Portable Percussive Tools TRIZ Cases

A power tool uses a nested rubber member to reduce vibration transmission between housings through elastic shearing deformation.

A percussive setting tool uses a flexible coupling to allow transverse displacement of the receiving element.

Elastomeric shock absorbers cushion the hammer against the axial stop, reducing hand discomfort while maintaining impact energy delivery.

A tool holder base body uses a metal frame embedded in plastic to secure hand-held power tools.

An impact wrench control method estimates torque using rotational angle profiles to determine setpoint values for tightening phases.

A driving tool lift mechanism wheel moves between initial and eccentric positions to engage driver portions.

Segmented dual housing with offset air exhaust ports and restricted communication paths prevents foreign matter ingress while maintaining motor cooling.

A compact pistol grip impact wrench uses a nested frameless motor to reduce overall tool length and width.

A rotationally unitized spring and hammer co-rotate to increase effective moment of inertia within a compact impact tool drive assembly.

Beveled edges on the cap's protruding ring resolve the contradiction between connection reliability and ease of removal.

Mechanical impact sleeve dissipates idle firing vibrations via friction, eliminating viscoelastic degradation.

Segmented outer housing with detachable cover isolates the motor from dust ingress while elastic members reduce vibration transmission between housings.

Concavely curved hammer ball guidance area expands contact surface to reduce deformation and extend service life in impact wrench mechanisms.

A compression coil spring absorbs reaction forces by elastically deforming to reduce vibration in impact tools.

A brushless motor drives an impact tool mechanism while a controller adjusts rotation speed to manage dynamic weight movement.

Mechanical stop replaces hydraulic pressure control to eliminate setting variability and ensure repeatable blind rivet quality.

Positioning the vibration reducing member near the tool bit axis neutralizes high-amplitude oscillations during strong pressing operations.

A dust collecting device attaches to impact tools via a removable auxiliary handle and hose-holding unit.

A fuel cell stem receiver block uses a protective collar to shield the stem from accidental damage while accommodating dimensional variations.

A hand-held hammer redirects axial impact energy through a diversion element to generate counter-axial force.

A chisel with a twisted second working section applies rotational forces to penetrate material.

Hall Effect sensors detect magnet position in a non-contact trigger system, eliminating mechanical wear from repeated actuation cycles.

Positioning an electromagnetic clutch in a high-speed low-torque region reduces clutch size while preventing excessive reaction torque on the tool body.

A mode collar switches between direct coupling and cam-mediated paths, resolving torque transmission trade-offs in hybrid impact tools.

Polymeric claws prevent aluminum splitter nose damage by transmitting gripping force without direct metal-to-metal contact.

A measuring system determines AC voltage effective values using a regulated DC source and voltage divider tap.

A rotary hammer beater encloses the tool spindle to transmit impact energy while maintaining a compact form factor.

A reducer selects from three variable speeds to match specific operational modes in an impact driver.

Segmented retaining element prevents clogging by filtering large debris, maintaining airflow for rotary hammers.

A pneumatic striking mechanism uses an acceleration sensor to detect housing motion and regulate electric motor rotational speed for stable operation.

A rear handle mounting assembly uses a helical spring and bellows to absorb mechanical vibrations.

Merged switching and clutch assemblies reduce machine dimensions by eliminating redundant components during mode conversion.

An elastic member between the handle and main body absorbs impact forces during accidental drops, protecting the battery.

A rotary hammer uses a gear train and cam system to control mode selection.

Local depressions on the guide tube reduce friction while maintaining pressure-tight closure for smoother piston movement.

Position detection unit measures shift ring angle to resolve gear ratio switching capability versus measurement precision contradiction.

A rotary hammer with a transverse spindle axis and reciprocating piston directs axial impacts to a tool bit.

Flexible ridges on the hose create mechanical interlocking with the mounting region, resolving vibration-induced detachment issues.

A spring-energized tool with a positive stop mechanism ensures consistent firing pin strike force.

Segmented counterweight mounting reduces assembly complexity while maintaining force compensation.

Radial cams on a spring steel strap engage flange recesses to absorb high forces without increasing flexural rigidity.

A detachable dust collecting member attaches to a power tool auxiliary handle and connects via hose to a suction source.

An integrated elastic element expands radially to absorb recoil forces, reducing vibration and noise in percussion devices.

Nesting the cam inside a hollow piston reduces axial length while increasing structural complexity, solved by planetary gearing and composite materials.

A mechanical breach device uses a pivot-mounted spearhead to puncture doors and deploy into a T-shape.

A cantilever beam and weight form a dynamic vibration absorber that reduces handle vibrations without compromising maneuverability.

A vibration reduction arrangement uses a counterweight and motion reversing mechanism to dampen housing oscillations.