Patents by Inventor William R. Stumpf
William R. Stumpf 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).
-
Publication number: 20230184236Abstract: A cordless compressor has an air storage tank, a pump for pressuring air within the air storage tank, a motor driving pump, a power tool battery pack connected to the motor, a discharge port connected to the air storage tank, and a regulator disposed between the discharge port and the air storage tank. The pump can raise the air pressure within the air storage tank from 0 psi to about 135 psi in less than 135 seconds. With such arrangement, a compressor having an air pressure within the air storage tank of 135 psi set at a 70 psi setting can power an 18 gauge nailer connected to the compressor to drive more than 1200 nails on a single battery charge.Type: ApplicationFiled: February 9, 2023Publication date: June 15, 2023Inventors: Lance S. HATHCOCK, Christina M. WILSON, Gary D. WHITE, William R. STUMPF
-
Patent number: 11635070Abstract: A cordless compressor has an air storage tank, a pump for pressuring air within the air storage tank, a motor driving pump, a power tool battery pack connected to the motor, a discharge port connected to the air storage tank, and a regulator disposed between the discharge port and the air storage tank. The pump can raise the air pressure within the air storage tank from 0 psi to about 135 psi in less than 135 seconds. With such arrangement, a compressor having an air pressure within the air storage tank of 135 psi set at a 70 psi setting can power an 18 gauge nailer connected to the compressor to drive more than 1200 nails on a single battery charge.Type: GrantFiled: September 13, 2018Date of Patent: April 25, 2023Assignee: BLACK & DECKER INC.Inventors: Lance S. Hathcock, Christina M. Wilson, Gary D. White, William R. Stumpf
-
Publication number: 20220265088Abstract: A food heating apparatus includes a housing, a conveyor assembly, a first heating element, a second heating element, a control unit, and a power source. The housing comprises a base portion and a top portion. The base portion forms a first interior space in which the conveyor assembly is located. The top portion forms a second interior space in which the second heating element is located. The top portion further forms a tunnel. The tunnel comprises an entrance and an exit. The conveyor assembly comprises a belt, a motor, a driving pulley, and a driven pulley. The belt comprises an upper food-carrying run and a lower return run. The control unit comprises a control circuit that is configured to control a speed of the motor.Type: ApplicationFiled: February 25, 2021Publication date: August 25, 2022Inventors: William R. Stumpf, Wendy Stumpf
-
Patent number: 10926385Abstract: A powered driving tool, such as a nailer, having a magnetic filter in the contact trip that retains ferrous debris remaining in the nosepiece as a result of a first fastener being driven into a workpiece, and allows the ferrous debris to be expelled from the nosepiece with a portion of a second fastener, when the second fastener is driven into a workpiece.Type: GrantFiled: February 20, 2018Date of Patent: February 23, 2021Assignee: Black & Decker, Inc.Inventors: Merrill Myers, Stuart E. Garber, Diego A. Tejada, William R. Stumpf
-
Publication number: 20190120222Abstract: A cordless compressor has an air storage tank, a pump for pressuring air within the air storage tank, a motor driving pump, a power tool battery pack connected to the motor, a discharge port connected to the air storage tank, and a regulator disposed between the discharge port and the air storage tank. The pump can raise the air pressure within the air storage tank from 0 psi to about 135 psi in less than 135 seconds. With such arrangement, a compressor having an air pressure within the air storage tank of 135 psi set at a 70 psi setting can power an 18 gauge nailer connected to the compressor to drive more than 1200 nails on a single battery charge.Type: ApplicationFiled: September 13, 2018Publication date: April 25, 2019Inventors: Lance S. Hathcock, Christina M. Wilson, Gary D. White, William R. Stumpf
-
Publication number: 20180243889Abstract: A powered driving tool, such as a nailer, having a magnetic filter in the contact trip that retains ferrous debris remaining in the nosepiece as a result of a first fastener being driven into a workpiece, and allows the ferrous debris to be expelled from the nosepiece with a portion of a second fastener, when the second fastener is driven into a workpiece.Type: ApplicationFiled: February 20, 2018Publication date: August 30, 2018Inventors: Merrill Myers, Stuart E. Garber, Diego A. Tejada, William R. Stumpf
-
Publication number: 20150114196Abstract: The miter saw includes a base assembly, a rotatable table rotatably connected to the base assembly and having a plane, a saw assembly including a motor and a blade disposed on an arbor, and a pivot arm pivotally attached to the table and supporting the saw assembly. The motor preferably drives a belt, which drives a first gear. The first gear meshes with an idler gear, which in turn meshes with a gear disposed on the arbor.Type: ApplicationFiled: May 19, 2014Publication date: April 30, 2015Inventors: Daryl S. Meredith, Thomas R. Kaye, Jr., Thomas Trevor Bludis, Maria I. Kenyon, William R. Stumpf, Michael L. O'Banion, Craig A. Oktavec, Stuart J. Wright, Mark E. Brunson, Carrie L. Puschmann
-
Patent number: 7861807Abstract: A cutting head for a drill bit has a body with an overall cruciform shape. One pair of opposing arms defines a main cutting edge. The other pair of opposing arms defines an auxiliary edge. The main cutting edge is defined by rake surfaces and relief surfaces. Each rake surface and relief surface is defined by a plurality of facets. The main cutting edge includes a chisel edge. A first pair of planar rake facets, one on each end of said chisel edge, and a first pair of planar relief facets, adjacent said chisel edge, defines a portion of the cutting edge. A remaining portion of the main cutting edge is defined at the apex of a plurality of curved rake facets and curved relief facets. The auxiliary edge is defined by a plurality of curved surfaces.Type: GrantFiled: December 3, 2008Date of Patent: January 4, 2011Assignee: Black & Decker Inc.Inventors: Florian Probst, Thomas J. Quinn, William R. Stumpf, Albert Leidl, Rudolf Jungwirth
-
Publication number: 20100135741Abstract: A cutting head for a drill bit has a body with an overall cruciform shape. One pair of opposing arms defines a main cutting edge. The other pair of opposing arms defines an auxiliary edge. The main cutting edge is defined by rake surfaces and relief surfaces. Each rake surface and relief surface is defined by a plurality of facets. The main cutting edge includes a chisel edge. A first pair of planar rake facets, one on each end of said chisel edge, and a first pair of planar relief facets, adjacent said chisel edge, defines a portion of the cutting edge. A remaining portion of the main cutting edge is defined at the apex of a plurality of curved rake facets and curved relief facets. The auxiliary edge is defined by a plurality of curved surfaces.Type: ApplicationFiled: December 3, 2008Publication date: June 3, 2010Applicant: Black & Decker Inc.Inventors: Florian Probst, Thomas J. Quinn, William R. Stumpf, Albert Leidl, Rudolf Jungwirth
-
Patent number: 7546790Abstract: A table saw including a base, a main table supported by the base, first and second rails attached to the table, a sliding table fixedly attached to the rails and sliding along the longitudinal axis of the rails and a cross-cut table slidably movable in a direction perpendicular to the longitudinal axis of the rails. The cross-cut table may be adjusted to ensure movement parallel to a blade protruding from the main table. An improved miter gauge assembly is also disclosed. An improved fence assembly is further disclosed herein. In addition, a table saw having an improved panel and leg construction is disclosed herein.Type: GrantFiled: October 6, 2006Date of Patent: June 16, 2009Assignee: Black & Decker Inc.Inventors: James Parks, Robert S. Gehret, Scott Livingston, Michael L. O'Banion, Robert P Welsh, William Scott Taylor, Todd L. Huston, Edwin G. Zehr, Scott Stropkay, David Louis Weissburg, Mark Allen Nichols, William R. Stumpf, Lewis Hampton Rohr, Henry Louis Tew, Thomas S. Paladino, Paul Eichelberger, David Edmund Duncanson, Jerry Wayne Holleman, Adan Ayala
-
Publication number: 20090120258Abstract: The miter saw includes a base assembly, a rotatable table rotatably connected to the base assembly and having a plane, a saw assembly including a motor and a blade disposed on an arbor, and a pivot arm pivotally attached to the table and supporting the saw assembly. The motor preferably drives a belt, which drives a first gear. The first gear meshes with an idler gear, which in turn meshes with a gear disposed on the arbor.Type: ApplicationFiled: December 6, 2008Publication date: May 14, 2009Inventors: Daryl S. Meredith, Thomas R. Kaye, JR., Thomas Trevor Bludis, Maria I. Kenyon, William R. Stumpf, Michael L. O'Banion, Craig A. Oktavec, Stuart J. Wright, Mark E. Brunson, Carrie L. Puschmann
-
Publication number: 20090120254Abstract: The table saw disclosed herein includes a table, a saw assembly pivotally attached to the table, the saw assembly comprising an arbor movable relative to the table, a bevel shaft operatively connected to the saw assembly for pivoting the saw assembly, and a height shaft operatively connected to the saw assembly for moving the arbor relative to the table, wherein distance between the height shaft and the table is larger than distance between the bevel shaft and the table.Type: ApplicationFiled: January 23, 2009Publication date: May 14, 2009Inventors: James R. Parks, Robert S. Gehret, William R. Stumpf, Frederick R. Bean, Daniel Puzio, Michael L. O'Banion, Lewis H. Rohr, Robert P. Welsh, Carl F. Merhar, III, Scott M. Livingston, David E. Duncanson, Adan Ayala
-
Publication number: 20080072717Abstract: A screwdriver bit has a shank with a polygonal portion and two ends. A tip projects from each of the ends. The tip has a length substantially equal to a depth of a slot of a desired fastener head. The shaft ends nest on the fastener head upon insertion of the tip into the fastener head slot.Type: ApplicationFiled: September 25, 2006Publication date: March 27, 2008Inventor: William R. Stumpf
-
Patent number: 7267038Abstract: The table saw disclosed herein includes a table, a saw assembly pivotally attached to the table, the saw assembly comprising an arbor movable relative to the table, a bevel shaft operatively connected to the saw assembly for pivoting the saw assembly, and a height shaft operatively connected to the saw assembly for moving the arbor relative to the table, wherein distance between the height shaft and the table is larger than distance between the bevel shaft and the table.Type: GrantFiled: April 25, 2005Date of Patent: September 11, 2007Assignee: Black & Decker Inc.Inventors: James R. Parks, Robert S. Gehret, William R. Stumpf, Frederick R. Bean, Daniel Puzio, Michael L. O'Banion, Lewis H. Rohr, Robert P. Welsh, Carl F. Merhar, III, Scott M. Livingston, David E. Duncanson, Adan Ayala
-
Patent number: 7252027Abstract: The miter saw includes a base assembly, a rotatable table rotatably connected to the base assembly and having a plane, a saw assembly including a motor and a blade disposed on an arbor, and a pivot arm pivotally attached to the table and supporting the saw assembly. The motor preferably drives a belt, which drives a first gear. The first gear meshes with an idler gear, which in turn meshes with a gear disposed on the arbor.Type: GrantFiled: January 24, 2002Date of Patent: August 7, 2007Assignee: Black & Decker Inc.Inventors: Daryl S. Meredith, Thomas R. Kaye, Jr., Thomas Trevor Bludis, Maria I. Kenyon, William R. Stumpf, Michael L. O'Banion, Craig A. Oktavec, Stuart J. Wright, Mark E. Brunson, Carrie L. Puschmann
-
Patent number: 7210385Abstract: A compound miter saw includes a table on which a workpiece is placed, a miter saw unit supporting a saw blade, and a housing pivotally supporting the miter saw unit related to the table in such a manner that the miter saw unit is at least laterally pivotable. Further, the miter saw includes a bevel mechanism for selectively determining the lateral position of the miter saw unit at any of a plurality of pivoted positions, including a vertical position where the saw blade is positioned substantially vertically relative to the table, and leftward and rightward pivoted positions where the blade is inclined laterally leftwardly and laterally rightwardly from the vertical position. The bevel mechanism includes a movable rod and three fixed stop members, the rod being operable to move between a first rod position abutting one of the fixed stop members and a second rod position not abutting the one of the fixed stop members so as to permit the lateral pivotal movement of the miter saw unit.Type: GrantFiled: November 15, 2005Date of Patent: May 1, 2007Assignee: Black & Decker Inc.Inventors: William R. Stumpf, Mark E. Brunson, Scott M. Livingston, Michael L. O'Banion, Robert G. Moores, Jr., John W. Miller, Daryl Meredith, Thomas Kaye, William G. Harman, Jr., Adan Ayala
-
Patent number: 7013781Abstract: A power tool includes a table. A shaft is disposed on the table and has an axis. A support housing supporting a motor and a working tool driven by the motor is disposed on the shaft adjacent to the table. The support housing is axially movable along the shaft and being laterally pivotable about an axis of rotation. A locking mechanism is further provided for locking the support housing at a predetermined lateral position, wherein the locking mechanism may include a handle disposed on the shaft, the handle being rotatable in two directions with respect to the table, such that, upon rotation of the handle in both directions from a neutral position, the handle urges the support housing into contact with the table. The shaft may be rotatable relative to the table. The locking mechanism may further include a first camming surface disposed on the table and a second camming surface disposed on the shaft and engaging the first camming surface.Type: GrantFiled: July 22, 2003Date of Patent: March 21, 2006Assignee: Black & Decker Inc.Inventors: Mark E. Brunson, William R. Stumpf, Adan Ayala
-
Patent number: 6990883Abstract: A compound miter saw includes a table on which a workpiece is placed, a miter saw unit supporting a saw blade, and a housing pivotally supporting the miter saw unit related to the table in such a manner that the miter saw unit is at least laterally pivotable. Further, the miter saw includes a bevel mechanism for selectively determining the lateral position of the miter saw unit at any of a plurality of pivoted positions, including a vertical position where the saw blade is positioned substantially vertically relative to the table, and leftward and rightward pivoted positions where the blade is inclined laterally leftwardly and laterally rightwardly from the vertical position. The bevel mechanism includes a movable rod and three fixed stop members, the rod being operable to move between a first rod position abutting one of the fixed stop members and a second rod position not abutting the one of the fixed stop members so as to permit the lateral pivotal movement of the miter saw unit.Type: GrantFiled: October 13, 2004Date of Patent: January 31, 2006Assignee: Black & Decker Inc.Inventors: William R. Stumpf, Mark E. Brunson, Scott M. Livingston, Michael L. O'Banion, Robert G. Moores, Jr., John W. Miller, Daryl Meredith, Thomas Kaye, William G. Harman, Jr., Adan Ayala
-
Patent number: 6971297Abstract: A guard assembly for a saw or other cutting device includes fixed and movable guards relatively pivotal by way of a linkage assembly having two links pivotally interconnected coaxially with a cam roller engageable with a cam surface for controlling relative guard movement. Other preferred features include a torsional coil guard return spring and spring enclosure that minimizes interference with workpiece cutting depth, an arbor shaft cover retention fastener that doubles, along with another caliper member, as a blade caliper set that prevents guard damage in the event of a bent or deflected blade or cutter, a drive assembly hold-down assembly for storage, and a horizontally-extending handle centered horizontally relative to the blade or cutter.Type: GrantFiled: October 27, 2000Date of Patent: December 6, 2005Assignee: Black & Decker Inc.Inventors: Daryl S. Meredith, Scott Price, William R. Stumpf
-
Patent number: 6907807Abstract: The table saw disclosed herein includes a table, a saw assembly pivotally attached to the table, the saw assembly comprising an arbor movable relative to the table, a bevel shaft operatively connected to the saw assembly for pivoting the saw assembly, and a height shaft operatively connected to the saw assembly for moving the arbor relative to the table, wherein distance between the height shaft and the table is larger than distance between the bevel shaft and the table.Type: GrantFiled: December 19, 2002Date of Patent: June 21, 2005Assignee: Black & Decker Inc.Inventors: James R. Parks, Robert S. Gehret, William R. Stumpf, Frederick R. Bean, Daniel Puzio, Michael L. O'Banion, Lewis H. Rohr, Robert P. Welsh, Carl F. Merhar, III, Scott M. Livingston, David E. Duncanson, Adan Ayala