Building Locks TRIZ Cases

Integrated control element and trigger module reduces assembly complexity while maintaining reliable blocking position in double-leaf door locks.

Magnetic actuation moves the espagnolette fitting stop into position, eliminating rigid counter bearing interference in floor doors.

An adapter sleeve transmits torsional forces through longitudinal members with varying material strength.

Repositioning the pivotal supporting portion reduces volume while maintaining locking force and rigidity.

A maintenance window locking device uses a roller and groove mechanism to secure the cover.

Segmented actuators enable bidirectional gate opening while preserving structural integrity through intermediary mounting.

Segmented locking mechanism uses universal indicator plates to customize door states without increasing manufacturing costs.

A lock mechanism uses a forked actuator with a V-shaped groove and rotatable switch to align drive pins for smooth engagement.

A rigid polymer thermal break connects and supports window frame portions to limit heat conduction.

Front-mounted axis of rotation reduces rebate groove space requirements while maintaining 180-degree adjustability.

An adjustable rotary latch resolves the trade-off between secure closure and ease of operation by using a segmented plunger mechanism.

An auxiliary lock cover uses an inclined frame portion to guide positional shifting of the holding member during assembly.

A double-opening window system uses angle-turning devices to convert vertical handle motion into horizontal sash displacement.

A sliding door locking device merges with the limiting mechanism to form a compact structural unit.

Segmented axial bores in the lock pin join the handle to the follower, preventing over-tightening damage to the anti-panic lock mechanism.

Segmented plastic restraint prevents door swinging and separation, eliminating manual labor and material waste from wood runners.

A gate latch uses dual handles and a nested strike to secure the door from either side.

A hook latch secures chains using a gravity-driven annular member, eliminating the need for two hands to manipulate the gate.

A rotating cam drives a hook to secure an electronic device, resolving the trade-off between reliable fixation and user release effort.

A camera system captures real-time images of aircraft door lock levers and counterparts to verify engagement status.

Segmented fixing elements distribute pivoting forces across the mounting surface, preventing screw loosening in non-metallic frames.

A lock box features a removable safeguard mechanism that enables secure wall mounting or mobile transport.

Segmented support members and telescoping jam arms provide secure protection for various window sizes without damaging the frame.

A two-point lock uses adjustable guide plates to independently set hook extension within a single casing unit.

Sound dampening materials at mechanical touch points reduce panic device noise by 20-99 percent, addressing hospital disturbance.

Segmented locking devices and adjustable bars adapt to varying gang sizes while maintaining simple device complexity.

Helical rotation adjusts the rod guide position to accommodate varying gasket thicknesses and flange geometries, ensuring consistent compression.

A plastic locking bar base profile reinforced by a metal rail connected via a connecting pin resists tensile forces through a wedging effect.

Interchangeable stop pads adjust cam position to resolve manufacturing tolerance issues and reduce enclosure noise.

A weighted locking mechanism with impact detection paddles secures waste container lids against accidental tipping.

A strike plate features a two-part body design that enables diagonal screw insertion and lateral sliding adjustment.

A spring detent mechanism secures an actuation gearbox input shaft in a locked position, preventing unintentional lever tilting caused by gas pressure springs.

Spring-loaded splines retain the cam in adjusted positions, eliminating the need for specific tooling during contact pressure setup.

A U-shaped strike plate head slides over a base support to absorb locking forces through its first leg while the second leg reinforces structural rigidity.

A melting keeper displaces a security link to block the latchbolt assembly, preventing unintentional door opening during fires.

An interior-mounted latch bar and stiff wire connector enable covert one-handed operation while preventing inward gate opening.

A self-adjusting catch plate compensates for structural shifts by moving orthogonally to maintain alignment without manual realignment.

A spring-biased bearing member pushes the output shaft to eliminate rattling and hitting sounds caused by dimensional dispersion.

Lockable obstruction device prevents unauthorized bar movement to secure burial casket contents against theft.

A panic exit door lock features a pivotal indicator member that aligns with an inner cylinder seat window to display the current locking status.

A detachable drawer unit cover exposes the internal motor drive source without removing the entire carriage assembly.

A spring biased closing mechanism connects to a sliding door track and connection arm to automatically close wire mesh enclosure doors.

Sliding rails engage dresser tracks to resolve the contradiction between easy access and structural complexity.

A cremone bolt locking device uses a rack and pinion mechanism to drive sliding supports.

A pin latch assembly secures a casket lid using a movable inner member and biasing element.

Rotatable contact element in sliding door sash prevents unauthorized lifting by securing the frame against vertical displacement.

A movable ramp adjusts locking pin positions to resolve fixed opening width limits while maintaining high burglary resistance.