Hilti Aktiengesellschaft

Johann B&uuml;chel

Dionys Schalbetter

Norbert Wohlwend

Harald Fielitz

Robert Jakob

Norbert Welte

J&uuml;rgen Bergauer

A portable, combustion-engine setting tool for fastening elements and including a guide tube ( ) for fastening elements ( ), a piston rod ( ) for driving fastening elements out of the guide tube ( ), and a locking device for lockingly connecting the guide tube ( ), with the tool base body ( ) and including a locking nose ( ) carried by the guide tube ( ), a spring ( ) for radially biasing the locking nose ( ) away from the guide tube, with the locking nose ( ) being manually radially displaceable toward the guide tube ( ) against a biasing force of the spring ( ) into a groove ( ) provided in the base body ( ).

Portable, combustion-engined setting tool for fastening elements

A piston for a setting tool and including a piston head ( ) having a hollow-chamber ( ) adjoining opening ( ) formed in the end surface of the piston head, and a stopper ( ) securable in the hollow chamber ( ) of the piston head ( ) with a solder seam for closing the opening ( ), a centering element ( ) provided on an outer circumference of the outer surface ( ) of the stopper ( ).

Piston for a setting tool

A setting tool is formed of a housing ( ) and an axially displaceable bolt guide ( ) situated in and extending out of the leading end of the housing. A protective cap ( ) is detachably arranged on the leading end region of the housing ( ) and prevents abrasion of the housing ( ) under conditions prevailing at the construction site and thus prevents wear on the housing ( ).

Setting tool

A setting tool including a stud guide ( ) located in the tool housing ( ), a hopper ( ) extending sidewise of the stud guide and having a guide channel extending parallel to a longitudinal extent of the hopper ( ) and having two guide regions ( ), a displaceable drawer ( ) arranged in the guide channel, a scroll spring ( ) provided in the drawer ( ) for retaining the drawer ( ) in its initial position and having its free end secured to the hopper ( ), a cover ( ) for closing the hopper and displaceable along the hopper ( ) between closed and open positions, the cover ( ) having an element ( ) for displacing the drawer ( ) from its initial position to its transporting position in which the drawer ( ) clears a section of the guide channel for insertion of the nail magazine, and elements ( ) for formlockingly connecting the drawer ( ) to the hopper ( ) in the transporting position of the drawer ( ).

The setting tool comprises a housing ( ), a firing device ( ) and an axially displaceable piston guide ( ). The simple assembly of the piston guide ( ) in the housing ( ) is made possible by a centering means acting between the piston guide ( ) and the housing. Guidance elements ( ), by means of the centering means, are eccentrically arranged on at least one of the piston guide ( ) and the firing device ( ) and extend essentially parallel to the setting direction. The guidance elements ( ) are coaxially disposable on at least one of the piston guide ( ) and the firing device ( ) relative to corresponding receiving openings ( ) on the piston guide ( ) and the firing device ( ).

A setting tool comprised of a housing ( ), a handle ( ), an axially displaceable firing device ( ), an axially displaceable piston guide ( ) with a cartridge chamber ( ) and a guide channel for receiving and guiding a strip-shaped cartridge magazine ( ) that opens into a discharge opening ( ) in the housing ( ). A length (L) extends between a setting-side inside wall of the discharge opening ( ) and a setting-side front face ( ) of the firing device ( ) in the starting position so that a used cartridge magazine ( ) can assume an inclined position relative to the longitudinal axis of the guide channel, after the last cartridge is fired. The length (L) is initially between 15 mm to 20 mm and then a length that corresponds to the greatest path by which the firing device ( ) can be displaced.

A power force adjustment for a setting tool has a housing ( ), a mechanism for adjustment of power force using a adjustment wheel ( ) rotatable around an axis ( ) and a lever ( ) pivotally movable around a pivot axis, the lever preventing any movement of the adjustment wheel ( ) when in the locked position and when in the release position allows free rotation of the adjustment wheel ( ).

Growing community of inventors

Sevelen, Switzerland

Johann Büchel

Growing community of inventors

Sevelen, Switzerland

Johann B&uuml;chel

Johann Büchel