Building Braking Devices TRIZ Cases

A mechanical translator applies bias force and decelerates sliding closure travel.

Coaxial extension spring cancels torsion spring torque on spiral rod, reducing frictional resistance in heavy window sashes.

A damping device extends the stroke via a protruding coupling piece, eliminating the need for a large housing enclosure.

A torque-switched clutch links a detection lever to a selector shaft, absorbing switching forces via a plate spring to prevent loosening during operation.

Independent activation modules use a learning cycle and timeout mechanisms to coordinate leaf movement without collisions.

A door deceleration mechanism uses a flexible damping arm to slow closure speed in built-in refrigerators.

A reversible slider limits window sash opening width by engaging a stopper with either a baffle surface or locking element.

A hinge gear mechanism converts pivoting motion into translational movement, eliminating oblique forces on the piston rod that cause jamming and wear.

A vehicle flap drive device uses a displaceable coupling element to expand clearance between the actuator and the flap.

Segmentation separates the holding wedge from the adjustment handle, enabling bidirectional access without compromising door position security.

A length-adjustable damping element acts on a pivot arm to reduce operating forces during window sash movement.

Hydraulic hinge assembly controls glass door velocity using piston pressure and spring return mechanisms.

Cam track grooves guide the follower to control closure speed, reducing noise and damage.

A motorized retrofit module couples with a hydraulic door closer pinion to enable powered opening.

A channel-shaped spreader distributes load across a hinge spring finger, reducing frictional wear at discrete engagement points.

Segmenting the buffer member into fitting and elastic portions resolves assembly complexity while maintaining retention reliability.

Ultrasonic welding fuses plastic housing components, eliminating steel fasteners and reducing device weight while maintaining structural integrity.

A hinge assembly uses a movable adjustment member to toggle the damping function on or off via piston rod contact.

A power boost module harvests rotational energy from a door closer pinion to supply closing assistance.

A counterweight biases a heavy pet door open while a magnetometer detects an authorized collar.

A tilt-and-slide sash fitting uses a linear damper to unlock the locking mechanism during closure.

A door closer cam profile adjusts radial distance to maintain constant torque output, reducing mechanical losses and wear.

A hydraulic hinge check structure uses a paddle and fluid chamber to generate resistance against pivoting movement.

Tangential control channels evacuate trapped air from the pressure chamber to prevent failure angle increases caused by gas pockets.

A hydraulic hinge device integrates a thrust spring and fluid circuit within a compact closing cap to enable controlled door movement.

A segmented door stopper uses a rotating joint to connect separate elements, enabling flexible placement on doors or floors.

An external damper housing eliminates dust accumulation gaps by integrating a spring seat, reducing assembly complexity.

Curved guide tracks redirect force via cables to balance weight, preventing damage during transition.

Internal springs compress during opening and expand to close heavy gates, while air pressure modulates speed without adding mechanical complexity.

A spring counterweight stores energy during closing to reduce vertical opening force on the flap.

An adjustable screw rod changes linkage length to fit various door sizes without increasing structural complexity.

A valve mechanism with an adjustment screw and control knob provides visual, audible, or tactile feedback to indicate position.

A door stop uses a friction-based elongate member to hold doors in fixed positions without wall contact.

A vehicle trunk hinge assembly integrates a torsion bar and cushion mechanism to assist lid movement.

Threaded rotation adjusts the stopper position while expansion hooks secure the base part, preventing unwanted rotation during installation.

A hinge uses a spring-prestressed actuating element with two activation areas to brake door movements in both directions.

Segmented magnets and a quick disconnect spring reduce opening force while protecting hinges from damage.

A door drive integrates a freewheel mechanism to decouple manual opening from the piston element, enabling effortless operation.

A capacitive proximity sensor detects objects along vehicle door closing surfaces to trigger a mechanical stopper bar.

A back door structure uses a four-bar linkage and supporting member to bias the door open.

An electromagnetic tailgate hinge regulates pivot speed via magnetorheological fluid, eliminating torsion bars and reducing assembly weight.

Integrating a spring-loaded closer into the upper header eliminates external mounting, resolving aesthetic conflicts while maintaining reliable closure.

A window drive housing integrates a built-in circuit board receptacle to separate control and operating functionalities.

A motor vehicle flap joint device uses a helical spring unit to tension the pivoting mechanism along torsional and translational axes.

A self-returning floor hinge replaces metal guide plates with a polymeric guide plate and bushings to reduce friction and wear on the guide shaft.

A multi-link hinge uses a linear damper to control closing speed near the closed position, preventing uncontrolled slamming while maintaining smooth opening.

An inverted door closer linkage aligns shaft and pivot axes to resolve the trade-off between reliable self-closing torque and unrestricted manual opening.

A bypass feeder uses a flexible member linkage to hold the tray horizontally during opening.

A spring adjustment mechanism uses a locking screw and adjusting nut to compress the drive unit spring.

Segmented tailgate doors with independent motor control minimize passenger compartment exposure to external elements during luggage loading.