Burglar Prevention Locking TRIZ Cases
- Mailbox Locking Mechanism With Anti-Pry Cam and Striker
An anti-pry plate, cam cutout, and striker pin raise the force needed to bend open a locked mailbox door and reach the contents.
- Conical Hitch Pin Lock Guard Against Torque-Based Theft
A tapered lock guard blocks pipe grip on the hitch pin, preventing torque attacks that can break the pin and steal the ball mount.
- Vehicle Puck Lock Tamper Detection Using Embedded Wire Inserts
Embedded wire conductors in plastic lock-bracket inserts trigger a vehicle alarm when a puck lock is pried, cut, or removed.
- Vehicle Accessory Rail Mount With Locking Fixtures Against Theft
A dual-fixture rail mount uses spring-biased locking features to secure vehicle accessories against unintended release and theft.
- Wheel Hub Locking Insert Structure for Universal Anti-Theft Fit
A rotatable insert and center-bolt lock secure wheel hubs across vehicle models while blocking access to lug nuts and resisting forced removal.
- Camper Shell Lock Assembly With Exterior Handle Shielding
A rigid box shields the exterior camper shell lock handle, blocking outside rotation while preserving normal door operation from inside.
- Controller-Mediated Component Authentication for Scalable Secure Control
Centralized controller authentication secures component commands while cutting per-component security cost and improving scalability.
- Vehicle Accessory Mounting Fixture With Hinged Anti-Release Locking
Hinged lock members and a resilient closing force secure vehicle accessories against unintended release, theft, and fit limitations.
- Vehicle Accessory Mounting Fixture With Anti-Release Locking
Hinged lock members and a resilient closing force secure vehicle accessories against unintended release and theft while fitting varied mounts.
- Vehicle Door Unlocking With Server-Issued One-Time Mobile Keys
A server-issued one-time mobile key unlocks vehicle doors without onboard receivers, cutting hardware cost and blocking code reuse.
- Vehicle Accessory Rail Mounting With Locking Anti-Theft Fixture
A slidable rail connector and spring-biased locking fixture secure vehicle accessories while preventing unintended release and theft.
- Finned Trailer Hitch Lock Structure Against Angle Grinder Attacks
Soft radial fins clog grinder discs while seals and an anti-drill ring help a trailer hitch lock resist theft and rust.
- Finned Trailer Hitch Lock Shell Against Angle Grinder Attacks
Soft outer fins and a hardened core help a trailer hitch lock resist grinder and drill attacks while sealed parts prevent rust.
- Vehicle Door Lock Linkage for Independent Inner Opening Stroke
A cooperating rocker arm separates inner and outer opening strokes in a vehicle door lock, preventing interference and outer handle jump.
- Vehicle Door Lock Dry-Chamber Manual Release Mechanism
A mechanical connection into the dry chamber keeps a vehicle door lock manually operable when moisture, dirt, or electrical failure blocks release.
- Vehicle-Door Key Cylinder Return with Dual Biasing Springs
Curved or extended door-lock cables raise resistance; dual springs support reliable return of the key cylinder and pulling member.
- Vehicle-Door Key Cylinder Winding Portion for Compact Unlocking
The winding portion wraps the pulling member to deliver unlock stroke without lengthening the transmission lever.
- Vehicle Door Key Cylinder Winding Mechanism for Compact Unlocking
A winding portion converts key-cylinder rotation into pulling-member stroke, preserving unlocking travel without lengthening the vehicle-door mechanism.
- Vehicle Door Key Cylinder with Dual Biasing for Reliable Return
A first biasing member in the key cylinder and a second in the linkage help overcome cable resistance and return the cylinder.
- Flush Slider Lock With Recessed Translation Stop for Easy Assembly
A sole plate recess and segmented translation stop simplify slider assembly while preserving precise locking.