Hilti Aktiengesellschaft

Hilti Aktingesellschaft

Gerd Daubinger

Andreas Pally

Felix Ferlemann

Horst Rahmsdorf

Hendrik A Van Egeraat

Josef Obermeier

Thomas Bader

Horst Rahmsmdorf

Holger Wirtz

Frank Brandenburg

Daniel E Spielberg

Sven Jochmann

A magazine strip for carrying fastening elements () including two opposite side walls () projecting from rear wall (), extending parallel to each other in a longitudinal direction (L) of the magazine strip, and forming together a space () for receiving the fastening elements () at least along a portion of a longitudinal extent (a) of the fastening elements, and a loss-preventing element () for preventing the fastening elements from falling out in a direction transverse to the longitudinal direction of the magazine strip and having a spring element acting in a direction transverse to a longitudinal extent of the side walls () and narrowing at least partially an inner width of the receiving space ().

Magazine strip for fastening elements

A magazining device () for a power tool () for driving in fastening elements includes a guide member () mountable on the power tool () coaxially with the drive-in axis (A), a receiving device () projecting from the guide member () and having a free receiving cross-section () for receiving a support strip () with the fastening elements (), a transporting slide () spring-biased along a transporting slide guide (), which is provided in the receiving device (), in a direction toward the outlet opening () of the receiving cross-section () and having a bearing element () which extends, in a transporting position of the transporting slide (), into the receiving cross-section () for transporting the fastening elements () in a direction toward the drive-in axis (A), with the transporting slide () having an open position in which the bearing element () opens the receiving cross-section () in a direction of a lead-in opening (), and an element for retaining the transporting slide () in a spaced relationship with respect to the receiving cross-section () in open position of the transporting slide ().

Magazining device for a drive-in power tool

A magazine strip () for fastening elements () includes a strip-shaped support strap (), a plurality of uniformly spaced from each other, transporting recesses () for a stepwise displacement of the magazine strip () in a magazine receptacle and opening toward a first one () of opposite longitudinal edges of the strap, and a plurality of substantially cylindrical receptacles () for retaining fastening elements () and limited by a lower surface () and an upper surface () of the support strap () and opening toward a second one () of the opposite longitudinal edges of the support strap ().

Magazine strip

A screw driving device () for a hand tool drilling device () includes a screw magazine () for successive feeding of screws or bolts (), a feeder block () that can be axially displaced against the force of a feeder spring (), which at least partially supplies screws () during the back and forth reciprocating movement of the feeder block (), and a driving tool () that can be coupled rotationally in form locked manner with a screw head (), wherein the driving tool () axially moveably receives a rotatingly driven drilling tool () in a coaxial hollow inner space and is spring biased axially by a clutch spring () relative to the screw driving device in a rotation driver position X, in which a drilling tool tip () is axially spaced from the screw head () and is coupled rotationally form locked with the driving tool ().

Screw driving device

A screw driving tool comprises a housing ( ), a drive ( ), a drive spindle ( ), a torque coupling ( ) between the drive ( ) and the drive spindle ( ), as well as an adjustment mechanism disposed between the free end of the drive spindle ( ) and the torque coupling ( ), the adjustment mechanism is used for adjusting the torque transmitted using the torque coupling ( ). The adjustment mechanism has at least one prestressable spring element ( ) cooperating with the torque coupling; a compression sleeve ( ) that is displaceable parallel to the axis of the drive spindle ( ) and cooperating with the spring element ( ); a control sleeve ( ) arranged coaxially with the compression sleeve ( ) and cooperating with the compression sleeve ( ); a rotatable adjustment sleeve ( ), and a plurality of rotationally mounted planet wheels ( ) cooperating in a form locked manner with the control sleeve ( ) and inner teeth ( ) of the adjustment sleeve ( ). The housing ( ) extends between the control sleeve ( ) and the adjustment sleeve ( ) and the planet wheels ( ) are rotationally mounted in passage openings in the housing ( ).

Screw driving tool

A magazine has an elongated carrier strip ( ) which carries several fastening elements ( ) arranged one behind the other. For each fastening element ( ), the carrier strip ( ) has several receiving surfaces, each receiving surfaces being formed by a support surfaces ( ) having an opening ( ) and by two side members ( ) whose end parts are connected to each other and which jointly form a passage ( ). The diameter of the opening ( ) and of the passage ( ) essentially match the diameter of the shaft ( ) of the fastening element ( ). Extending from the circumference of the opening ( ), there are at least two slits ( ) which divide the circumferential area of the opening ( ) into two circular ring segments that can be pivoted downwardly into the interior of the magazine.

Magazine for fastening elements

A strip-shaped screw magazine having a plurality of spaced from each other connection webs ( ) extending between two side walls ( ) of the magazine transverse to the longitudinal extent of the screw magazine and defining a plurality of substantially square chambers ( ) for receiving each a screw ( ), and a sleeve ( ) for receiving a stem of the screw ( ) and arranged centrally in each of the receiving chambers ( ), the receiving sleeve ( ) having at least two break points ( ) and being connected by at least two support arms ( ) uniformly arranged on the circumference of the sleeve with the side walls and/or the connection webs.

Strip-shaped screw magazine

A screw feeding device for a power screw driving tool and including a housing ( ) connectable with the power screw driving tool, a guide ( ) having a carrier ( ) projecting transverse to a setting direction of the screws ( ) for supporting a screw magazine ( ), a support ( ) stepwise displaceable relative to the guide ( ) parallel to the setting direction, and an elastic adjusting element ( ) for connecting the support ( ) with the guide ( ) and having a prestressed disengaged position in which the support can be displaced relative to the guide.

Screw feeding device for a power screw driving tool

A carrier strip for fastening elements and including a plurality of ring-shaped receiving members (,) for receiving the fastening elements (,), with the receiving members (,) having each a receiving opening (,) and being arranged one after another and connected with each other, and with each two adjacent receiving members (,) being offset relative to each other in a direction parallel to a longitudinal axis of the receiving opening (,).

Carrier strip for fastening elements and a magazine with the carrier strip

A self-drilling screw including a drilling section (1; 4) adjoining a thread section (2; 5) of the screw and formed of first (11; 41) and second (12; 42) parts arranged one after another, within the drilling section (1; 4) having first and second cutting edges (15, 16; 45, 46) a radial extension of which is symmetrical with respect to the longitudinal axis of the screw, in the first, in a drilling direction, part of the drilling section (1; 4), with at least a portion of the second part (12, 42) of the drilling section (1, 4), which is located between the first part (11, 41) and the thread section (2; 5), having in a region of one of the first cutting edges (15; 45), a radial extension (R1; R3) corresponding, at most, to a half of a root diameter (D1; D3) of the thread section (2; 5), and with the second cutting edge (16, 46) having in the second part (12, 42) of the drilling section (1, 4), a radial extension (R2; R4) which is smaller than a half of a pitch diameter (D2; D4) of the thread section (2, 5) and corresponds at least to the half of the root diameter (D1; D3) of the thread section (2; 5).

Self-drilling screw

A rotary tool for imparting rotation to a drill or an attachment element (2), and including a rotation-imparting element (14), and apparatus (6) for storing a cooling medium, and a conduit (7) for delivering the cooling medium to an operational side end region of the drill or of the attachment element (2).

Rotary tool with a cooling apparatus

A transporting device for a strip-shaped magazine feeding attachment (3) for screws includes a housing (1) of a screw driving apparatus, a guide element (2) at a front end of the housing and displacable relative to the housing in the screw-setting direction. A stop element (8) and a transporting channel (15) for the magazine feeding attachment (3) for screws extending substantially perpendicularly to the screw-setting direction. The stop element (8) can be displaced relative to the guiding element (2) in the screw-setting direction. The transporting channel (15) extending substantially perpendicularly to the screw-setting direction and being formed by the guiding element (2) and the stop element (8) between which the magazine feeding attachment (3) can be clamped.

Growing community of inventors

Munich, Germany

Gerd Daubinger