Horological Winding Mechanisms TRIZ Cases

Point-contact pawls and asymmetric inner toothing improve torque transfer while reducing friction, wear, and tolerance sensitivity in clutch wheels.

A rigid pawl with a C-shaped elastic blade and asymmetrical inner teeth stabilizes torque transfer while reducing tolerance sensitivity, friction, and wear.

A profiled actuator and decoupling element convert clamp rotation into linear flange motion, improving chronograph stability in less space.

A rear power reserve indicator flips character orientation so reserve status stays easy to read while winding the crown on a mechanical watch.

Elastic arms connect a drive element to a partial-toothed display rim, preventing blocking and wear while maintaining reliable power reserve indication.

A delay hook engages a ratchet to limit secondary ringing duration, preventing interference between primary and secondary sound emissions.

A can cover integrates a rotating pointer and scale lines to indicate the opening date directly on its surface.

A friction clutch device couples chronograph wheels via elastic moving parts that pivot radially to engage and disengage the drive.

A sliding pinion with saw-like toothing engages a crown wheel to form a unidirectional coupling for watch winding mechanisms.

A coupling device uses a locking element and intermediate arm to hold the coupling wheel in position during mechanical shocks.

A power reserve cam varies animation rhythm according to available energy, preventing halted movements when torque drops.

A unidirectional wheel clockwork mechanism uses elastic return means to exert frictional force on coaxial wheels.

A selective stopping mechanism uses a blocking rocker to manage timepiece power reserve based on motor torque availability.

A threaded cam moves axially along a shaft to drive an indicator lever, providing clear winding threshold information without adding device complexity.

Flexible blades change clutch disc diameter to engage rigid elements, reducing component count and energy loss in compact timepieces.

A moving mechanism for a timepiece decorative element combines rotation and translation along an arbor using integrated gear trains.

Elastic pawls nested in C-shaped grooves engage wolf-tooth toothing to achieve 1000 g.mm torque transmission under 0.5 mm height.

Superimposed polarized transparent disks modulate light transmission through variable angular orientation linked to a mechanical counting mechanism.

A spring device uses a torque return unit to wind the mainspring via an inside-end wheel and outside-end wheel.

A control wheel with an arc-shaped opening drives a lever to block the watch movement when power reserve reaches zero.

A chronograph zeroing device uses a dual-unit linkage to reset hands with one push.

Kinematic linking via a dedicated drive member eliminates dead time between striking sequences while reducing mechanism complexity.

A power supply unit switches between direct battery voltage and step-down voltage to optimize energy distribution across separate circuits.

A leaf spring deforms under torque to display the watch barrel's power reserve on a graduated scale.

Cam mode selector reduces watch striking mechanism complexity and cost while enabling secure melody selection.

Heat treatment of Ni-Fe alloy electroforms reduces stress relaxation rates while maintaining fine grain structures for reliable timepiece springs.

A lifting lever neutralizes alarm activation when the mainspring winding falls below a threshold.

Stepwise disc display resolves precision complexity trade-offs in watch power reserve indicators.

A vertical clutch device replaces grease and strong springs with a viscoelastic friction member, eliminating lubricant breakdown and spring deformation.