Arm Rests TRIZ Cases

See how a dual-frame armrest uses local thickness reinforcement near the shaft to reduce weight

See how grooved rollers and a single adjustment screw reduce armrest misalignment and enable 3-

See how merging tilting and height adjustment into a single backrest mechanism reduces headrest

See how an EPP foam carrier part merges seat frame, backrest, and cushioning into one molded sh

See how a ratchet-and-pawl mechanism with directional spring biasing enables one-way free rotat

See how a segmented control link assembly with universal joints enables user-controlled seat re

See how a folding armrest divider expands shared armrest width and adds charging capability whi

See how a hinge and linkage mechanism allows the operator seat arm to pivot opposite the seat r

See how optical sensors detect driver elbow and hand positions to automatically adjust centre c

See how an elastic element maintains contact between guide surfaces in an adjustable armrest, p

See how integrated bearing and friction means near profile edges reduce part count, simplify as

See how a rod guide with detents and a locking rod enable vertical and lateral armrest adjustme

A deployable armrest-mounted support relieves shoulder, chest, and spine strain when drivers turn sideways or rearward in commercial vehicles.

Spring-loaded retainers and a conical groove let an armrest rotate quietly while reducing shake and providing stable support.

Dual adjustable armrest joints improve posture fit, fold-up access, and seat stability for construction machine drivers.

A pyro-activated pretensioner retracts the vehicle armrest during side impacts to clear the airbag path and reduce occupant contact.

Sliding and pivoting tray tables nested in a rotatable vehicular armrest provide nearby workspace while preserving a flush stowed surface.

A spring-biased latch and slider mechanism locks a vehicle armrest against unintended movement while allowing easy release between use and storage positions.

Parallel support bands and staggered stubs let a vehicle armrest collapse laterally in side impacts while preserving vertical support and cushioning.

A recess-and-projection rail interlock absorbs static and dynamic loads, improving vehicle rail stability without major weight increase.

A one-piece armrest column with an integrated lever simplifies height adjustment, cutting parts, assembly effort, and manufacturing cost.

A translating base and erectable well wall let an armrest cup holder stow compactly yet deploy within reach for rotatable vehicle seats.

A pivoting, sliding seat armrest supports both passenger arms and personal devices, adding hands-free use and onboard power.

An inclined button guide directly pushes the gas spring rod to cut armrest button stroke and effort while reducing abnormal noise.

Multiple thermoelectric holders, fins, and a blower improve cup holder heat exchange while enabling independent cooling and heating modes.

A hinged portable armrest divider widens and sanitizes narrow shared armrests while adding charging in a compact fold-flat form.

A pinion-driven latch and spring mechanism secures a vehicle armrest in storage while keeping release easy for bench-seat use.

A displaceable spring-latched holder lets a vehicle table store vertically yet lock firmly in use, saving space without losing stability.

A cam-assisted brake lets a chair arm pad slide in two horizontal directions and lock at any position with low button force.

A rotating belt tensioning mechanism removes slack from lap and shoulder belts, making child seat installation easier and more secure.

A single operating element releases and locks both armrest pivoting and displacement, reducing mechanism complexity and user confusion.

A nested locking and actuating mechanism enables flat armrest longitudinal and lateral adjustment with fewer parts and no protruding controls.

A spring-biased brake mechanism lets a vehicle armrest lock at any point along its linear travel, improving comfort without discrete stops.

A shared attachment bracket and slide rails keep the seat and work equipment console aligned, improving lever operability without seat-frame shakiness.

Switchable top and bottom armrest heaters keep arms and shoulders warm in different armrest positions while avoiding unnecessary power use.

A rack-and-lever armrest mechanism separates horizontal and height adjustment to improve precision, durability, and engagement stability.

A nested transfer and actuating element enables compact longitudinal and transverse armrest adjustment without bulky, costly mechanisms.

A nested bar, spring, and press-element mechanism simplifies handrest assembly while enabling precise, easy height locking.

A cam ring, gear, and ratchet cut moving parts in adjustable armrests while improving load capacity, torsion support, and service life.

A spring-and-damper sliding armrest returns to a home position while locking at set positions and preserving storage access.

A wedge plate, guide member, and memory bar let a seat armrest keep its last use angle after stowing, avoiding manual readjustment.