Patents by Inventor Thomas Bernhardt
Thomas Bernhardt 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).
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Publication number: 20100307882Abstract: The invention relates to a gearbox device, in particular for a hammer drill or chisel, which includes a drive mechanism and an overload clutch arranged on the drive mechanism. The overload clutch has a spring element, a toothed gear unit, and a locking element. According to the invention, the spring element is arranged along a force flow direction of the drive mechanism on the drive mechanism before the toothed gear unit and the locking element.Type: ApplicationFiled: January 30, 2008Publication date: December 9, 2010Inventors: Andre Ullrich, Thomas Bernhardt, Tobias Herr
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Publication number: 20100300715Abstract: The invention relates to a hand-held power tool having a bearing race inserted into a bearing socket. The bearing socket and the bearing race have recessed ring sectors positioned relative to one another in an overlapping manner. The ring sector of the bearing race is configured by breaking out a circumferential section of the bearing race, which is defined by predetermined breaking points.Type: ApplicationFiled: September 29, 2008Publication date: December 2, 2010Inventors: Thomas Storm, Frank Eichelroth, Bernhard Hegemann, Thomas Bernhardt, Holger Ruebsaamen, Andreas Schlegel
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Publication number: 20100294525Abstract: The invention relates to a hand tool machine, particularly a drill and/or chisel hammer, having a striking unit comprising at least one hammer and one striking element, and having a damping device for the striking element for damping a B-strike of the striking element against a striking unit. The invention proposes that the damping device have at least one axial overlap region with the hammer in at least one operating mode.Type: ApplicationFiled: September 2, 2008Publication date: November 25, 2010Applicant: Sony France S.A.Inventors: Gerhard Meixner, Thomas Bernhardt, Andreas Strasser, Tobias Herr
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Publication number: 20100269647Abstract: The invention relates to a system for a hand-held machine tool, particularly a pistol-shaped hand-held machine tool, which includes at least one first auxiliary unit, and a coupling mechanism that is used for coupling the first auxiliary unit and the hand-held machine tool. An example of the invention includes a suction unit as the first auxiliary unit for collecting debris from a hand-held drilling tool. The system also provides for at least one additional auxiliary unit to be coupled to the held-held power tool by the coupling mechanism. An example of the invention includes an illuminating element as an additional auxiliary unit which can be coupled to the tool with the coupling mechanism so as to be interchangeable with the first auxiliary unit.Type: ApplicationFiled: September 7, 2007Publication date: October 28, 2010Inventors: Otto Baumann, Thomas Bernhardt, Hardy Schmid
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Publication number: 20100186979Abstract: The invention relates particularly to a hand-held power tool housing unit which surrounds at least one component of the hand-hand power tool, having a first housing part, a second housing part, and a damping device disposed between the two housing parts. It is proposed that the damping device forms an additional housing part.Type: ApplicationFiled: April 21, 2008Publication date: July 29, 2010Inventors: Jochen Krauter, Bernhard Hegemann, Thomas Bernhardt, Andreas Schlegel
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Publication number: 20100101814Abstract: The invention relates to a hand machine tool which has an intermediate flange, particularly for receiving transmission elements. The flange has at least one base body having at least one bearing point. It is proposed that at least one opening is provided at least in the area of the bearing point.Type: ApplicationFiled: February 7, 2008Publication date: April 29, 2010Inventors: Thomas Bernhardt, Hoger Ruebsaamen, Andreas Schlegel
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Publication number: 20100038104Abstract: The invention relates to a hand-held machine tool for driving a bit which can be accommodated in a tool holder, with a rotary and/or hammer action. The machine tool includes a drive train which has a drive side associated with a drive unit and a driven side associated with the tool holder. According to the invention, the hand-held machine tool has at least one decoupling unit that is used to form a rotationally elastic coupling between the drive side and the driven side.Type: ApplicationFiled: May 11, 2007Publication date: February 18, 2010Inventors: Otto Baumann, Helmut Heinzelmann, Thomas Bernhardt, Hardy Schmid, Tobias Herr, Willy Braun
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Patent number: 7644929Abstract: A very easy-to-actuate, replaceable tool fitting is comprised in that at least one movably supported profiled body (15) on an output spindle (1) or on the tool fitting (11) of the hand-held power tool and at least one profiled recess (7) on the output spindle (1) or on the tool fitting (11) are shaped and situated in such a way that when the tool fitting (11) is slid onto the output spindle (1), the at least one profiled body (15) engages in detent fashion in the at least one profiled recess (7), achieving both an axial locking and a rotary driving of the tool fitting (11) in relation to the output spindle (1) and means (6, 8, 14) are provided, which, through a rotating and sliding motion of the tool fitting (11) on the output spindle (1), guide the profiled body (15) into the profiled recess (7).Type: GrantFiled: July 1, 2005Date of Patent: January 12, 2010Assignee: Robert Bosch GmbHInventors: Karl Frauhammer, Otto Baumann, Rolf Mueller, Heinz Schnerring, Dietmar Saur, Willy Braun, Axel Kuhnle, Thomas Bernhardt, Uwe Engelfried
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Publication number: 20090266571Abstract: The invention relates to a manual machine tool having a drivetrain (12a; 12b) and at least one decoupling unit (20a; 20b). The invention is characterized in that the decoupling unit (20a; 20b) is arranged between two drivetrain units (12a; 12b; 16a; 16b).Type: ApplicationFiled: November 7, 2006Publication date: October 29, 2009Inventors: Otto Baumann, Thomas Bernhardt, Hardy Schmid, Juergen Lennartz
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Patent number: 7597155Abstract: A tool fitting that is provided to accommodate a rotary hammer bit and/or a chisel bit (10) and an adapter (12). The tool fitting has centering elements (14, 16) for at least reducing the mobility of the adapter (12) when mounted in comparison to the mobility of the rotary hammer bit and/or chisel bit (10) when mounted.Type: GrantFiled: July 1, 2005Date of Patent: October 6, 2009Assignee: Robert Bosch GmbHInventors: Andre Ullrich, Thomas Bernhardt, Kurt Sieber
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Publication number: 20080169111Abstract: A hammer drill (10), consisting of a housing (12), accommodating the parts mentioned below and assembled in particular from half shells (13, 14), a motor (16) with an on/off switch (18) and with a motor shaft (22) with motor pinion (24), a gear unit (26) with an intermediate shaft (28), with a drive gear (30), with a splined driving shaft (32), with a shifting sleeve (34) and with an output gear (35), a percussion mechanism (36), in particular with a wobble plate (40), with a wobble gear (38) with wobble finger (42), and with a percussion element (44), an output shaft (46) with a drive gear (48), and a drill chuck (50), wherein the motor (16) meshes with the drive gear (30) of the intermediate shaft (28) via its motor pinion (24), wherein the rotary driving of the wobble plate (40) with the intermediate shaft (28) can be set or stopped via coupling or release of the shifting sleeve (34), in particular with the splined driving shaft, preferably by displacing with shifting means (52), and wherein the rotary driType: ApplicationFiled: September 25, 2006Publication date: July 17, 2008Applicant: Robert Bosch GMBHInventors: Achim Duesselberg, Andre Ullrich, Helmut Heinzelmann, Thomas Bernhardt, Michael Weiss, Tobias Herr
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Publication number: 20070145694Abstract: A tool fitting that is provided to accommodate a rotary hammer bit and/or a chisel bit (10) and an adapter (12). The tool fitting has at least one means (14, 16) for at least reducing the mobility of the adapter (12) when mounted in comparison to the mobility of the rotary hammer bit and/or chisel bit (10) when mounted.Type: ApplicationFiled: July 1, 2005Publication date: June 28, 2007Inventors: Andre Ullrich, Thomas Bernhardt, Kurt Sieber
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Publication number: 20070096404Abstract: A very easy-to-actuate, replaceable tool fitting is comprised in that at least one movably supported profiled body (15) on an output spindle (1) or on the tool fitting (11) of the hand-held power tool and at least one profiled recess (7) on the output spindle (1) or on the tool fitting (11) are shaped and situated in such a way that when the tool fitting (11) is slid onto the output spindle (1), the at least one profiled body (15) engages in detent fashion in the at least one profiled recess (7), achieving both an axial locking and a rotary driving of the tool fitting (11) in relation to the output spindle (1) and means (6, 8, 14) are provided, which, through a rotating and sliding motion of the tool fitting (11) on the output spindle (1), guide the profiled body (15) into the profiled recess (7).Type: ApplicationFiled: July 1, 2005Publication date: May 3, 2007Inventors: Karl Frauhammer, Otto Baumann, Rolf Mueller, Heinz Schnerring, Dietmar Saur, Willy Braun, Axel Kuhnle, Thomas Bernhardt, Uwe Engelfried
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Publication number: 20060201690Abstract: An electric hand-held power tool has a housing, a double-shelled handle attached axially to the housing, a selector ring pivotally located in the housing, an actuating element supported by the selector ring and swivelable manually, the housing and the handle including a line connecting domes oriented parallel to an axis of the housing and located in a parting plane region between the housing and the handle for receiving connecting units, the connecting domes including centering elements for guiding and exactly positioning handle shells when the handle shells are attached individually to the housing.Type: ApplicationFiled: February 9, 2006Publication date: September 14, 2006Inventors: Siegfried Fehrle, Thomas Bernhardt, Michael Weiss, Andreas Schlegel
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Publication number: 20060186609Abstract: A drill chuck for a hand power tool has a chuck body, an adaptor part that is connectable to the chuck body, guide receptacles provided in the chuck body and inclined relative to a chuck axis, clamping jaws guided longitudinally displaceably in the guide receptacles, and a clamping bush which is coaxial with the chuck axis, for adjusting the clamping jaws, and a retaining bush, the chuck body and the adaptor part being united in a one-piece component; and a hand power tool is provided with the drill chuck.Type: ApplicationFiled: December 6, 2005Publication date: August 24, 2006Inventors: Otto Baumann, Rolf Mueller, Thomas Bernhardt
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Publication number: 20050224243Abstract: The invention relates to a tool receptacle for a hand power tool, in particular for a drill hammer, having a receiving opening (12) for receiving a tool shaft (14) and having a hammering bolt (16), and the tool shaft (14) and/or the hammering bolt (16) has a ready position located between an idling position and a hammering position, and having a lubricant opening (56) for delivering lubricant, which lubricant opening is fixed relative to the hammering bolt (16), and having a lubricant valve (16, 56) with a variable valve position for metering lubricant. It is proposed that the valve position of the lubricant valve (16, 56) be dependent on the ready position of the hammering bolt (16) and/or of the tool shaft (14), between the idling position and the hammering position.Type: ApplicationFiled: June 27, 2003Publication date: October 13, 2005Inventors: Otto Baumann, Rolf Mueller, Dietmar Saur, Helmut Heinzelmann, Thomas Bernhardt, Hardy Schmid
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Publication number: 20050191628Abstract: This invention relates to polypeptide antibiotics, including materials and methods related thereto, based upon the observation that bacteriophage elaborate proteins that cause host cell lysis by interfering with specific steps in cell wall biosynthesis. Examples of antibiotics based upon this invention include the bacteriophage ?X174 gene E product and structurally and/or functionally related polypeptide and small protein antibiotics that interact with MraY, and the bacteriophage Q? gene A2 product and structurally and/or functionally related polypeptide and small protein antibiotics that interact with MurA. This leads to the general model for obtaining new polypeptide antibiotics by using genetic approaches based on these findings to find polypeptide sequences which cause bacterial cell lysis.Type: ApplicationFiled: July 23, 2003Publication date: September 1, 2005Inventors: Ryland Young, William Roof, Douglas Struck, Thomas Bernhardt, Ing-Nang Wang
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Patent number: 6792462Abstract: Systems, methods and computer program products are provided for distributed administration of a network environment having defined administrator authorities. A plurality of rules are defined specifying ones of a plurality of entity objects without administrator authority authorized to invoke administration powers to establish properties of target entity objects. In various embodiments, such rules are based on one or more of the properties of the target ones of the entity. An administrator application identifies one of the rules associated with one of the administration powers for one of the properties to be established and obtains a property of the target entity object designated by the identified rule to determine if the action is authorized.Type: GrantFiled: January 16, 2001Date of Patent: September 14, 2004Assignee: NetIQ CorporationInventors: Thomas Bernhardt, Marcus Richard Erickson, Chandrashekhar Vaidya
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Publication number: 20030026669Abstract: The invention relates to a chisel (1) or a hammer drill, in particular insertable chisel or insertable drill for power-driven drill and chisel hammers, with an insertion end (2), with a chisel shank (3) or drill shank and with a chisel head (4) or drill shank located opposite the insertion end (2). In this case, the diameter of the shank (3) increases in the direction of the chisel head (4) at least once from a first, small diameter to a second, large diameter and decreases again from this to a small diameter or forms at least one bead (8).Type: ApplicationFiled: July 8, 2002Publication date: February 6, 2003Inventors: Marco Lang, Franc Koljaka, Friedmar Dresig, Thomas Bernhardt
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Publication number: 20020133579Abstract: Systems, methods and computer program products are provided for distributed administration of a network environment having defined administrator authorities. A plurality of rules are defined specifying ones of a plurality of entity objects without administrator authority authorized to invoke administration powers to establish properties of target entity objects. In various embodiments, such rules are based on one or more of the properties of the target ones of the entity. An administrator application identifies one of the rules associated with one of the administration powers for one of the properties to be established and obtains a property of the target entity object designated by the identified rule to determine if the action is authorized.Type: ApplicationFiled: January 16, 2001Publication date: September 19, 2002Inventors: Thomas Bernhardt, Marcus Richard Erickson, Chandrashekhar Vaidya