Hilti Aktiengesellschaft

Chafic Abu Antoun

Tilo Dittrich

Torsten Gogolla

Albert Binder

Norbert Heeb

Christoph Wuersch

Florian Schmid

Manuel Gut

Peter Bruggmueller

Thomas Sperrfechter

Arno Mecklenburg

Dieter Profunser

Jasmin Smajic

Hanspeter Schad

Michael Wierer

Christoph Hakenholt

Serhey Khandozhko

Dietmar Schoenbeck

Jochen Kuntner

Johann Dorfmeister

Klaus Raggl

Guenther Sanchen

Emanuel Kurth

Sherhey Khandozhko

Thomas Franz

Reto Christen

Geert Kalusche

Günther Sanchen

A tool for working a substrate, the tool having a stator and a working piston, which is intended to move relative to the stator along a working axis, also having a drive, which is intended to drive the working piston from a starting position along the working axis to the substrate, the drive comprising a piston coil arranged on the working piston and a first stator coil arranged on the stator, the piston coil having a piston coil axis, which is oriented transversely, to the working axis.

Working tool

A tool for working a substrate, having a stator and a working piston, which is intended to move relative to the stator along a working axis, and having a drive, which is intended to drive the working piston along the working axis from a starting position onto the substrate, the drive having a stator coil arranged on the stator and being intended to apply electrical current of a first current intensity Ito the stator coil in order to generate a magnetic field which accelerates the working piston relative to the stator, the drive having a piston coil arranged on the working piston and being intended to apply electrical current of a second current intensity Ito the piston coil in order to generate a magnetic field which accelerates the working piston relative to the stator, the second current intensity Ibeing less than the first current intensity I.

A tool for working a substrate has a stator and a working piston, which is intended to move relative to the stator along a working axis and toward the substrate or to hit a fastening element, in order to drive the fastening element into the substrate, also having a drive, which is intended to drive the working piston along the working axis onto the substrate, the drive having a piston coil capacitor and a piston coil arranged on the working piston, the piston coil being electrically connectable to the piston coil capacitor in order during rapid discharge of the piston coil capacitor to have a current flowing through it and to generate a magnetic field which accelerates the working piston relative to the stator.

A tool for working a substrate, the tool having a stator and a working piston, which is intended to move relative to the stator along a working axis, also having a drive, which is intended to drive the working piston from a starting position along the working axis to the substrate, the stator having a first electrical stator contact and the working piston having a first electrical piston contact, which slides on the first electrical stator contact and is arranged on a radially outer circumference of the working piston with respect to the working axis.

A setting tool for driving fastening elements into a substrate is provided, the tool comprising a holder for holding a fastening element, a drive-in element, for transferring a fastening element held in the holder into the substrate along a setting axis, and a drive, for driving the drive-in element toward the fastening element along the setting axis, wherein the drive comprises an electrical capacitor, a squirrel-cage rotor arranged on the drive-in element and an excitation coil, which during rapid discharge of the capacitor is flowed through by current and generates a magnetic field that accelerates the drive-in element toward the fastening element, and wherein the setting tool has a means for detecting a temperature of the excitation coil and a control unit which is suitable for controlling an operating sequence of the setting tool in dependence on the detected temperature of the excitation coil.

Setting tool

A tool for working a substrate, the tool having a stator and a working piston, which is intended to move relative to the stator along a working axis and toward the substrate or to hit a fastening element in order to drive the fastening element into the substrate, also having a drive, which is intended to drive the working piston along the working axis onto the substrate, the drive having a capacitor and a piston coil arranged on the working piston, the piston coil being electrically connectable to the capacitor in order during rapid discharge of the capacitor to have a current flowing through it and to generate a magnetic field which accelerates the working piston relative to the stator, the drive having a diode which is arranged on the working piston and is electrically connected to the piston coil.

A tool for working a substrate, the tool having a stator and a working piston, which is intended to move relative to the stator along a working axis, also having a drive, which is intended to drive the working piston from a starting position along the working axis to the substrate, the drive comprising a first piston coil arranged on the working piston and a first stator coil arranged on the stator, and the first piston coil being intended to enter the first stator coil during a movement of the working piston relative to the stator along the working axis.

A tool having a working piston that moves along a working axis, a drive, for driving the working piston along the working axis, the drive having an electrical capacitor, a squirrel-cage rotor arranged on the working piston and an excitation coil, wherein current flows through the coil during rapid discharge of the capacitor and generates a magnetic field that accelerates the working piston, the tool having a frame of a soft-magnetic and electrically conducting material surrounding the excitation coil and extending in a circumferential direction with respect to the working axis, the frame having one or more at least partial interruptions, which extend over a significant part of a radial extent of the frame with respect to the working axis.

A setting tool for driving fastening elements into a substrate is provided, the setting tool comprising a holder, which is provided for holding a fastening element, a drive-in element, which is provided for transferring a fastening element held in the holder into the substrate along a setting axis, a drive, which is provided for driving the drive-in element toward the fastening element along the setting axis, wherein the drive comprises an electrical capacitor, which is arranged on the setting axis or around the setting axis.

A tool comprising a drive-in element, transferring a fastening element into a substrate along setting axis by a setting energy E, a drive for driving the drive-in element along the setting axis, the drive comprising a capacitor, a rotor, and a coil, wherein current flows through the coil generating a magnetic field accelerating the drive-in element toward the fastening element, wherein a current intensity Aof current flowing through the excitation coil while discharging the capacitor has a time profile with a rising edge, a maximum current intensity Aand a falling edge, Arising during current rise time &#x394;tfrom 0.1 to 0.8 times Aand during impact time &#x394;tis more than 0.5 times the A, wherein &#x394;tis at least 0.020 ms and at most 0.275 ms and/or the impact time &#x394;tis at least 0.15 ms and at most 2.0 ms.

Fastener driving tool

A setting tool driving fastening elements, comprising a holder for a fastening element; a drive-in element transferring a fastening element in the holder into a substrate along a setting axis by a setting energy Eof at least 30 J and at most 600 J; a drive for driving the drive-in element toward the fastening element along the setting axis, the drive comprising a capacitor, a rotor on the drive-in element; and, an excitation coil, which during discharge of the capacitor is flowed through by current and generates a magnetic field accelerating the drive-in element toward the fastening element, the drive-in element having a piston diameter dand a piston mass m, and wherein, for d, where a=33 mm, b=6 mmJand n=&#x2153; and/or, for m, where c=20 g, d=30 gJand n=&#x2153;.

A striking mechanism includes a working space whose first section is surrounded by a first electromagnet and whose second section is surrounded by a second electromagnet; a striking element that can move along a striking axis inside the working space and that has a magnetizable material; an anvil whose striking surface delimits the working space in the striking direction and which protrudes into the first magnetic coil and which is made of a magnetically soft material. A spring element is provided which exerts a force onto the striking element in every position in the working space in the direction of the anvil.

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Buchs, Switzerland

Chafic Abu Antoun