Patents Assigned to Robert Bosch Tool Corporation
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Patent number: 10427227Abstract: A method of resetting a drop arm assembly in a power tool assembly from a first drop arm assembly position whereat a portion of a shaping device mounted on the drop arm assembly does not extend above a workpiece support surface, includes removing a throat plate from a throat plate opening, moving at least a portion of a blade wrench downwardly through the throat plate opening, operably coupling the blade wrench with an arbor shaft of a drop arm assembly, releasing a first latch from engagement with a drop arm frame of the drop arm assembly after removing the throat plate, pulling the coupled blade wrench in an upwardly direction to a second drop arm assembly position whereat the portion of the shaping device extends above a workpiece support surface, and latching the drop arm assembly at the second drop arm assembly position with a second latch.Type: GrantFiled: March 4, 2016Date of Patent: October 1, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: Robert S. Doumani, Eric Laliberte, Timothy Szweda, Mark Talesky
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Patent number: 10423653Abstract: A computing system includes a processor system with at least one processing unit. The processor system is configured to receive image data of a template platform that is associated with fabricating a product. The processor system is configured to obtain barcode data associated with the image data. The processor system is configured to obtain customized data from the image data based on the barcode data. The customized data includes shape data corresponding to a structural attribute of the product. The processor system is configured to obtain template data of the product based on the barcode data. The template data includes product design data. The processor system is configured to provide fabrication data for a digital fabrication system to create the product in accordance with at least the customized data and the product design data. The processor system is configured to transmit the fabrication data to at least one fabrication tool of the digital fabrication system to create the product.Type: GrantFiled: June 1, 2017Date of Patent: September 24, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: Jeremy Rubens, Jordan Majstorovic
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Patent number: 10413979Abstract: A power tool has a base defining a work surface, a rotary cutting blade extending through an opening in the work surface, a drive motor for imparting rotational movement to the cutting blade and a power train coupled between the drive motor and the cutting blade to transmit rotation movement from the drive motor to the cutting blade. A swing arm assembly carries the cutting blade and is pivotably supported on the base at a pivot axis. In one aspect of the present disclosure, the power tool includes a safety system operable in response to an emergency signal that includes a mechanism for stopping the rotation of the cutting blade, whereby the rotational inertia of the cutting blade is converted after the rotation is stopped to pivoting of the swing arm assembly carrying the blade when the rotation of the blade is stopped.Type: GrantFiled: August 5, 2016Date of Patent: September 17, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: Andrew Frolov, Gary L. Voong
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Patent number: 10381856Abstract: A wireless charging system for a power tool includes a charging module, docking frame, and tool holder. The charging module has a charging surface and an inductive charging device for charging a power tool resting on the charging surface, and is mounted in the docking frame, which is mounted in a mounting interface of the tool holder such that the charging surface is at an angle. The tool holder further includes a holding portion extending from a downward portion of the mounting interface such that the holding portion transversely supports the power tool. A soft insert structure received in the holding portion forms an interference fit with the power tool and applies a load to the power tool toward the charging surface that urges the power tool to an optimal location for charging, relative to the inductive charging device.Type: GrantFiled: October 2, 2015Date of Patent: August 13, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: Yizhuo Zhang, Marco Laubach, Steve Cole
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Patent number: 10369688Abstract: A support frame for a power tool includes a top configured to support a table top and a bottom arranged opposite and parallel to the top. The bottom is configured to support the support frame on a surface when the support frame is in a first position. The support frame further includes a side arranged between the top and the bottom and configured to support the support frame on the surface when the support frame is in a second position. When the support frame is in the first position and the second position, the table top is spaced apart from the surface.Type: GrantFiled: December 9, 2015Date of Patent: August 6, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventor: Jan Koegel
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Patent number: 10369642Abstract: A power tool assembly includes a drop arm assembly movable along a drop plane, an actuating device configured to transfer a force to the drop arm assembly to force the drop arm assembly along the drop plane, and a tool control unit assembly configured to control the power tool assembly, the tool control unit assembly including a printed circuit board (PCB) generally defining a PCB plane which is not perpendicular to the drop plane.Type: GrantFiled: March 4, 2016Date of Patent: August 6, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: Eric Laliberte, Timothy Szweda
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Patent number: 10369640Abstract: A powered saw including a saw blade configured to cut a workpiece and driven by a drive train having a narrow profile. The powered saw includes a miter saw having a chain drive disposed in a housing having a narrow profile. The powered saw includes a blade support assembly configured to reduce or eliminate interference between a workpiece and the powered saw. The miter saw enables a user to make right angle cuts, left angle cuts, and zero cuts of tall and atypically sized workpieces.Type: GrantFiled: December 8, 2014Date of Patent: August 6, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventor: Plamen V. Marinov
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Patent number: 10363609Abstract: A tool holding system for a rotary power tool is configured to clamp around a working tool when the working tool is inserted in the tool holding system. The tool holding system includes a sleeve having a frustroconical inner surface portion, a collet having frustoconical outer surface portion complementary to the inner surface portion, a spring mount operably connected to a motor for rotation by the motor, and a spring. The spring includes a first end portion operably connected to the collet to bias the collet toward a first position whereat the outer surface portion engages the inner surface portion, and a second end portion rotationally fixed with respect to the spring mount.Type: GrantFiled: April 5, 2017Date of Patent: July 30, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: Jeremy Rubens, Chris Dvorak
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Patent number: 10350745Abstract: A gravity locking system includes a mounting structure and an article which includes an alignment structure, gravity load structure, and locking structure. The alignment structure is fixed to the article and aligns the article with the mounting structure. The gravity load structure is movable on the article and biased toward an unrestrained position. As the article moves toward the mounting structure, the gravity load structure moves away from the unrestrained position. The locking structure is movable on the article such that movement of the gravity load structure away from and toward the unrestrained position corresponds with movement of the locking structure toward and away from a closed position respectively. When weight of the article is supported by the gravity load structure on the mounting structure, the locking structure is urged against the mounting structure to lock the locking mechanism.Type: GrantFiled: October 28, 2015Date of Patent: July 16, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventor: Xusheng Zhang
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Patent number: 10328545Abstract: An attachment for a sanding tool includes a first portion and a second portion. The first portion has a generally tubular shape that defines a mounting end portion for mounting the attachment on the sanding tool. The second portion defines a distal end portion of the attachment and a plurality of slits. The slits extend along an axial direction of the attachment to divide the second portion into flaps configured to axially flex and define a contoured sanding surface along the axial direction.Type: GrantFiled: August 10, 2016Date of Patent: June 25, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventor: Jeremy Rubens
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Patent number: 10330258Abstract: A power tool (200) includes a moving implement (222) and an ultrasonic transducer (226) that emits ultrasonic signals and receives echo return signals from an object (224, 229) that reflects the ultrasonic signals. A controller (240) identifies a distance between the implement and the object and identifies a type of the object based on the echo return signals from the object. The controller activates an implement arrest mechanism (236) in response to the distance between the object and the ultrasonic transducer being less than a predetermined threshold and the type of the object corresponding to a portion of a human body.Type: GrantFiled: December 12, 2014Date of Patent: June 25, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: Bharadwaja Maharshi Ramaswamy, Vishwanatha Manevarthe Srikantiah, Niranjan Sathyanarayanarao Krishnarao
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Patent number: 10328507Abstract: An airflow management system for a table saw includes an elongated hollow member and a dust cap. The elongated hollow member includes a first prong and a second prong, the first and second prongs being configured to be positioned adjacent a saw blade on opposite sides of a saw blade plane in which the saw blade is positioned. The first and second prongs define an opening and a partially enclosed space, in which an airflow channel is defined, therebetween. The dust cap is attached to the elongated hollow member and includes a hose connection fluidly connected to the airflow channel of the elongated hollow member and configured to connect to a vacuum source to pull air from the airflow channel through the hose connection.Type: GrantFiled: December 17, 2014Date of Patent: June 25, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventor: Jan Koegel
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Patent number: 10322522Abstract: An object detection system in a saw includes an electrically conductive plate positioned at a predetermined distance from the implement, a detection circuit comprising a transformer, and a single cable connecting first terminal and second terminals of the transformer. The single cable includes a first conductor electrically connected to the first terminal of the winding and to the electrically conductive plate, a second conductor electrically connected to the implement, and an electrical insulator positioned between the first conductor and the second conductor.Type: GrantFiled: March 4, 2016Date of Patent: June 18, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: John DeCicco, Eric Laliberte, Timothy Szweda, Brian Taylor, Dieter Volpert, Gary L. Voong
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Patent number: 10300540Abstract: A rotatable member is mountable on a tabletop of a power tool apparatus. The rotatable member includes a first work surface and a second work surface. The first work surface is on a first side of the rotatable member. The second work surface is on a second side of the rotatable member. The second side is different from the first side. The rotatable member is configured to move into a first position such that the first work surface is level with a surface of the tabletop. In addition, the rotatable member is configured to move into a second position such that the second work surface is level with the surface of the tabletop.Type: GrantFiled: June 26, 2017Date of Patent: May 28, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventor: Matthew M. Rybka
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Patent number: 10293472Abstract: A power tool includes a housing, an output shaft, and a tool holder connected to the output shaft. A rotor assembly is attached to the output shaft that is configured to be acted on by a fluid flow through the housing to cause rotation of the output shaft. A centrifugally movable fluid flow governor is coupled to the output shaft that is configured to move outwardly from the output shaft to alter a force acting on the rotor assembly when the output shaft reaches a predetermined speed.Type: GrantFiled: May 16, 2015Date of Patent: May 21, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: Bradley D. Padget, Daniel Blythe
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Patent number: 10293419Abstract: An accessory tool for an oscillating power tool includes a blade portion including a first lateral edge portion, a second lateral edge portion, and a leading edge portion, the leading edge portion defining a cutting edge. A reinforcement structure extends linearly across the blade portion from a first position located on the leading edge portion proximate the first lateral edge portion to a second position located on the second lateral edge portion and spaced apart from the leading edge portion. The reinforcement structure defines a cutting zone that encompasses a leading region of the blade portion between the reinforcement structure and the leading edge portion, the reinforcement structure being configured to increase a stiffness of the blade portion.Type: GrantFiled: June 17, 2015Date of Patent: May 21, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: Jeremy Rubens, Brad Padget
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Patent number: 10286539Abstract: A power tool includes a housing and a hook assembly. The hook assembly includes a hook support and a hook member. The hook support is rotatably attached to the housing for rotation about a first axis. The hook member has a shank portion and a hook portion. The shank portion defines a second axis that is transverse to the first axis and is configured to rotate with respect to the hook support about the second axis.Type: GrantFiled: October 4, 2016Date of Patent: May 14, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: Noel Francis, Brady Groth, Marco Laubach
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Patent number: 10286463Abstract: An apparatus includes a table assembly, a bevel post, a bevel pin, a spring, a locking arm, and a lever. The table assembly includes a table portion with a work surface and a hub portion with a first clamping surface. The bevel post includes a second clamping surface. The bevel pin pivotally connects the bevel post to the hub portion. The spring is configured to bias a movement of the bevel pin. The locking arm is configured to (i) disengage the spring such that the bevel pin releases the table assembly from the bevel post and (ii) engage the spring such that the bevel pin moves the table assembly towards the bevel post. The lever is movable between an unlocked position to provide an unclamped state and a locked position to provide a clamped state with respect to the first and second clamping surfaces.Type: GrantFiled: December 27, 2016Date of Patent: May 14, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventor: Plamen V. Marinov
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Patent number: 10265787Abstract: A power saw includes a bevel member and a cutting assembly pivotably connected to the bevel member. The cutting assembly includes a blade, a blade guard at least partially covering the blade, and at least one machined cutting assembly surface. A laser alignment device is connected to the cutting assembly. The laser alignment device includes a laser body fixed to a slideable carriage having a machined carriage surface that directly engages the machined cutting assembly surface. The slideable carriage is configured to move relative to the machined cutting assembly surface with substantially only one degree of freedom defined by an axis of translation.Type: GrantFiled: April 28, 2010Date of Patent: April 23, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventors: Michael J. Lawlor, Srinath Srinivas, Matthew D. Cox, Zhao Rui, Pan Huaping, Brian H. Chung, Wojciech T. Pierga
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Patent number: 10245663Abstract: A table saw includes a lower guard assembly, a first airflow fan, a motor, and a drivetrain system. The lower guard assembly has a dust exhaust chute and is configured to at least partially enclose a lower portion of a saw blade. The first airflow fan is positioned in the lower guard assembly and is configured to produce a first airflow directed through the lower guard assembly toward the dust exhaust chute. The motor is configured to rotationally drive an output shaft, and the drivetrain system connects the output shaft to the first airflow fan and the saw blade to enable the motor to rotationally drive the first airflow fan and the saw blade simultaneously.Type: GrantFiled: December 17, 2014Date of Patent: April 2, 2019Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventor: Jan Koegel