Adjustable Angular Relationship Patents (Class 83/473)
-
Patent number: 11642732Abstract: The invention relates to an electric saw comprising: a frame (2) mounted on a base (1), a cutting head (3) mounted on the frame by using a rotating shaft (4) in the vertical direction and an adjustable stop (5) limiting the descent of the head and the cutting depth. The adjustable stop (5) comprises: a rod (51) mounted in a through manner, with the possibility of longitudinal sliding, in a passage (53) defined in the cutting head (3) and facing a fixed stop (21) defined in the frame (2); and a screw (54) for lateral tightening and fixing of the rod (51) inside the passage (53). The screw (54) comprises an actuation knob (55) and is threadedly mounted in a hole defined in the cutting head (3) and leading into the mounting passage (53) of the rod (51).Type: GrantFiled: November 5, 2021Date of Patent: May 9, 2023Assignee: GERMANS BOADA, S.A.Inventors: Miguel Angel Sarmiento, Alek Ipatenko
-
Patent number: 11135664Abstract: A table saw includes a table that defines a saw blade slot and a first trunnion member defining a first axis point of a bevel pivot axis, wherein the first trunnion member supports a saw carriage. The table saw further includes a first mounting arrangement configured to fix the first trunnion member to the table in an engaged state of the first mounting arrangement, and a horizontal axis alignment arrangement configured, in a disengaged state of the first mounting arrangement, to inhibit lateral movement of the first trunnion member and to allow vertical movement of the first trunnion member.Type: GrantFiled: August 27, 2019Date of Patent: October 5, 2021Assignees: Robert Bosch Power Tools GmbH, Robert Bosch GmbHInventor: Stephen C. Oberheim
-
Patent number: 10835971Abstract: A cross-cutting circular saw device comprising: a frame (1); a guide (10) carried by the frame (1) and adapted to span an object (5) to be cross-cut by sawing; a carriage (3) mounted for reciprocal movement along the guide (10); at least one circular saw blade (4A, 4B) carried by the carriage (3); a motor (11) for moving the carriage (3) and rotating said at least one saw blade (4A, 4B), said motor (11) being fixed to the frame (1); a first transmission (2) arranged between the motor (11) and the carriage (3) for transforming an output of the motor to a reciprocating movement of the carriage (3) along the guide (10); and a second transmission (8, 9) arranged between the carriage (3) and the at least one saw blade (4A, 4B) for transforming the reciprocating movement of the carriage (3) to a rotation of said at least one saw blade (4A, 4B).Type: GrantFiled: October 13, 2016Date of Patent: November 17, 2020Assignee: IKEA Supply AGInventors: Bengt Andreasson, Tomas Andreasson
-
Patent number: 10421183Abstract: The invention relates to apparatus (2) for use with one or a number of modules (71, 74, 78, 86) comprising a base (60) with, or for the receipt of a power tool (72, 76, 80,88). The module base (60) is received in a recess, aperture (14) or slot defined in a frame (12). Engagement means (68) are provided to allow the module (71, 74, 78, 86) to be releasably engaged in position, guide means (142) to allow the accurate introduction and removal of the module (71, 74, 78, 86) from the frame (12) and adjustment means (61) to allow the position of the base (60) of the module (71, 74, 78, 86), and typically the top surface (66) of the same, to be adjusted with respect to the frame (12) and typically the top surface (64) of the frame (12).Type: GrantFiled: March 6, 2014Date of Patent: September 24, 2019Assignee: POWER BOX AGInventors: Robert Firth, Marcus Nicholson
-
Patent number: 10391568Abstract: A power tool system comprises (i) at least one power tool, in particular a circular saw, having at least one tool support unit for supporting a tool during machining and at least one displaceably mounted tool guiding unit, and (ii) at least one power tool separation device which is arranged on the tool guiding unit. The power tool separation device comprises at least one cutting unit and at least one guide unit for guiding the cutting unit.Type: GrantFiled: March 2, 2012Date of Patent: August 27, 2019Assignee: Robert Bosch GmbHInventor: Rudolf Fuchs
-
Patent number: 9981326Abstract: Table saws and table saws designed to incorporate safety systems are disclosed. The table saws may include vertical slide elevation mechanisms positioned toward the rear of the saw and constructed so that an arbor block and blade can retract when a safety system detects an unsafe condition. Other table saw parts and components are also disclosed.Type: GrantFiled: August 18, 2009Date of Patent: May 29, 2018Assignee: SawStop Holding LLCInventors: Stephen F. Gass, J. David Fulmer, William L. Emery, Paul H. Stasiewicz
-
Patent number: 9962852Abstract: A miter saw has a base assembly and a rotatable table disposed on the base assembly. The rotatable table is rotatable about a substantially vertical miter axis and has a substantially horizontal workpiece-supporting plane. A saw assembly is connected to the table and includes a blade. The blade is movable downwardly from a first position where the blade is above the workpiece-supporting plane to a second position where a portion of the blade is below the workpiece-supporting plane. The base assembly has a top surface and a first handle disposed on the top surface, with a first hole on the top surface extending through the base assembly, the first hole being configured to allow a user to extend the user's hand therethrough and grip the first handle.Type: GrantFiled: August 24, 2015Date of Patent: May 8, 2018Assignee: BLACK & DECKER INC.Inventors: Aris C. Cleanthous, Christian V. Elder, Christopher T. King
-
Patent number: 9873157Abstract: A sawing apparatus for sawing workpieces of wood or plastic material has an adjustable frame part and a drive motor. A circular saw blade is operatively connected to the drive motor and drivable in rotation by the drive motor about an axis of rotation of the circular saw blade. The circular saw blade is adjustable from a ready position into a working position. The ready position is selected as a function of a position of the adjustable frame part such that the circular saw blade carries out a minimized angular travel as working travel during sawing. The adjustable frame part is adjustable at least in a vertical direction and/or in a horizontal direction transverse to the axis of rotation of the circular saw blade as a function of a cross-section of a workpiece to be sawed.Type: GrantFiled: April 1, 2016Date of Patent: January 23, 2018Assignee: Weinig Dimter GmbH & Co. KGInventors: Alois Heinz, Georg Reinbold
-
Patent number: 9840020Abstract: A miter saw has a base assembly and a rotatable table disposed on the base assembly. The rotatable table is rotatable about a substantially vertical miter axis and has a substantially horizontal workpiece-supporting plane. A saw assembly is connected to the table and includes a blade. The blade is movable downwardly from a first position where the blade is above the workpiece-supporting plane to a second position where a portion of the blade is below the workpiece-supporting plane. The base assembly has a top surface and a first handle disposed on the top surface, with a first hole on the top surface extending through the base assembly, the first hole being configured to allow a user to extend the user's hand therethrough and grip the first handle.Type: GrantFiled: August 24, 2015Date of Patent: December 12, 2017Assignee: BLACK & DECKER INC.Inventors: Aris C. Cleanthous, Christian V. Elder, Christopher T. King
-
Patent number: 9776260Abstract: A table saw has a base assembly, a table assembly supported by the base assembly, and a saw assembly supported by at least one of the table assembly and the base assembly. The saw assembly includes a saw blade extending through the table assembly. The base assembly has at least one tube connected to the table assembly.Type: GrantFiled: January 6, 2012Date of Patent: October 3, 2017Assignee: Black & Decker Inc.Inventors: Robert P. Welsh, Kathy E. DiPasquale, Daniel N. Lopano, John E. Buck, Carl F. Merhar, III, Yung Ho Chang, Nicholas E. Achterberg
-
Patent number: 9541234Abstract: A measuring machine includes a measuring device and a protective cover covering the measuring device. The measuring device is configured to measure parameters of a work piece. The measuring device includes a control box, a supporting board, a light ring configured to illuminate the work piece, and a camera module configured to obtain images of the work piece. The cover is made of non-transparent material. A first side of the cover defines a cut-out and a first slot. A second side of the cover opposite to the first side defines a second slot corresponding in size and alignment with the first slot. One side of the control box is exposed from the cut. Two ends of the supporting board are positioned on the first and second slots and exposed from the first and second slots.Type: GrantFiled: February 28, 2014Date of Patent: January 10, 2017Assignees: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Chih-Kuang Chang, Zhong-Kui Yuan, Jun-Hua Li, Yu Jin, Hui Zhang
-
Patent number: 9505068Abstract: A power tool includes a support arrangement and a work surface that is supported by the support arrangement and that includes a top surface having an opening configured to receive a rotatable blade. The power tool also includes a cutting assembly that is supported by the support arrangement and that includes a motor, a drive shaft driven by the motor, and the rotatable blade rotated by the drive shaft. The power tool also includes a height adjustment mechanism coupled to the support arrangement and to the cutting assembly. The height adjustment mechanism is configured to move the cutting assembly upwardly and downwardly relative to the top surface. The height adjustment mechanism includes a threaded shaft, at least one nut threadably coupled to the threaded shaft, and at least one connection member rotatably coupled to the at least one nut and to the cutting assembly.Type: GrantFiled: March 13, 2014Date of Patent: November 29, 2016Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbHInventor: Andrew Frolov
-
Patent number: 9314858Abstract: A table miter saw includes a motor assembly and tilt plate assembly holding a blade within a table slot. The blade is mounted to the motor below a table supported by a glide assembly situated within a frame. A handle assembly and the tilt plate assembly are attached to the glide assembly and move the blade longitudinally within the slot. Control knobs operate a shaft to move gears within the tilt plates and change the angle of the blade. A brake lock assembly locks the angle of the blade. The height of the blade is set using a blade height lock in connection with the handle assembly. Mirrored miter fences are connected to the table top with gears for uniform angle change.Type: GrantFiled: August 12, 2011Date of Patent: April 19, 2016Inventor: James T. Rowe
-
Patent number: 9174289Abstract: A saw has a base assembly, a saw assembly pivotally mounted on the base assembly, a motor mounted within the saw assembly, and a drive spindle rotatably driven by the motor via a drive mechanism. The drive mechanism has a rotatable output shaft, a first drive wheel mounted on the output shaft, a rotatable intermediate shaft, a first driven wheel mounted on the intermediate shaft, a first drive belt wrapped around the first drive wheel and first driven wheel for transfer rotary motion of the output shaft to the intermediate shaft, a second drive wheel mounted on the intermediate shaft, a second driven wheel mounted on the drive spindle, and a second drive belt wrapped around the second drive wheel and second driven wheel for transferring rotary motion of the intermediate shaft to the drive spindle.Type: GrantFiled: July 22, 2013Date of Patent: November 3, 2015Assignee: Black & Decker Inc.Inventors: Lucio Ginocchini, Marcello Bettacchini, Mirco Rossetti
-
Patent number: 9016180Abstract: A tile saw includes a base, a frame assembly disposed on the base, a first rail disposed on the frame assembly, the first rail having a longitudinal axis. A table is slidingly disposed on the first rail and a support assembly is disposed on the base. A saw assembly is supported by the support assembly and includes a motor, and a cutting wheel driven by the motor. The saw assembly is pivotable about a bevel axis substantially parallel to the longitudinal axis between two pivoted positions and is lockable in at least one of the two pivoted positions. The bevel axis is not coplanar with the upper surface.Type: GrantFiled: September 13, 2012Date of Patent: April 28, 2015Assignee: Black & Decker Inc.Inventors: Gregg L. Sheddy, James D. Schroeder, Peter Chaikowsky, Darren B. Moss, Warren A. Ceroll, Stuart J. Wright, William D. Spencer, Jiangang Zhao, William S. Taylor, Frank A. Mannarino
-
Publication number: 20150059548Abstract: A cutting device may include an electric motor, a cutting blade, a clamp device and a drive system. The clamp device may include a first flange and a second flange configured to clamp the cutting blade therebetween. The drive system may transmit rotation of the electric motor to the cutting blade via the first flange.Type: ApplicationFiled: August 12, 2014Publication date: March 5, 2015Inventor: Toshiyuki KANI
-
Publication number: 20150000493Abstract: A table saw including a horizontally disposed table surface with an elongated blade slot, mounted beneath the table surface is a traversing mechanism comprising a carriage coupled to linear guide rails and linear actuator to movably advance and retreat the carriage supporting the blade in a traversing path generally parallel to the blade slot. A tilt plate pivotally mounted to the carriage supports a blade drive assembly for providing a means to rotate the blade and adjust the blade height. The saw blade protrudes through the elongated slot to cut a work-piece on the table surface whereby stationary and moving work-piece operations may be executed. A tilting mechanism, also supported by the carriage, having a linear actuator in a translating engagement with the tilt plate rotate the tilt plate about its pivot axis relative to the carriage to set the blade to the angle desired by the user for beveled cuts.Type: ApplicationFiled: June 29, 2013Publication date: January 1, 2015Inventors: Mark Fianza Boseman, John Fianza Boseman
-
Publication number: 20140311312Abstract: A table saw includes a support arrangement and a table top assembly including a work piece support surface defining a plane and a saw blade opening in the work piece support surface. An undercarriage assembly, mounted to the table top assembly, supports a saw blade in an adjustable angular position and includes a motor assembly and an arbor shaft to support the saw blade in the saw blade opening. The bevel pivoting mechanism is configured to increase a distance between the motor or arbor shaft and the plane of the work piece support surface with a change to the angular position of the saw blade to substantially prevent the motor or arbor from contacting the table top assembly.Type: ApplicationFiled: March 7, 2014Publication date: October 23, 2014Applicants: Robert Bosch GmbH, Robert Bosch Tool CorporationInventors: Andrew Frolov, Brian Taylor
-
Patent number: 8850940Abstract: A miter saw for use with a miter saw stand includes a base having a first clamping surface, a second clamping surface, and a first actuator. The miter saw further includes a turntable rotatable in relation to the base and having a work piece support surface. The miter saw also includes a support assembly attached to the turntable, and a cutting assembly attached to the support assembly and positioned over the turntable. The first actuator is movable between a first position and a second position. Movement of the first actuator from the first position towards the second position causes the first clamping surface to move toward the second clamping surface.Type: GrantFiled: June 7, 2011Date of Patent: October 7, 2014Assignee: Robert Bosch GmbHInventors: Matthew Michael Rybka, Garth William Prince
-
Patent number: 8776655Abstract: A worktable for a circular saw includes a rotatable table defining a cutting groove, two movable fences arranged on the rotatable table at two opposed sides relative to the cutting groove, and a connection member connected between the two movable fences. The connection member has an arc-shaped locating groove and is adapted for engagement with a guide member of the rotatable table so that when the rotatable table is rotated, the guide member engages and applies a force to the wall of the arc-shaped locating groove, causing the two movable fences to be moved relative to the cutting groove, and therefore the two movable fences are maintained spaced away from the cutting groove at a distance without interfering with the operation of the saw blade.Type: GrantFiled: December 22, 2011Date of Patent: July 15, 2014Assignee: Rexon Industrial Corp., Ltd.Inventor: Yi-Yuan Lin
-
Patent number: 8677872Abstract: A sawing machine having a miter angle adjustment assembly includes a machine base, a worktable rotatably connected to the machine base and rotatable about an axis, a cutter unit mounted to the worktable, a tightening member to lock movement of the worktable relative to the machine base and a driving device set. The driving device set includes a driving member pivotally mounted to the worktable and an eccentric member coaxially rotatable with the driving member to move the tightening member. The eccentric member is controllable by the driving member to rotate between a first position and a second position to move the tightening member into engagement with or away from the machine base.Type: GrantFiled: March 28, 2011Date of Patent: March 25, 2014Assignee: Rexon Industrial Corp., Ltd.Inventor: Cheng-Hung Chiu
-
Patent number: 8616104Abstract: A table saw includes a support arrangement, a table top assembly connected to the support arrangement, the table top assembly having (i) a work piece support surface, and (ii) a saw blade opening defined in the work piece support surface, a saw assembly supported under the table top assembly including a saw blade, and a saw assembly adjustment mechanism having a user actuator. The user actuator causes movement of the saw blade in relation to the work piece support surface. A first extension element extends from the support arrangement and defines a first extension space, and a second extension element extends from the support arrangement and defines a second extension space, wherein a first protection zone is defined between the first extension space and the second extension space, and wherein the actuator is completely contained within the first protection zone.Type: GrantFiled: July 12, 2010Date of Patent: December 31, 2013Assignee: Robert Bosch GmbHInventors: Andrew Frolov, Jason Feldner, Carl Cepress
-
Patent number: 8607679Abstract: A laminate flooring saw system which can be used for both rip cuts and miter cuts in one embodiment includes a first power switch proximate the saw and movable with the saw along a support arm; a second power switch that is not movable with the saw along the support arm; and a third switch movable between a first position wherein application of energy to the saw is dependent upon the position of the second power switch and independent of the position of the first power switch and a second position wherein application of energy to the saw is dependent upon the position of both the first power switch and the second power switch.Type: GrantFiled: May 25, 2012Date of Patent: December 17, 2013Assignee: Robert Bosch GmbHInventors: Christopher Heflin, Gregg M. Mangialardi, Cui Ke, Matthew M. Rybka, P. Sean Gallagher, Bryan M. Shova, Donald J. Staufenberg
-
Patent number: 8561513Abstract: A miter saw for cutting a workpiece is disclosed. The miter saw has a base section, a holder section, a saw blade section, a saw blade support section, and a guide bar. The base section has an upper surface for supporting a workpiece to be cut. The holder section stands from the base portion. The saw blade section has a circular saw blade for cutting the workpiece. The saw blade support section pivotably supports the saw blade section. The guide bar slidably supports the saw blade support section. The guide bar is slidably supported by the holder section. The guide bar extends substantially parallel to the upper surface of the base section. The saw blade support portion is slidable along the guide bar.Type: GrantFiled: August 11, 2011Date of Patent: October 22, 2013Assignee: Hitachi Koki Co., Ltd.Inventors: Shigeharu Ushiwata, Ryuichi Imamura, Hideaki Terashima
-
Patent number: 8522658Abstract: A table saw is disclosed. The table saw includes a table top including an opening configured to receive a saw blade, a blade case positioned under the table top, the blade case including an interior portion with the saw blade partially positioned within the interior portion, the blade case configured to move relative to the table top, a motor coupled to the saw blade and configured to move relative to the table top, the saw motor configured to rotate the blade about a blade axis, and at least one moveable guard member positioned between the table top and the blade case, the at least one moveable guard member providing an obstruction to the interior portion of the blade case, and the at least one moveable guard member configured to pivot about a pivot axis when the motor is moved up or down or tilted relative to the table top, wherein the pivot axis is substantially perpendicular to the blade axis.Type: GrantFiled: August 13, 2010Date of Patent: September 3, 2013Assignee: Robert Bosch GmbHInventor: Andrew Frolov
-
Patent number: 8495939Abstract: A table saw includes a table capable of supporting a workpiece, a cutting unit and a positioning fence. The positioning fence has a positioning surface for supporting the workpiece. The positioning surface is divided into an upper positioning surface and a lower positioning surface that are positioned above the table. First slide fences allocated to the lower positioning surface and second slide fences allocated to the upper positioning surface are slidably supported in a table surface direction relatively independent from each other. The positioning surfaces of the first and second slide fences constitute an entire region of the positioning surface. In this way, the entire region of the positioning surface is made to be slidable in accordance with various operation modes.Type: GrantFiled: March 19, 2009Date of Patent: July 30, 2013Assignee: Makita CorporationInventors: Toshiyuki Kani, Masahiko Miura, Shinya Kojima, Kenji Abe
-
Patent number: 8490528Abstract: A cutting device includes a positioning mechanism for positioning a cutting unit at a plurality of tilt angles including a first tilt angle and a second tilt angle in a left direction and/or a right direction. The first tilt angle is larger than the second tilt angle. A setting state for the first tilt angle is reset to a setting state for the second tilt angle when a positioning state at the first tilt angle is released.Type: GrantFiled: August 17, 2010Date of Patent: July 23, 2013Assignee: Makita CorporationInventor: Syuji Aoyama
-
Publication number: 20130098217Abstract: A table saw has a base assembly, a table assembly supported by the base assembly, and a saw assembly supported by at least one of the table assembly and the base assembly. The saw assembly includes a saw blade extending through the table assembly. The base assembly has at least one tube connected to the table assembly.Type: ApplicationFiled: January 6, 2012Publication date: April 25, 2013Inventors: Robert P. Welsh, Kathy E. DiPasquale, Daniel N. Lopano, John E. Buck, Carl F. Merhar III, Yung Ho Chang, Nicholas E. Achterberg
-
Patent number: 8413562Abstract: A slide circular saw comprises a base, a saw blade rotatably driven by a motor, and a main body including the saw blade. The slide circular saw is configured to be capable of automatically changing a cutting depth between in a vertical cut and a bevel cut operations. A chamfered part where a lower limit position setting bolt abuts in a vertical cut operation and a peripheral surface part where the lower limit position abuts in a bevel cut operation are provided at a rod of the slide circular saw. The peripheral surface part has a lower limit position of the saw blade being higher than that of the chamfered part. Position of the rod can be switched between a first position where the chamfered part abuts the lower limit position setting bolt when the main body is in a vertical cut position and a second position where the peripheral surface part abuts the lower limit position setting bolt when the main body is in a bevel cut position.Type: GrantFiled: August 21, 2009Date of Patent: April 9, 2013Assignee: Makita CorporationInventor: Toshiyuki Kani
-
Patent number: 8302519Abstract: A power tool includes an electric motor, a motor housing in which the electric motor is at least partially positioned, a blade drivably coupled to the motor for rotation about a first axis, and a blade housing in which the blade is at least partially positioned. The blade and the blade housing are pivotably coupled to the motor housing about a second axis substantially parallel to the first axis.Type: GrantFiled: January 14, 2009Date of Patent: November 6, 2012Assignee: Techtronic Power Tools Technology LimitedInventors: Robert E. McCracken, Ryan T. Harrison
-
Patent number: 8266994Abstract: Embodiments of a power miter saw of the type which has an upper fixed blade guard for encasing upper reaches of an installed saw blade without encasing the blade arbor, and a lower swinging blade guard for covering the lower reaches of an installed blade when saw is in its rest position and for exposing the saw blade when moved to its operational position, the saw comprising an elongated linkage mechanism having opposite end portions interconnecting a frame support and the lower blade guard for moving the lower blade guard in response to movement of the saw between the rest and operational positions, such that the lower blade guard covers the lower reaches of the blade when the saw is in its rest position and uncovers the lower reaches of the blade when the saw is moved to its operational position, the linkage mechanism being configured to be selectively detachable from the frame support, thereby enabling the lower blade guard to be placed in at least first and second positions wherein the first position enabType: GrantFiled: April 29, 2009Date of Patent: September 18, 2012Assignee: Robert Bosch GmbHInventor: Matthew D. Cox
-
Patent number: 8266996Abstract: Embodiments of the invention comprise an adjustable fence assembly for use with a power tool, that further comprise an elongated lower fence for attachment to the power tool, the lower fence having a base with an upper support and locking surface configuration extending along a substantial portion of the length of the base and a vertical front face for positioning a work piece, an elongated upper fence having a bottom surface configuration for engaging the surface configuration of the lower fence, the upper fence being releasably attached to the lower fence and adjustable relative to the lower fence along its lengthwise direction, and a locking mechanism carried by the lower fence and operatively connected to the upper fence for selectively applying at least a downward force and a face biasing force for securing the upper fence to the lower fence.Type: GrantFiled: July 24, 2008Date of Patent: September 18, 2012Assignee: Robert Bosch GmbHInventors: Adam Thomas, Kenneth N. Svetlik
-
Patent number: 8191449Abstract: The present invention is directed toward a repositioning device for a tool such as miter saw. The device includes a tool platform rotationally coupled to a base platform via a reorientation mechanism. The tool platform supports the miter saw. The base platform connects directly to a workbench, or connects to a support assembly that supports the cutting tool on a supporting surface.Type: GrantFiled: January 27, 2009Date of Patent: June 5, 2012Assignee: Black and DeckerInventor: Steven R. Wiezorek
-
Patent number: 8166860Abstract: The present invention is directed toward a system for forming miter joints including a miter saw and an angle gauge. The miter saw includes a platform with a kerf slot and a pair of arcuate slots. Each arcuate slot includes an associated rail located on the underside of the platform. A fence is coupled to each of the rails such that the fence may be pivoted with respect to the platform. The angle measurement tool is a one-handed tool including spring loaded paddles that measure the angle between intersecting surfaces. The angle measurement tool connects to the miter saw to permit the transfer of the measured angle to the fences.Type: GrantFiled: August 2, 2010Date of Patent: May 1, 2012Assignee: Black and DeckerInventors: Louis Gibbons, Gregory S. Snider, Frederick R. Bean, Terry L. Turner, Steven McClaskey, Robert H. Gifford
-
Patent number: 8161859Abstract: A miter saw which prevents deterioration in perpendicularity of a cutting blade to the upper surface of a base part when slide of a pipe is regulated by pressing a pipe. In a miter saw, a pair of pipes support a cutting part, on one end side. On the other end side, the pipes are surrounded and supported slidably by a first slide support part of a support member of a turntable. A virtual plane including the axes of the pair of pipes is substantially parallel to the pivotal direction of a disc saw blade. A first screw is screwed in the first slide support part. An end part of the first screw contacts and presses a pipe. This end part is engaged with the pipe so as to restrict slide of the pipe relative to the first slide support part.Type: GrantFiled: November 2, 2010Date of Patent: April 24, 2012Assignee: Hitachi Koki Co., Ltd.Inventors: Shigeharu Ushiwata, Hideaki Terashima, Ryuichi Imamura, Toshihiko Hayashizaki
-
Publication number: 20120048090Abstract: A power tool control system includes a non-contact measurement and alignment device operative with the power tool and enabled to establish various readings, such as power tool settings. A graphical user interface communicatively coupled with the non-contact measurement and alignment device enables user control over and display of the readings from the non-contact measurement and alignment device. Related table saw assemblies are disclosed in which, for example, a bevel angle of a saw blade may be adjusted.Type: ApplicationFiled: August 23, 2011Publication date: March 1, 2012Applicant: CHANG TYPE INDUSTRIAL COMPANYInventors: Mark A. Etter, Jaime E. Garcia, Kathy DeKeyser, Alan Phillips, Robert F. Burkholder, Jeffrey D. Weston, Melinda J. Hearn
-
Publication number: 20120048089Abstract: Embodiments of a power saw are disclosed which comprise a base structure including a generally flat top having an upper work surface with the top having an opening through which a circular blade can extend, a relatively narrow box-like undercarriage pivotably mounted to the base around a pivot axis to provide an adjustable bevel angle of the blade relative to the top, and a motor saw assembly comprising an arbor shaft for mounting a circular blade thereon, a drive motor having an output shaft extending generally parallel to the plane of the blade, the output shaft being oriented 90 degrees relative to the arbor shaft, a speed reducing gear train interconnecting the output shaft and the arbor shaft, a gear housing enclosing the gear train, the motor saw assembly being adjustably mounted to the undercarriage to vary the portion of the blade that extends above the upper work surface.Type: ApplicationFiled: August 31, 2010Publication date: March 1, 2012Applicants: ROBERT BOSCH GMBH, ROBERT BOSCH TOOL CORPORATIONInventor: Andrew Frolov
-
Patent number: 8122802Abstract: A power saw includes a saw assembly attached to a base assembly with an offset support that provides a clear path in line with the saw blade, thereby providing a miter saw, a table saw or a radial arm saw The height of the offset support is adjustable to make dado cuts, and a tilt mechanism is mounted at the top of the offset support to provide an “apparent” tilt axis near the top surface of the turntable, thereby eliminating an axle near the turntable top surface. A first fence used for miter cuts may be moved or removed during table cut operations. Alternatively, a reversible fence may be used for miter cuts when configured and affixed to the base assembly in a first position, and may be used for table or radial cuts when configured and affixed to the base assembly in a second position.Type: GrantFiled: October 21, 2004Date of Patent: February 28, 2012Inventor: Lawrence Lacy
-
Patent number: 8122807Abstract: Table saws are disclosed. The table saws may include a circular blade, an elevation mechanism configured to raise and lower the blade relative to the work surface; and a spring to provide a force biasing the blade up or down relative to the work surface. The spring may be a gas spring connected between a trunnion and an elevation plate.Type: GrantFiled: May 3, 2010Date of Patent: February 28, 2012Assignee: SD3, LLCInventors: Stephen F. Gass, J. David Fulmer, David A. Fanning
-
Publication number: 20120036976Abstract: A table saw is disclosed. The table saw includes a table top including an opening configured to receive a saw blade, a blade case positioned under the table top, the blade case including an interior portion with the saw blade partially positioned within the interior portion, the blade case configured to move relative to the table top, a motor coupled to the saw blade and configured to move relative to the table top, the saw motor configured to rotate the blade about a blade axis, and at least one moveable guard member positioned between the table top and the blade case, the at least one moveable guard member providing an obstruction to the interior portion of the blade case, and the at least one moveable guard member configured to pivot about a pivot axis when the motor is moved up or down or tilted relative to the table top, wherein the pivot axis is substantially perpendicular to the blade axis.Type: ApplicationFiled: August 13, 2010Publication date: February 16, 2012Applicants: ROBERT BOSCH GMBH, ROBERT BOSCH TOOL CORPORATIONInventor: Andrew Frolov
-
Patent number: 8100041Abstract: A miter saw including a base, a turntable, a support section extending from the turntable, and a circular saw unit supported to the support section. A rotation amount detection unit detects rotation amount of the turntable relative to the base. The turntable has a tilt support, and the support section has a tilting section supporting the circular saw unit and supported to the tilt support. A tilting amount detection unit detects tilting amount of the tilting section relative to the tilt support. The turntable has a microcomputer computing a rotation angle of the turntable and tilting angle of the circular saw unit, and a RAM storing the detected rotation amount and the tilting amount installed therein. A battery unit is provided in the turntable for supplying electrical power to electronic components including the rotation amount detection unit, the tilting amount detection unit, and the microcomputer.Type: GrantFiled: June 30, 2005Date of Patent: January 24, 2012Assignee: Hitachi Koki Co., Ltd.Inventors: Hideaki Terashima, Nobuhiro Takano, Yoshikazu Kawano
-
Patent number: 8069762Abstract: The invention is based on a machine tool, in particular a circular power saw, for machining a workpiece, having a covering (10) for guarding a user against machining residues of the workpiece that occur in operation and having an adjustable residue guide (12, 14) for carrying away at least some of the machining residues through an outlet opening in a defined direction in accordance with the position of the residue guide (12, 14). It is proposed that the residue guide is adjustable in such a way that in one position of the residue guide (12, 14), at least some of the machining residues are carried onward inside the covering (10).Type: GrantFiled: March 31, 2008Date of Patent: December 6, 2011Assignee: Robert Bosch GmbHInventors: Ulrich Bohne, Heiko Roehm
-
Patent number: 8069761Abstract: A saw with a base assembly, a table pivotably attached to the base assembly, a housing pivotably attached to the table, at least one rail slidably connected to the housing, and a saw assembly disposed on the at least one rail. The saw assembly includes a motor, and a blade driven by the motor. The saw also includes a dust collector attached to the saw assembly, the dust collector having a tube that extends through the housing.Type: GrantFiled: March 23, 2006Date of Patent: December 6, 2011Assignee: Black & Decker Inc.Inventors: Mark E. Brunson, Frederick R. Bean, Craig A. Oktavec, Daryl S. Meredith, Thomas R. Kaye, Jr., James R. Parks, Lee M. Brendel
-
Patent number: 8061250Abstract: A miter saw includes a base section having a front side and a rear side defining a first direction, and having a right side and a left side those defining a second direction. A holder is movably supported to the rear side of the base section and pivotable in the second direction. A fixing mechanism fixes a pivot position of the holder relative to the base section. A guide bar section includes two guide bars supported to the holder and extending in the first direction. A saw blade support section is disposed slidable with respect to the guide bars and selectively position-fixable with respect to the guide bars. A saw blade section which is pivotably supported accommodates a motor and rotatably supports a circular saw blade driven by the motor.Type: GrantFiled: March 14, 2005Date of Patent: November 22, 2011Assignee: Hitachi Koki Co., Ltd.Inventors: Shigeharu Ushiwata, Takamoto Horiuchi, Ryuichi Imamura
-
Publication number: 20110232449Abstract: A sawing machine having a miter angle adjustment assembly includes a machine base, a worktable rotatably connected to the machine base and rotatable about an axis, a cutter unit mounted to the worktable, a tightening member to lock movement of the worktable relative to the machine base and a driving device set. The driving device set includes a driving member pivotally mounted to the worktable and an eccentric member coaxially rotatable with the driving member to move the tightening member. The eccentric member is controllable by the driving member to rotate between a first position and a second position to move the tightening member into engagement with or away from the machine base.Type: ApplicationFiled: March 28, 2011Publication date: September 29, 2011Applicant: REXON INDUSTRIAL CORP., LTD.Inventor: Cheng-Hung CHIU
-
Patent number: 8011283Abstract: A desk-top cutting machine which includes a base that supports a wood material W and a turntable that has a rotating shaft part and is carried and supported on the base rotatably around the rotating shaft part. The desk-top cutting machine further includes a cutting part having a swinging shaft part. The cutting part is disposed on the turntable and supports a cutting blade, and swings the cutting blade approachably to and separably from the turntable. The desk-top cutting machine further includes a scale part and an indicator part which display a rotary angle of the turntable with the base, and an irradiation unit near the indicator part emitting light that illuminates the indicator part.Type: GrantFiled: October 31, 2007Date of Patent: September 6, 2011Assignee: Hitachi Koki Co., Ltd.Inventor: Kouji Takase
-
Patent number: 8006596Abstract: A cutting tool in accordance with the invention may include an arbor lock, located within its housing, for preventing the arbor from rotating to assist an operator in installing, removing or replacing the saw blade. The cutting tool may also include an internal storage compartment for storing items or equipment, including those for use in connection with the cutting tool, an internal mobility system to assist the operator in moving the cutting tool when desired, and a cutting implement angle memory indicator for aiding the operator in keeping track of a desired cutting implement position. The cutting tool may also be provided with a sturdy bench top extension extending out from the cutting tool housing which the operator may use to perform a variety of workshop tasks including some not related to the use of the cutting tool itself.Type: GrantFiled: March 10, 2006Date of Patent: August 30, 2011Assignee: Walter Meier (Manufacturing) Inc.Inventors: Barry M. Schwaiger, William J. Phillips
-
Patent number: 7997177Abstract: A miter saw for cutting a workpiece is disclosed. The miter saw has a base section, a holder section, a saw blade section, a saw blade support section, and a guide bar. The base section has an upper surface for supporting a workpiece to be cut. The holder section stands from the base portion. The saw blade section has a circular saw blade for cutting the workpiece. The saw blade support section pivotably supports the saw blade section. The guide bar slidably supports the saw blade support section. The guide bar is slidably supported by the holder section. The guide bar extends substantially parallel to the upper surface of the base section. The saw blade support portion is slidable along the guide bar.Type: GrantFiled: September 2, 2005Date of Patent: August 16, 2011Assignee: Hitachi Koki Co., Ltd.Inventors: Shigeharu Ushiwata, Ryuichi Imamura, Hideaki Terashima
-
Patent number: 7992479Abstract: A table saw includes a base assembly, a table assembly supported by the base assembly, a saw assembly connected to at least one of the base assembly and the table assembly, the saw assembly having a blade extending through the table assembly, a height adjustment assembly for adjusting the height of the blade, the height adjustment assembly comprising a height adjustment wheel, and bevel adjustment assembly for adjusting the bevel angle of the blade, the bevel adjustment assembly comprising a bevel adjustment wheel. The height and bevel adjustment wheels are disposed at the front of the base assembly. The position of the height and bevel adjustment wheels relative to the front of the base assembly does not change regardless of the blade height and bevel angle.Type: GrantFiled: July 8, 2008Date of Patent: August 9, 2011Assignee: Black & Decker Inc.Inventors: Jeremy J. Burke, Jaime E. Garcia, Jeffrey D. Weston, Craig A. Carroll, Peter Chaikowsky
-
Patent number: RE44057Abstract: A cutting device includes a base, a swivel seat rotatably mounted on the base and having a first end and a second end, and a blade holder releasably engaged with the second end of the swivel seat. A blade is rotatably held by the blade holder. The blade holder is pivotable relative to the swivel seat for cutting when the blade holder is engaged with the second end of the swivel seat. An inclination of the blade relative to the swivel seat is adjustable when the blade holder is disengaged from the second end of the swivel seat. An operative rod is mounted to the first end of the swivel seat and operably connected to the blade holder for controlling releasable engagement between the blade holder and the swivel seat.Type: GrantFiled: August 25, 2009Date of Patent: March 12, 2013Assignee: Black & Decker Inc.Inventor: Lee-Cheng Chang