Buffer TRIZ Cases

Breakable deformation zones let a rail coupler cover protect against dirt and impact while opening under collision loads for proper force absorption.

Frangible threshold mountings break and slide during low-speed rail collisions to absorb impact energy and prevent walkway deformation.

An external sleeve housing with shock-absorbing inserts and cutting knives saves vehicle space while easing service and dissipating collision energy.

A sleeve housing with sliding shock inserts and a breakaway mounting ring absorbs coupling loads while saving space and easing service access.

An elastomer spring assembly with rigid plates absorbs railcar buff and draft impacts, limits over-compression, and enables contact monitoring.

An oil or oil-gas coupling shock absorber uses a rod-linked pad structure to dissipate heavy collision forces and prevent equipment damage.

Integrated bellows latching and dual-stage shock absorption replace bulky coach couplers, cutting weight and space while protecting inter-coach movement.

Varying recess tolerances can dislodge lubricant inserts; tapered legs and radial projections help maintain clutch engagement and consistent lubrication.

A buffer-flange interface separates load-bearing attachments from crash elements, preserving deformation movement while reducing space, weight, and assembly effort.

A compact railway coupling combines elastic springs with plastic casing expansion for passive impact energy absorption.

A brush barrier blocks rail-car coupling crossings with simple, replaceable parts.

A rail vehicle coupler uses shearable outer connections to detach the plate and spring package reliably during overloads.

Segmented elastomeric stacks absorb buff loads within a modified yoke, resolving energy absorption limits in existing railway car sills.

A rail vehicle coupling rod energy dissipation device combines reversible and irreversible absorption mechanisms within a compact structural unit.

A coupler assembly uses a movable rear stop and integrated energy absorption unit to manage tensile and compressive forces.

Segmented tapered plates and wedge shoes in a friction draft gear assembly reduce peak reaction forces while maintaining shock absorption capacity.

Deforming ribs on a plug absorb impact energy through plastic deformation, eliminating heavy separate tubes and reducing overall weight.

Rotary joint with elongated openings absorbs impact energy through controlled part deformation, preventing vehicle structure damage.

A guide element connects to a bearing block and protrudes into a deformation tube to provide axial guidance.

Breaking the housing-elastic connection enables internal overload protection, reducing component exit and preserving vehicle body strength.

Segmented adapter and bracket parts reduce reset complexity while maintaining stability during multi-car vehicle collisions.

Segmented mounting device with adjustable base plates enables quick attachment of debris deflectors, reducing installation time and operational complexity.

A rail vehicle buffer coupling integrates a metered lubricant dispenser to reduce friction on impact surfaces.

Protruding heavy loading area on hollow coupler yoke reduces local stress concentrations that cause cracks and fractures in railway carriages.

Replacing hydraulic systems, this assembly employs a spring-loaded wedge to maintain constant force over extended travel, eliminating fluid leakage.

Segmented coupler design with rotating joint allows pin removal via hanging bolt, solving maintenance access issues in confined train front spaces.

A central buffer coupling pivoting mechanism uses a cam disc and slotted gate to rotate the shaft.

A railway coupler uses a biasing device to position a pin within a shank hole, directing uncoupling forces toward head rotation.

An extendable coupler system moves a coupling body between retracted and extended positions using a motor-driven pulley mechanism.

Convex and concave members guide load transfer along the neutral axis to maintain uniform crushing posture of impact absorbing devices.