Friction Gearings TRIZ Cases

Curved toroidal disc contact surfaces keep roller contact points stable under bending, improving ratio and torque accuracy without larger discs.

An external hinge axis lets planet forks avoid interference while preserving drill-free rolling and a wider torque-speed ratio range.

A higher-curvature disc contact region prevents power roller contact shift under bending, preserving toroidal CVT ratio accuracy without larger discs.

Spiral cam discs replace circular profiles in a CVT to enable stepless ratio changes with non-slip power transfer and lower friction losses.

Axial bolt arrangement secures support columns in a toroidal continuously variable transmission to maintain structural integrity.

A low-profile rack and pinion gear drive system integrates stabilizer bearings directly into the rack structure to react separation forces.

A gear scheme for an infinitely variable transmission integrates a variator and planetary gearsets to provide multiple operating modes.

A modular linear actuator support module uses movable pulley blocks and a protective cover to carry the screw rod.

An intermediate gear element transfers motion between a toothed rack and a gear element, allowing the rack to remain housed within compact boundaries.

A coaxial drive apparatus uses a hollow spindle shaft to transmit rotation while the housing translates axially.

A cylindrical metal shaft container assembly with flexible rubber covers transmits rotational energy between distinct fluid compartments.

A toroidal continuously variable transmission transmits rotational force via friction between a carrier and disc.

Tilting shafts creates pockets that hold ball bearings, eliminating gear play to improve positioning accuracy.

Planetary variators with tractrix curves adjust ratios continuously, maintaining optimal engine speed and torque while eliminating energy loss during reversing.

Guide protrusions constrain holding device inclination to suppress centrifugal thrust and maintain power transmission efficiency at ultrahigh speeds.

Tapered bearings in planetary rollers eliminate gaps through push-in member compression, ensuring uniform rotation.

A convertible locking hook employs a Hall sensor to detect the driving wheel position, eliminating unnecessary stops during top displacement.

A differential drive assembly uses a conical rotor and rope circuit to enable efficient linear motion.

A deceleration mechanism employs transmission members wound around driving and driven wheels to achieve speed reduction without complex gear structures.

Eccentric pivot centers and bridging parts stabilize intermediate rollers in friction reduction gears.

Thrust bearings allow axial roller movement to maintain disc contact despite elastic deformation, reducing structural complexity.

Offset eccentricity creates a convergent wedge gap between raceways, reducing contact stress and extending service life beyond conventional 8:1 limits.

A mechanically operational arrangement for continuously variable transmission uses a central shaft with toothed groove sections and connecting plates.

Lever-connected actuators relocate hydraulic assemblies radially outward, eliminating lateral projections that increase variator volume.

A thrust rolling bearing with a concave outer race and cylindrical convex support beam enables pivotal power roller displacement.

A rotary drive transmission uses a differential assembly mounted on a main drive shaft to control output rotation via adjustable inputs.

A spindle differential distributes torque to independent support tubes for simultaneous roll rotation.

Eccentric pendulum mechanism drives simple harmonic motion to prevent plastic material adhesion and collision with molds during feeder operation.

A linear motion mechanism uses a belt drive to move a sliding plate and moving stage along guide rails.

A non-circular gear transmission system translates rotational input into linear motion and back to deliver steady output speed.

A linear movement device uses a single-piece closed tube carriage base body to increase structural rigidity.

A planetary friction gear transmission uses a cam mechanism to convert radial displacement into axial pressing force for the tapered roller.

Hollow compressible planetary wheels enable high torque transmission by absorbing contact stress variations without requiring tight manufacturing tolerances.

A traction transmission capacity control device establishes a precise reference point using revolution torque and speed detection means.

Pivotal rollers orbit around a rotational axis to adjust contact loci diameters, eliminating hydraulic control systems and reducing device complexity.

Actuation mechanism tilts rearview mirror substrate to eliminate image competition from reflective surfaces.

An advance preventing claw portion sandwiches a drawing-in claw to control the position of a towed hook, ensuring smooth meshing of rack and pinion gears.

Segmented carriers mount variator rollers along distinct axes, resolving housing fabrication complexity and reducing installation width.

A shifter assembly adjusts traction roller axes within a continuously variable transmission to enable precise mechanical power transfer.

A predetermined gap between the thrust bearing and fitting hole aligns variator shaft axes during rotation.

Segmented planet assemblies with wedge loading resolve slip in three-shaft drives, enabling reliable high-speed torque transmission.

A geared infinitely variable transmission adjusts crank length using rack and pinion mechanisms to change the output speed ratio continuously.

Conical pulleys with a sliding gear adjust contact diameter to eliminate shifting jerks while enabling large speed ratio variations.

A toroidal variator positions rollers so contact points lie in a plane perpendicular to radial force, balancing normal loads across the discs.

Independent front and rear boards slide in the vehicle cargo area to resolve loading inconvenience caused by fixed panel structures.