Normal Winding TRIZ Cases

An axially movable cover cap and elastic member unload key force from the snap spring, reducing friction, noise, and rotary key wear.

A separate valve head and pressure-control piston release excess helium while preserving watch-case sealing under radial forces.

Elastic clamping members replace high-torque twisting, enabling tool-free bezel changes on circular and irregular watchcases.

A ball-lock crown mechanism enables easy crown exchange while limiting play, securing the stem connection, and preventing accidental detachment.

Inclined annular crown surfaces and toroidal gaskets close pressure-driven gaps to keep a sealed watch case watertight at depth.

A multi-axis watch holder adjusts orientation and winding motion to keep automatic watches running while minimizing clock drift.

A separate ring member lets female threads be cut cleanly inside a watch crown, reducing tool wear on titanium while improving durability.

A merged crown-pusher lets one watch control operate multiple functions while simplifying construction, improving sealing, and preserving case aesthetics.

Elastic projections in a watch switch head absorb external shocks, protecting locked screw sections while preserving smooth sliding and rotation.

A strap-clamping holder uses opposing force, friction, and elastic deformation to secure watches of varying strap lengths during winding.

A dual-side pressing mechanism lets a timepiece switch release from either case surface, easing design constraints and improving versatility.

A side-mounted combination lock secures crown translation without using movement space, enabling compact retrofits on existing watches.

A rotating linking member lets watch controls be offset from the movement, enabling compact case layouts without case-specific redesign.

A spherical-cap support washer stops spring-end rubbing in a screw-down watch crown, reducing wear and contamination while preserving a watertight seal.

A hermetic lock support creates sliding sealing surfaces that keep an open watch case lock watertight without fast-wearing gaskets.

Angular indexing between the crown body and tube enables precise motif alignment while preserving screw-down sealing and water resistance.

A separate tube, indexing reliefs, and axial stop let a screw-down crown align its motif precisely while preserving sealing.

Controlled heat treatment and deformation refine titanium alloy grains, enabling polished timepiece surfaces with lower roughness.

A winding-stem gear and swingable switch lever improve layout freedom while preventing added thickness in the timepiece movement.

This case uses a rotating connecting member to offset watch controls, easing layout constraints while keeping the case compact.

This mechanical watch nests a protruding barrel in the case cutout, extending mainspring duration while preserving case dimensions.

A case-body cutout accommodates a protruding large-diameter barrel, enabling many mainspring turns without enlarging the watch case.

A watch coupling device transmits rotational motion through nested drive elements to operate horological functions directly via a user gripping element.

A watch control stem device uses a sliding pinion to switch between winding and time-setting functions.

A removable deckring made of shape memory alloy enables reversible deformation for easy assembly and disassembly of watch crowns.

A retractable bayonet push-piece drives a rack to wind the barrel independently of the stem.

A stroke-limited pull stud mechanism simplifies watch stem extraction by preventing component damage during disassembly.

Embedding a metal ring within the synthetic resin packing holding ring prevents dislodgement under high pressure while maintaining ease of manufacture.

A watch control rod uses a piston in a broached sleeve to adjust length automatically.

A timepiece coupling device uses a movable control element to switch between unidirectional torque transmission and freewheel operation.

A watch push-button locking mechanism uses a control member and blocking element to secure the button in its rest position.

A hardened protective insert on a watch movement plate reduces copper alloy wear while maintaining low manufacturing costs.

A watch case integrates an internal indexing device with elastic stops to align the winding crown stem precisely.

Membrane seals enable a single rotary button to detect multiple inputs while preventing water intrusion into the enclosure.

An intermediary tenon prevents direct spring-to-bottom contact, eliminating parasitic torque that damages watch movements during excessive winding.

A watch winding device uses a shape-matching coupling and seat to align the crown axis with the motor for secure rotation.

Segmenting the corrector into independent case and strap pushers eliminates clearance gaps that cause side movements and component deterioration.

Axially movable watch crown engages internal ring to actuate movement functions, eliminating tool-induced damage risks.

A stemless watch mechanism uses magnetic attraction to transmit motion without physical contact.

A watch crown cap secured by a spring to a control rod enables telescopic movement.

A pivoting actuation device selects and drives multiple clock functions through a single integrated mechanism.

Complementary indexing profiles on the crown tube and watch case housing enable precise angular orientation during screw-down sealing.

Flat friction surfaces between the cover and central barrel allow precise logo alignment during assembly while maintaining robust sealing integrity.

Protuberances on the cage engage cells in a washer to generate tactile clicks during rotation, preventing false vacuum impressions.

A control lever uses a dynamic spring as a guide rail to define actuation force thresholds.

An elastic interlocking module in a watch control device generates distinct tactile feedback, resolving insufficient user perception of position changes.

An external winding accessory transfers energy to a watch via magnetic coupling.

A coaxial multifunction corrector device integrates a rotating control button and pusher to select and activate timepiece functions.

A switch device incorporates a separation regulation section to maintain operation member engagement within the base member stem insertion hole.

A jewelry covering element acts as both control device and locking mechanism for animation energy storage.

Slick resin sheets on the hold-down member reduce frictional resistance against the back cover, preventing module rotation during attachment.