Rudolf Berger

Wearable drive system for a work apparatus

Carrying Device Having an Energy Store and an Electrical Transformer

Wearable Drive System for a Work Apparatus

ELECTRIC TOOL HAVING A PROTECTIVE HOOD

Drill hammer and/or impact hammer having free convection cooling

Percussion tool having cooling of equipment components

Pneumatic-spring percussion mechanism with a variable rotary drive

Percussive mechanism with an electrodynamic linear drive

Drilling and/or percussive hammer with no-load operation control

Drilling and/or striking hammer with a lubricating device

Linearly Driven and Air-Cooled Boring and/or Percussion Hammer

Percussion Hammer and/or Drill Hammer Comprising a Safety Coupling

Percussion Hammer and/or Drill Hammer Comprising a Handle Which Can be Guided in a Linear Manner

Hollow piston hammer device with air equilibration and idle openings

Drilling hammer and/or percussive hammer having a tool-holding fixture

Wobble drive

Working tool with damped handle

Hollow piston hammer device with air equilibration and idle openings

Pneumatic percussive tool with a movement frequency controlled idling position

Demolition hammer and/or hammer-drill with a percussion device suitable for releasing clamped objects by striking

Hammer drill and /or percussion hammer with no-load operation control that depends on application pressure

Pneumatic spring percussion mechanism with an electro-dynamically actuated driving piston

Drilling and/or striking hammer with a lubricating device

Hammer drill and/or paving breaker with a handle