cord, the cord having free ends on each side of the apparatus; wherein the series of sheaves are tension adjusted for shifting force from a first end of the cord to a second end of the cord; and wherein the series of sheaves comprise one or more movable central sheave and one or more linear track bearing, wherein each of the one or more movable central sheave is anchored to and movable along one of the one or more linear track bearing as a result of pulling of the cord.

Technical Analysis:

Mathematical Formulation: Δx = (FL - FR) / keff

Where Δx is displacement from equilibrium, FL and FR are left/right forces, and keff is effective spring constant.

Implementation: The core mechanism enables real-time force balancing through movable sheaves on linear bearings, with position sensors (LVDT) monitoring displacement.

Claim 2: The apparatus of claim 1, wherein the series of sheaves comprises fixed left and right re-directional sheaves.

Technical Analysis:

Claim relationship: fixed left and right re-directional sheaves establish cord routing; their bearing friction and wrap geometry are configuration inputs, not a claimed capstan amplification.

Implementation: Fixed redirectional sheaves maintain cord alignment while minimizing friction losses through optimized bearing surfaces.

Claim 5: The apparatus of claim 1, comprising a plurality of adjustable linear track bearings and a plurality of movable central sheave, each movable central sheave anchored to and movable along one of the plurality of adjustable linear track bearings.

Technical Analysis:

Mathematical Formulation: keff = Σki (parallel springs)

Where keff is effective stiffness, ki are individual spring constants.

Implementation: Parallel track configuration enables force capacity scaling while maintaining precision through distributed load sharing.

Tension Control Mechanisms (Claims 3-4, 13-14)

Claim 3: The apparatus of claim 2, wherein each of the left and right re-directional sheaves has a tensioner to individually increase or decrease tension of the cord.

Technical Analysis:

Mathematical Formulation: Tadjusted = k(Δx + x0)

Where k is spring constant, Δx is displacement, x0 is preload.

Implementation: Individual tensioners enable asymmetric force profiles for rehabilitation applications, with MEMS load cells providing real-time feedback.

Claim 14: The apparatus of claim 12, comprising tensioners attached to each of the one or more central sheave to individually increase or decrease tension of the cord.

Technical Analysis:

Model relationship: resisting force must be characterized from the selected tensioner, bearing and cord configuration.

Nonlinear damping for impact absorption.

Implementation: Central sheave tensioners enable dynamic response tuning, with sealed cartridge systems for harsh environments.

Structural Configurations (Claims 6-9, 15)

Claim 6: The apparatus of claim 5, wherein the plurality of adjustable linear track bearings are arranged in parallel.

Technical Analysis:

Mathematical Formulation: Ftotal = ΣFi = keff · Δx

Total force as sum of individual track forces.

Implementation: Parallel rail system with alignment guides enables force distribution across multiple tracks while maintaining synchronization.

Claim 15: The apparatus of claim 12, wherein each linear track bearing comprises a sliding rail, and an anchored rail with a roller bearing, and wherein the resistance device comprises one or more coiled tension springs, a shock cord, a piston, or an actuator.

Technical Analysis:

Mathematical Formulation: F = Fspring + Fdamper + Finertial

Sum of resistance forces.

Implementation: Modular resistance cartridges with quick-change system enable rapid configuration for different applications.

Application-Specific Configurations (Claims 12, 16-19)

Claim 12: A lift-assist apparatus configured to be mounted to the back of an individual or to a fixed structure for shifting force, the apparatus comprising: fixed left and right re-directional sheaves; one or more movable central sheave; one or more linear track bearing, each having a resistance device; wherein each of the one or more central sheave is anchored to and movable along one of the one or more linear track bearing; a cord having free ends on each side of the apparatus; and one or more hinged shoulder attachment for directing the free ends of the cord in a desired orientation; wherein the cord circles around the re-directional and the one or more central sheaves such that each of the one or more linear track bearing provides a tension via the resistance device as the central sheave moves along the linear bearing as a result of pulling of the cord; wherein each of the resistance device is attached to a tension adjustment to vary the tension on the cord.

Technical Analysis:

Model relationship: force and displacement ratios follow the actual number and angle of cord segments acting on each movable sheave.

Implementation: Comprehensive sensor suite including IMU, load cells, and position sensors enables adaptive lifting assistance profiles.

Claim 19: The apparatus of claim 12, wherein the cord is not stretchable.

Technical Analysis:

Claim relationship: Claim 19 specifies a non-stretchable cord without assigning an elongation percentage. Material acceptance limits require a separate engineering specification.

Implementation: High-modulus synthetic cords ensure immediate force transfer without elasticity effects, critical for precision industrial applications.

Single Bilateral CordOne continuous pathway transfers force between connected sides.
Movable SheavesLinear-bearing motion turns displacement into controllable resistance.
Adjustable ResistanceTension can be configured around the task and connected system.
Hinged Directional SupportShoulder structures direct the cord toward limbs, tools or interfaces.
Claim 1

An apparatus configured to be mounted to the back of an individual or to a fixed structure, comprising: a series of sheaves, wherein one or more of the sheaves are tensioned adjustably; a single length of cord which tracks around the series of sheaves to provide an adjustable tension on the cord, the cord having free ends on each side of the apparatus; wherein the series of sheaves are tension adjusted for shifting force from a first end of the cord to a second end of the cord; and wherein the series of sheaves comprise one or more movable central sheave and one or more linear track bearing, wherein each of the one or more movable central sheave is anchored to and movable along one of the one or more linear track bearing as a result of pulling of the cord.

Claim 2

The apparatus of claim 1, wherein the series of sheaves comprises fixed left and right re-directional sheaves.

Claim 3

The apparatus of claim 2, wherein each of the left and right re-directional sheaves has a tensioner to individually increase or decrease tension of the cord.

Claim 4

The apparatus of claim 1, wherein each of the one or more movable central sheave has a tensioner to individually increase or decrease tension of the cord.

Claim 5

The apparatus of claim 1, comprising a plurality of adjustable linear track bearings and a plurality of movable central sheave, each movable central sheave anchored to and movable along one of the plurality of adjustable linear track bearings.

Claim 6

The apparatus of claim 5, wherein the plurality of adjustable linear track bearings are arranged in parallel.

Claim 7

The apparatus of claim 1 wherein the linear track bearing comprises coiled tension springs that expand or contract with motion of the linear track bearing, wherein the linear track bearing provides the tension via the springs as the movable central sheave moves along the linear bearing as a result of pulling of the cord.

Claim 8

The apparatus of claim 1, comprising one or more flexible tubes on either side of the apparatus for guiding the cord into the fixed left and right re-directional sheaves, the free ends of the cord protruding from the flexible tubes.

Claim 9

The apparatus of claim 1, comprising one or more hinged support structures rotationally mounted on the apparatus for directing the free ends of the cord in a desired orientation.

Claim 10

The apparatus of claim 1, comprising an anchor for anchoring a segment of the cord.

Claim 11

The apparatus of claim 1, wherein the cord is stretchable.

Claim 12

A lift-assist apparatus configured to be mounted to the back of an individual or to a fixed structure for shifting force, the apparatus comprising: fixed left and right re-directional sheaves; one or more movable central sheave; one or more linear track bearing, each having a resistance device; wherein each of the one or more central sheave is anchored to and movable along one of the one or more linear track bearing; a cord having free ends on each side of the apparatus; and one or more hinged shoulder attachment for directing the free ends of the cord in a desired orientation; wherein the cord circles around the re-directional and the one or more central sheaves such that each of the one or more linear track bearing provides a tension via the resistance device as the central sheave moves along the linear bearing as a result of pulling of the cord; wherein each of the resistance device is attached to a tension adjustment to vary the tension on the cord.

Claim 13

The apparatus of claim 12, comprising tensioners attached to each of the re-directional sheaves to individually increase or decrease tension of the cord.

Claim 14

The apparatus of claim 12, comprising tensioners attached to each of the one or more central sheave to individually increase or decrease tension of the cord.

Claim 15

The apparatus of claim 12, wherein each linear track bearing comprises a sliding rail, and an anchored rail with a roller bearing, and wherein the resistance device comprises one or more coiled tension springs, a shock cord, a piston, or an actuator.

Claim 16

The apparatus of claim 12, comprising two shoulder attachment rotationally mounted on the apparatus for directing a left and a right end of the cord.

Claim 17

The apparatus of claim 12, comprising a single shoulder attachment rotationally mounted on the apparatus for directing a first end of the cord.

Claim 18

The apparatus of claim 17, comprising an anchor attached to a second end of the cord.

Claim 19

The apparatus of claim 12, wherein the cord is not stretchable.

PRIMARY EVIDENCE
Patent figure showing the apparatus
Issued patent architecture: apparatus and wearer relationship.
Patent figures showing cord and sheave routing
Routing geometry and component relationships.
Patent figure showing internal mechanism
Internal sheave, bearing and resistance-device arrangement.
AORTE FITNESS INC.

TECHNICAL INQUIRIES.

For SHIFT-FORCE, KRA, helmet integration, Defence, EVA, research or licensing enquiries, please contact AORTE.

@EMAIL AORTE FITNESSexo@aortefitness.com☎CALL AORTE FITNESS+1 519 381 3099