Drilling Accessories TRIZ Cases

A locking retainer with magnetic holding force keeps the switch secure, then reduces resistance during unlocking to prevent accidental trigger actuation.

A locking retainer and magnetic member keep trigger lockout above 20 N, then reduce force during unlocking to improve safety and handling.

A squeeze-activated grip switch lets tattoo artists power the machine without foot pedals or battery-pack switching, reducing hand repositioning and contamination risk.

By placing one spring end outside the housing, this trigger switch keeps tactile stroke and fine push adjustment in a smaller package.

A two-stage trigger and safety lever sequence prevents accidental power tool switch activation while allowing quick reset on release.

A dual-member switch uses two distinct motions to block accidental startup in powered tools while keeping one-motion deactivation easy.

A fuse-held movable contact opens under spring bias when fault current breaks the fuse, enabling rapid power tool motor shutdown.

A ratchet pawl and movable lock guide hold the trigger at discrete pull positions, enabling steady power tool speed without complex locking.

A locking switch that abuts the trigger prevents accidental power tool startup until a deliberate release-and-pull action occurs.

Axially sliding inner bearing support maintains alignment under shaft deflection while carrying thrust loads and reducing wear.

Obliquely angled bearing surfaces maintain contact during shaft deflection, preserving load support and reducing failure risk.

An inner assembly contained within an outer ring uses thrust elements and superhard contacts to handle axial misalignment and loading.

An angled planar-spheroid bearing interface maintains contact under shaft deflection, reducing failure risk in subterranean drilling.

Chemical leaching removes metal-solvent catalyst from PDC tables, improving thermal stability and impact resistance in drilling and cutting.

Oblique planar and spheroid bearing surfaces maintain contact and load support under shaft deflection and axial misalignment in drilling systems.

Oblique spheroidal bearing surfaces maintain contact under shaft deflection, helping drilling bearings tolerate axial misalignment without failure.

Geometric groove patterns on a bush inner surface trap lubricant, reduce outflow, and extend maintenance intervals without weakening fatigue strength.

Roughened bearing contact surfaces raise static friction in dental handpieces, reducing vibration, noise, and bearing wear without extra space.

A continuous superhard bearing surface paired with tilting pads cuts discontinuities, improves fluid film formation, and reduces wear and cost.

Layered superhard tilting pads maintain a thicker fluid film under high load, improving heat dissipation, wear resistance, and bearing life.

Roughened bearing-housing contact surfaces raise friction to stabilize preload, reduce vibration noise, and extend dental handpiece life.

Polished or textured superhard bearing surfaces cut friction, heat, torque, and chipping while improving load capacity and wear-in.

A rotating cable carrier and transmission assembly boost torque to tear through blockages while reducing drum wear and improving control.

A selector assembly with a shuttle moves activation buttons and circuit board switches between positions to reconfigure device functions.

An E-clip retained bushing allows quick removal of worn trigger components, preventing air leakage and extending power tool lifespan.

Separate lock-on and lock-off mechanisms prevent accidental activation by restricting trigger movement independently.

Composite alkoxylated amine emulsifiers stabilize water-in-oil fluids across varying temperatures and salinity levels.

Patsnap Eureka analyzes a rechargeable grinder switch system with a pivotable lock-off member that restricts operating member movement.

Segmented bearing rings enable individual component replacement, resolving maintenance difficulties in high axial load drilling operations.

A hand-held power tool positions operating elements and a reversing switch in close proximity along the housing to enable one-finger activation.

Segmented housing isolates lubricating oil from abrasive drilling fluid, reducing wear and extending operational life.

An L-shaped switching element rotates within buried asymmetrical terminals to direct current, reducing bulky cylindrical volume and material costs.

A sand-storing tank with a flap plate assembly diverts rock particles from the gas flow path.

Curved surface compliant bearings use point contact to compensate for shaft misalignment, reducing wear in particulate-laden oilfield drilling fluids.

Microfluidic channels with diffusers create stable fluid films under reciprocating motion, preventing mechanical contact and wear.

A bearing uses a retention lip to maintain a constant gauge distance between races.

Mixing fins on bearing assemblies direct lubricating fluid over superhard elements to reduce friction, resolving heat removal issues in subterranean drilling.

Actuator shifts conductors between resting and engaged positions to resolve two-hand mating requirements while maintaining connection security.

A hybrid tilting pad bearing assembly combines superhard and softer materials to balance load capacity with manufacturing ease.

Internal channels in bearing members route drilling fluid to transfer heat away from the interface, preventing thermal deterioration and extending lifespan.

Merging wakeup and sensing functions into one assembly reduces stroke length, decreases tool size, and simplifies waterproofing.

Tapered inner baffle plate guides dust-laden air flow toward suction ports, resolving interference with drilling observation.

A bearing assembly incorporates a support ring with reduced-thickness portions that elastically flex to promote hydrodynamic fluid flow.

A drive shaft cavity features an insertion device that guides cooling water through internal channels to maximize heat absorption.

Extracting the release element laterally from the ratchet surface prevents accidental unlocking while maintaining compactness and ergonomic handling.

A flexible joining element mediates thermal expansion between polycrystalline diamond and metal components.

Switch housing moves the shaft hole into the case and separates inner and outer members; simpler boundary limits dust invasion and assembly difficulty.

A movable lock member within a holder simplifies the trigger switch assembly.

A resiliently biased presser mechanism accumulates extra spring force to accelerate contact lever movement past a barrier.