Patents by Inventor Werner Kleine

Werner Kleine has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9364927
    Abstract: A drill bit 1 has a drill head 3 and a shank 4. The shank 4 has a body 20, an add-on part 40 and an internal channel 50. The drill head 3 is attached to the body 20. The add-on part 40 is attached to a lateral surface 21 of the body 20 and arranged completely within a cylindrical envelope 29 that circumscribes the body 20. The internal channel is configured within the add-on part and/or between the add-on part 40 and the lateral surface 21.
    Type: Grant
    Filed: May 9, 2012
    Date of Patent: June 14, 2016
    Assignee: Hilti Aktiengesellschaft
    Inventors: Klaus-Peter Bohn, Stefan Grasberger, Werner Kleine
  • Publication number: 20120285749
    Abstract: A drill bit 1 has a drill head 3 and a shank 4. The shank 4 has a body 20, an add-on part 40 and an internal channel 50. The drill head 3 is attached to the body 20. The add-on part 40 is attached to a lateral surface 21 of the body 20 and arranged completely within a cylindrical envelope 29 that circumscribes the body 20. The internal channel is configured within the add-on part and/or between the add-on part 40 and the lateral surface 21.
    Type: Application
    Filed: May 9, 2012
    Publication date: November 15, 2012
    Applicant: Hilti Aktiengesellschaft
    Inventors: Klaus-Peter BOHN, Stefan GRASBERGER, Werner KLEINE
  • Patent number: 8066290
    Abstract: A chuck includes a hollow cylindrical sleeve (3) having at least two, opposite, rotation transmitting strip-shaped webs (4a, 4b) projecting radially inward, and at least one locking member (2) radially displaceable through a radial opening formed in the receiving sleeve, with the receiving side end of the rotation transmitting webs (4a, 4b) being spaced from a receiving side edge of the radial opening (6) by a distance (X) 1.5 times greater than the guide diameter (D) of the receiving sleeve (3).
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: November 29, 2011
    Assignee: Hilti Aktiengesellschaft
    Inventors: Werner Kleine, Werner Britten
  • Publication number: 20100155144
    Abstract: A drilling tool for rock is disclosed. The tool has a drill rod and a cup-shaped drill head, where the drill head and the drill rod can be connected detachably but rotationally secured with each other via a coupling mechanism which has at least one rotary lock-in slot of the drill head running along a tool axis and at least one rotary lock-in bar that can be inserted into the rotary lock-in slot and that is arranged on the end of the drill rod. The coupling mechanism in this case has an elastic lock for holding the rotary lock-in bar in the rotary lock-in slot.
    Type: Application
    Filed: December 17, 2009
    Publication date: June 24, 2010
    Applicant: Hilti Aktiengesellschaft
    Inventors: Till CRAMER, Werner Kleine
  • Patent number: 7429154
    Abstract: An insertion end of a tool is driven along an axis at least partially rotary or percussively, which extends along the axis within a maximum guide diameter. At least one longitudinally closed locking groove and rotary driving groove is longitudinally closed at a longitudinal locking end towards the free leading end. The rotary driving groove has a groove width with at least one tangential force contact surface. At least two rotary driving grooves have a length of at least three times that of the guide diameter are arranged on the tool-side ahead of the longitudinal locking end, and have a contact length at least 1.5 times the guide diameter configured to be one fifth of the guide diameter.
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: September 30, 2008
    Assignee: Hilti Aktiengesellschaft
    Inventors: Werner Kleine, Werner Britten
  • Patent number: 7374375
    Abstract: A shank of a rotary-percussion working tool (2) has at least two, diametrically opposite locking grooves (5a, 5b) each having a locking shoulder (11) at an axial locking end (3) and spaced from a free end surface (4) of the shank (1), and an end shoulder (12) axially spaced from the locking shoulder (11) in a direction of a working tool-side end of the shank (1) and spaced from the axial locking end (3) of the shank (1) by a length (L) amounting at least to three times of a guide diameter (D) of the shank (1), and at least two entraining grooves (6a, 6b) mutually tangentially offset with respect to the locking grooves (5a, 5b), opening toward the free end surface (4), and having a tangential groove width (B) and at least one tangential, force application surface (7) extending over a contact length (K).
    Type: Grant
    Filed: May 27, 2005
    Date of Patent: May 20, 2008
    Assignee: Hilti Aktiengesellschaft
    Inventors: Werner Kleine, Werner Britten
  • Patent number: 7309195
    Abstract: A shank for a rotary and percussive tool has a locking groove (3) arranged between two guided regions (1a, 1b) and axially closed at its opposite ends for receiving at least one radially displaceable and axially displaceable, within predetermined limits, locking member (4) of a chuck in which the shank is received, with the guide dimension (F) of the guide region being smaller than the width (B) of the axial region (A) of the locking groove (3) and that includes the radial extent of an entrain strip (2) provided in that region (A), and greater than the thickness (D) of the axial region measured in a direction transverse to the width measurement direction.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: December 18, 2007
    Assignee: Hilti Aktiengesellschaft
    Inventors: Werner Kleine, Hans-Werner Bongers-Ambrosius, Josef Obermeier, Werner Britten
  • Patent number: 7261169
    Abstract: A shank for a working tool has at least three recesses (5) provided within the lockable region (3) and arranged in a cross-section (c-c) to the tool axis (A) at least at angles of 0°, 120°, and 240° within the radial reference dimension (R) of the shank, with at least one of the recesses (5) being axially closed toward a free end of the shank (1), and at least one protrusion (6) arranged circumferentially between two adjacent recesses (5) outside of the radial reference dimension, with the sum of central recess angles (?) of the recesses amounting to at least 150°, and a central protrusion angle (?) of the at least one protrusion (6) being smaller than a central recess angle (?).
    Type: Grant
    Filed: August 20, 2004
    Date of Patent: August 28, 2007
    Assignee: Hilti Aktiengesellschaft
    Inventors: Werner Kleine, Werner Britten
  • Patent number: 7258350
    Abstract: A chuck for receiving a working tool (2) rotable about a longitudinal axis (A) includes a receiving sleeve (3) having a guide surface (12) extending along the longitudinal axis (A) and at least three, axially extending, up to a free end surface (4) of the chuck (1), entraining grooves (5) located in front of the guide surface (12), arranged radially outside of the radial dimension (R) at angles of 0°, 120°, and 240°, and each having a central angle (?) defined with respect to the radial dimension (R) and amounting to at least 40°; and at least one locking member (6) radially displaceable over the radial dimension (R) and arranged between two circumferentially adjacent entraining grooves (5) and diametrically opposite a third entraining groove (5).
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: August 21, 2007
    Assignee: Hilti Aktiengesellschaft
    Inventors: Werner Kleine, Werner Britten
  • Publication number: 20060192350
    Abstract: A chuck for receiving a working tool driven by a power tool includes a hollow cylindrical sleeve (4) for receiving the working tool (2), strip-shaped, rotation-transmitting webs (5a, 5b) projecting radially inward from the receiving sleeve (4), at least one radially displaceable locking member (7a); at least two guide members (9a, 9b) provided in a working tool-side guide region (F) of the guide diameter (D) of the receiving sleeve and spaced from the rotation-transmitting webs (5a, 5b), and a manually rotatable clamping sleeve (8a) for displacing the guide members (9a, 9b) radially inwardly.
    Type: Application
    Filed: February 24, 2006
    Publication date: August 31, 2006
    Inventors: Werner Kleine, Werner Britten
  • Publication number: 20060103082
    Abstract: A chuck includes a hollow cylindrical sleeve (3) having at least two, opposite, rotation transmitting strip-shaped webs (4a, 4b) projecting radially inward, and at least one locking member (2) radially displaceable through a radial opening formed in the receiving sleeve, with the receiving side end of the rotation transmitting webs (4a, 4b) being spaced from a receiving side edge of the radial opening (6) by a distance (X) 1.5 times greater than the guide diameter (D) of the receiving sleeve (3).
    Type: Application
    Filed: November 10, 2005
    Publication date: May 18, 2006
    Inventors: Werner Kleine, Werner Britten
  • Publication number: 20050271487
    Abstract: A shank of a rotary-percussion working tool (2) has at least two, diametrically opposite locking grooves (5a, 5b) each having a locking shoulder (11) at an axial locking end (3) and spaced from a free end surface (4) of the shank (1), and an end shoulder (12) axially spaced from the locking shoulder (11) in a direction of a working tool-side end of the shank (1) and spaced from the axial locking end (3) of the shank (1) by a length (L) amounting at least to three times of a guide diameter (D) of the shank (1), and at least two entraining grooves (6a, 6b) mutually tangentially offset with respect to the locking grooves (5a, 5b), opening toward the free end surface (4), and having a tangential groove width (B) and at least one tangential, force application surface (7) extending over a contact length (K).
    Type: Application
    Filed: May 27, 2005
    Publication date: December 8, 2005
    Inventors: Werner Kleine, Werner Britten
  • Publication number: 20050141972
    Abstract: An insertion end (1) of a tool (2) driven along an axis (A) at least partially rotary or percussively, which extends along the axis (A) within a maximum guide diameter (D) and at least one axially closed locking groove (5) and rotary driving groove (6) axially closed at an axial locking end (3) towards the free leading end (4). The rotary driving groove has a groove width (B) with at least one tangential force contact surface (7). At least two rotary driving grooves (6) have a length (L) of at least three times that of the guide diameter (D) are arranged on the tool-side ahead of the axial locking end (3) and have a contact length at least 1.5 times the guide diameter (D) configured wider than a fifth of the guide diameter (D).
    Type: Application
    Filed: December 2, 2004
    Publication date: June 30, 2005
    Inventors: Werner Kleine, Werner Britten
  • Publication number: 20050110225
    Abstract: A chuck for receiving a working tool (2) rotable about a longitudinal axis (A) includes a receiving sleeve (3) having a guide surface (12) extending along the longitudinal axis (A) and at least three, axially extending, up to a free end surface (4) of the chuck (1), entraining grooves (5) located in front of the guide surface (12), arranged radially outside of the radial dimension (R) at angles of 0°, 120°, and 240°, and each having a central angle (?) defined with respect to the radial dimension (R) and amounting to at least 40°; and at least one locking member (6) radially displaceable over the radial dimension (R) and arranged between two circumferentially adjacent entraining grooves (5) and diametrically opposite a third entraining groove (5).
    Type: Application
    Filed: November 22, 2004
    Publication date: May 26, 2005
    Inventors: Werner Kleine, Werner Britten
  • Publication number: 20050072600
    Abstract: A shank for a working tool has at least three recesses (5) provided within the lockable region (3) and arranged in a cross-section IgIc) to the tool axis (A) at least at angles of 0°, 120°, and 240° within the radial reference dimension (R) of the shank, with at least one of the recesses (5) being axially closed toward a free end of the shank (1), and at least one protrusion (6) arranged circumferentially between two adjacent recesses (5) outside of the radial reference dimension, with the sum of central recess angles (?) of the recesses amounting to at least 150°, and a central protrusion angle (?) of the at least one protrusion (6) being smaller than a central recess angle (?).
    Type: Application
    Filed: August 20, 2004
    Publication date: April 7, 2005
    Inventors: Werner Kleine, Werner Britten
  • Patent number: 6845827
    Abstract: A drill head for rock drilling comprising cutting edges (1) made of hard material, which is detachably connected axially, over a bearing surface (3), with a drilling shaft (4) with at least one radially projecting driver blade (5a, 5b, 5c) by a bayonet-type connection slot (6a, 6b, 6c), wherein at least one connection slot (6a, 6b, 6c) is present, which forms two axially opposing undercuts (7a, 7b), within which the driver blade (5a, 5b, 5c) has limited axial movement.
    Type: Grant
    Filed: December 12, 2002
    Date of Patent: January 25, 2005
    Assignee: Hilti Aktiengesellschaft
    Inventors: Martin Richter, Udo Hauptmann, Stefen Götzfried, Werner Kleine
  • Patent number: 6712163
    Abstract: A rock drilling tool including a tip (3) formed of a hard material and provided at one end of the tool stem and a shank (4) provided at an opposite end of the stem (2) and having a plurality of entrain grooves (5) extending up to a free end surface of the shank (4), with an entire recessed surface (11) of an entrain groove (5) being larger than an entire outer surface (10) of a groove-forming rest web (6), and with a mean rest cross-sectional area (A′), which is measured within an axial section of the drilling tool having a length at least equal to a product of a natural logarithm base and a stem diameter (e×D), deviating from a mean rest cross sectional area (A) along the entire tool length maximum by 20%.
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: March 30, 2004
    Assignee: Hilti Aktiengesellschaft
    Inventors: Werner Kleine, Hans-Werner Bongers-Ambrosius, Udo Hauptmann, Martin Richter
  • Publication number: 20040052596
    Abstract: A shank for a rotary and percussive tool has a locking groove (3) arranged between two guided regions (1a, 1b) and axially closed at its opposite ends for receiving at least one radially displaceable and axially displaceable, within predetermined limits, locking member (4) of a chuck in which the shank is received, with the guide dimension (F) of the guide region being smaller than the width (B) of the axial region (A) of the locking groove (3) and that includes the radial extent of an entrain strip (2) provided in that region (A), and greater than the thickness (D) of the axial region measured in a direction transverse to the width measurement direction.
    Type: Application
    Filed: June 20, 2003
    Publication date: March 18, 2004
    Inventors: Werner Kleine, Hans-Werner Bongers-Ambrosius, Josef Obermeier, Werner Britten
  • Patent number: 6675917
    Abstract: A twist drill bit (1) for use in rock has a helical land (7) arranged between a chuck insert end (2) and a tool head (3), and extends helically around a rotational axis (A) extending along a shaft (5). The radially outer surface (8) of the land (7) has its width (x) increasing as it approaches the tool head (3).
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: January 13, 2004
    Assignee: Hilti Aktiengesellschaft
    Inventors: Werner Kleine, Hans-Werner Bongers-Ambrosius
  • Patent number: 6659205
    Abstract: A rock drill including a drilling rod (2), a cup-shaped drilling head (5) secured to the drilling rod (2) at one of its ends, and connection elements including at least one radially projecting, entraining web (8) associated with the drilling rod (2) and received in at least one axially extending entrain slot (9) which is formed in an entrain surface of the cup-shaped drilling head (5) for securing the drilling head (5) to the drilling rod (2) for joint rotation therewith and for a limited axial displacement relative thereto.
    Type: Grant
    Filed: June 13, 2002
    Date of Patent: December 9, 2003
    Assignee: Hilti Aktiengesellschaft
    Inventors: Werner Kleine, Hans-Werner Bongers-Ambrosius, Udo Hauptmann, Martin Richter