Patents by Inventor Ralph Dammertz
Ralph Dammertz 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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Patent number: 10416347Abstract: The disclosure relates to a locating system, comprising at least one hand-held locating sensor, which is provided for capturing locating data related to objects to be located that are hidden under an examination surface, a position sensor, which is provided for capturing position data, which can be associated with the locating data, and an evaluating unit, which is provided for determining at least two-dimensional map information from the locating data and the position data and providing said at least two-dimensional map information. According to the disclosure, the locating system comprises at least one data source, which is provided for providing data for the purpose of a modification of the at least two-dimensional map information.Type: GrantFiled: April 22, 2015Date of Patent: September 17, 2019Assignee: Robert Bosch GmbHInventors: Reiner Krapf, Heiko Sgarz, Jan-Michael Brosi, Christian Amann, Ralph Dammertz
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Patent number: 10060730Abstract: A method of performing geometrical measurements of remote objects includes performing a laser sweep of a measurement object with a handheld sensor device including a distance measurement unit and an inertial measurement unit. The method includes activating the distance measurement unit to perform a plurality of distance measurements during the laser sweep, and activating the inertial measurement unit to perform an inertial measurement in association with each of the distance measurements. A processor is used to process the distance measurements with reference to the associated inertial measurements to determine a geometric characteristic of the measurement object.Type: GrantFiled: October 30, 2014Date of Patent: August 28, 2018Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: Matthias Roland, Benjamin Pitzer, Philip Roan, Ralph Dammertz, Hauke Schmidt, Alexander Flaig
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Patent number: 9776261Abstract: A table saw assembly in one embodiment includes a base portion, a saw blade opening, a saw assembly and a first extension. The base portion includes a base work piece support surface which defines a support plane. The saw blade opening is defined in the base work piece support surface. The saw assembly includes a saw blade which is positionable to extend upwardly through the saw blade opening. The first extension includes a first extension work piece support surface which is pivotable with respect to the base portion between a first position and a second position. In the first position, the first extension work piece support surface is coplanar with the base work piece support surface. In the second position, the first extension work piece support surface is located above the support plane.Type: GrantFiled: October 14, 2011Date of Patent: October 3, 2017Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: Juergen Wiker, Ralph Dammertz
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Patent number: 9776262Abstract: A table saw assembly includes a base portion with a base work piece support surface which defines a support plane and a saw blade opening. A saw blade is positionable to extend upwardly through the saw blade opening. A first extension includes a first extension work piece support surface which is pivotable with respect to the base portion between a first position coplanar with the base work piece support surface and a second position above the support plane. A second extension includes a second extension work piece support surface which is pivotable between a third position coplanar with the base work piece support surface and a fourth position above the support plane. The table saw assembly includes a handle located above the work piece support surface and accessible by a user when the first extension is in the second position and the second extension is in the fourth position.Type: GrantFiled: October 14, 2011Date of Patent: October 3, 2017Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: Juergen Wiker, Ralph Dammertz
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Publication number: 20170153349Abstract: The disclosure relates to a locating system, comprising at least one hand-held locating sensor, which is provided for capturing locating data related to objects to be located that are hidden under an examination surface, a position sensor, which is provided for capturing position data, which can be associated with the locating data, and an evaluating unit, which is provided for determining at least two-dimensional map information from the locating data and the position data and providing said at least two-dimensional map information. According to the disclosure, the locating system comprises at least one data source, which is provided for providing data for the purpose of a modification of the at least two-dimensional map information.Type: ApplicationFiled: April 22, 2015Publication date: June 1, 2017Inventors: Reiner KRAPF, Heiko SGARZ, Jan-Michael BROSI, Christian AMANN, Ralph DAMMERTZ
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Patent number: 9662797Abstract: A guard device for a saw system in which the table saw is not operated without a saw blade guard, unless a user intends to make a non-through cut in a workpiece. The guard device, in one embodiment, determines whether an adjusted saw blade height corresponds to a thickness of the work piece to be cut and prevents the tool or motor driving the saw blade from operating if the saw blade is adjusted too high, in order to improve work conditions.Type: GrantFiled: November 12, 2013Date of Patent: May 30, 2017Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: Ralph Dammertz, Juergen Wiker
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Patent number: 9573286Abstract: A dust collection system for a circular saw having a saw housing and a motor configured to rotationally drive a saw blade includes a dust collecting member and a guide mechanism. The dust collecting member includes a body having a first end in which a dust collection opening is defined and a second end operably connectable to an airflow generation device. The guide mechanism is configured to support the dust collecting member on the saw housing such that the dust collection opening remains adjacent to an outer edge of the saw blade in response to one of the dust collecting member and the guide mechanism contacting the workpiece to move the dust collecting member.Type: GrantFiled: March 13, 2014Date of Patent: February 21, 2017Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: Reinhard Gantke, Hans-Joerg Hopfengart, Uwe Striggow, Ralph Dammertz, Juergen Wiker
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Publication number: 20160282107Abstract: A method of performing geometrical measurements of remote objects includes performing a laser sweep of a measurement object with a handheld sensor device including a distance measurement unit and an inertial measurement unit. The method includes activating the distance measurement unit to perform a plurality of distance measurements during the laser sweep, and activating the inertial measurement unit to perform an inertial measurement in association with each of the distance measurements. A processor is used to process the distance measurements with reference to the associated inertial measurements to determine a geometric characteristic of the measurement object.Type: ApplicationFiled: October 30, 2014Publication date: September 29, 2016Inventors: Matthias Roland, Benjamin Pitzer, Philip Roan, Ralph Dammertz, Hauke Schmidt, Alexander Flaig
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Patent number: 9272439Abstract: A rip fence for a table saw includes a frame having a front portion and a rear portion. A front clamping lever is pivotably supported in the front portion of the frame for movement between a clamped and an unclamped position. A handle is pivotably supported in the front portion of the frame for movement between a locked and an unlocked position. The handle includes a lever portion that engages the front clamping lever and moves the front clamping lever from the unclamped to the clamped position when the handle is moved from the unlocked position toward the locked position. A rear clamping lever is attached to the rear portion of the frame and movable between a clamped and unclamped position. When the front clamping lever is moved to clamped position by the lever portion of the handle, continued movement of the handle to locked position results in the handle pulling the rear clamping lever from the unclamped to the clamped position.Type: GrantFiled: December 17, 2013Date of Patent: March 1, 2016Assignee: Robert Bosch GmbHInventor: Ralph Dammertz
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Patent number: 9242328Abstract: A monitoring device of a machine tool, in particular a circular saw bench, includes a safety unit having at least one first sensor. The monitoring device further includes at least one reference sensor, which is provided to convert a characterizing physical measured variable of the workpiece into an electric characteristic variable during machining of a work piece using the machine tool. The characteristic variable is provided to establish a reference value for a signal of the first sensor.Type: GrantFiled: August 27, 2010Date of Patent: January 26, 2016Assignee: Robert Bosch GmbHInventors: Georg Stellmann, Sebastian Jackisch, Ralph Dammertz
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Patent number: 9168597Abstract: Provided is a table saw assembly including a base portion, a saw blade opening, a saw assembly and a first leg assembly. The base portion includes a base work piece support surface which defines a support plane. The base portion includes a lower surface opposite the base work piece support surface. The saw blade opening is defined in the base work piece support surface. The saw assembly includes a saw blade which is positionable to extend upwardly through the saw blade opening. The first leg assembly includes a first foot portion. The first leg assembly is pivotable between a first position and a second position. In the first position, the first foot portion is positioned lower than the lower surface of the base portion. In the second position, the first foot portion is positioned above the lower surface of the base portion.Type: GrantFiled: October 14, 2011Date of Patent: October 27, 2015Assignee: Robert Bosch GmbHInventors: Juergen Wiker, Ralph Dammertz
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Patent number: 9061359Abstract: A table saw assembly in one embodiment includes a base portion with a base work piece support surface defining a support plane and a saw blade opening defined in the base work piece support surface, a saw assembly, a first extension and a first sliding support assembly. The saw assembly includes a saw blade positionable to extend upwardly through the saw blade opening. The first extension includes a first extension work piece support surface pivotable with respect to the base portion between a first position and a second position. In the first position, the first extension work piece support surface is coplanar with the base work piece support surface. In the second position, the first extension work piece support surface is located above the support plane. The first sliding support assembly is movable along the support plane and is configured to support the first extension in the first position.Type: GrantFiled: October 14, 2011Date of Patent: June 23, 2015Assignee: Robert Bosch GmbHInventors: Juergen Wiker, Ralph Dammertz
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Patent number: 8869665Abstract: A power tool includes a table structure defining a blade slot, a blade positioned within the blade slot, a motor assembly to rotate the blade, and a dust chute assembly. The dust chute assembly surrounds at least a portion of the blade and includes a plenum for receiving airflow scavenged from operation of the motor assembly and redirects the airflow to convey dust and debris from operation of the blade to a discharge outlet.Type: GrantFiled: October 31, 2011Date of Patent: October 28, 2014Assignee: Robert Bosch GmbHInventors: Ralph Dammertz, Juergen Wiker
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Publication number: 20140260848Abstract: A dust collection system for a circular saw having a saw housing and a motor configured to rotationally drive a saw blade includes a dust collecting member and a guide mechanism. The dust collecting member includes a body having a first end in which a dust collection opening is defined and a second end operably connectable to an airflow generation device. The guide mechanism is configured to support the dust collecting member on the saw housing such that the dust collection opening remains adjacent to an outer edge of the saw blade in response to one of the dust collecting member and the guide mechanism contacting the workpiece to move the dust collecting member.Type: ApplicationFiled: March 13, 2014Publication date: September 18, 2014Applicants: Robert Bosch GmbH, Robert Bosch Tool CorporationInventors: Reinhard Gantke, Hans-Joerg Hopfengart, Uwe Striggow, Ralph Dammertz, Juergen Wiker
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Publication number: 20140182436Abstract: A rip fence for a table saw includes a frame having a front portion and a rear portion. A front clamping lever is pivotably supported in the front portion of the frame for movement between a clamped and an unclamped position. A handle is pivotably supported in the front portion of the frame for movement between a locked and an unlocked position. The handle includes a lever portion that engages the front clamping lever and moves the front clamping lever from the unclamped to the clamped position when the handle is moved from the unlocked position toward the locked position. A rear clamping lever is attached to the rear portion of the frame and movable between a clamped and unclamped position. When the front clamping lever is moved to clamped position by the lever portion of the handle, continued movement of the handle to locked position results in the handle pulling the rear clamping lever from the unclamped to the clamped position.Type: ApplicationFiled: December 17, 2013Publication date: July 3, 2014Applicants: Robert Bosch GmbH, Robert Bosch Tool CorporationInventor: Ralph Dammertz
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Publication number: 20140130643Abstract: A guard device for a saw system in which the table saw is not operated without a saw blade guard, unless a user intends to make a non-through cut in a workpiece. The guard device, in one embodiment, determines whether an adjusted saw blade height corresponds to a thickness of the work piece to be cut and prevents the tool or motor driving the saw blade from operating if the saw blade is adjusted too high, in order to improve work conditions.Type: ApplicationFiled: November 12, 2013Publication date: May 15, 2014Applicants: Robert Bosch GmbH, Robert Bosch Tool CorporationInventors: Ralph Dammertz, Juergen Wiker
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Patent number: 8613328Abstract: The invention relates to a hand power tool, in particular a drill hammer and/or chipping hammer, comprising a hammer unit (10a; 10b) for producing a pulse in the direction of a hammer axis (12a; 12b). Said tool has an axial drive unit (14a; 14b) with a drive element (16a; 16b) and a motor unit (18a; 18b), in addition to a motor shaft (20a; 20b), which forms an angle (22a; 22b) not equal to zero with the hammer axis (12a; 12b) and which co-operates with the axial drive unit (14a; 14b) by means of a torque transmission wheel (24a; 24b) of said unit, the axial drive unit (14a; 14b) being mounted on the opposite side of the torque transmission wheel (24a; 24b) from the motor unit (18a; 18b). The driven element (16a; 16b) of the axial drive unit (14a; 14b) is mounted directly on the torque transmission wheel (24a; 24b).Type: GrantFiled: October 27, 2006Date of Patent: December 24, 2013Assignee: Robert Bosch GmbHInventors: Gerhard Meixner, Ralph Dammertz, Juergen Lennartz
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Patent number: 8522894Abstract: The invention is based on a power tool with at least one handle (10, 26, 50, 62, 104) that comprises at least one grip part (12, 72, 106) that is firmly connected to a mounting part (16, 70, 110) via at least one elastic, vibration-damping element (14, 24, 52, 108), via which the grip part (12, 72, 106) is affixable to a housing (60). It is proposed that the connection between the grip part (12, 72, 106) and the mounting part (16, 70, 110) is secured by means of the elastic element (14, 24, 52, 108) via at least one movable retaining element (20, 22, 28, 64, 112).Type: GrantFiled: May 25, 2001Date of Patent: September 3, 2013Assignee: Robert Bosch GmbHInventors: Ernst Kraenzler, Manfred Ruff, Harald Krondorfer, Ralph Dammertz, Joerg Goehner, Mario Frank, Franz Scheschark
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Publication number: 20130104714Abstract: A power tool includes a table structure defining a blade slot, a blade positioned within the blade slot, a motor assembly to rotate the blade, and a dust chute assembly. The dust chute assembly surrounds at least a portion of the blade and includes a plenum for receiving airflow scavenged from operation of the motor assembly and redirects the airflow to convey dust and debris from operation of the blade to a discharge outlet.Type: ApplicationFiled: October 31, 2011Publication date: May 2, 2013Applicants: Robert Bosch GmbH, Robert Bosch Tool CorporationInventors: Ralph Dammertz, Juergen Wiker
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Publication number: 20130092005Abstract: Provided is a table saw assembly including a base portion, a saw blade opening, a saw assembly and a first leg assembly. The base portion includes a base work piece support surface which defines a support plane. The base portion includes a lower surface opposite the base work piece support surface. The saw blade opening is defined in the base work piece support surface. The saw assembly includes a saw blade which is positionable to extend upwardly through the saw blade opening. The first leg assembly includes a first foot portion. The first leg assembly is pivotable between a first position and a second position. In the first position, the first foot portion is positioned lower than the lower surface of the base portion. In the second position, the first foot portion is positioned above the lower surface of the base portion.Type: ApplicationFiled: October 14, 2011Publication date: April 18, 2013Applicants: ROBERT BOSCH GMBH, ROBERT BOSCH TOOL CORPORATIONInventors: Juergen Wiker, Ralph Dammertz