In Support Surface Patents (Class 269/293)
  • Patent number: 11924929
    Abstract: A ceramic heater includes a ceramic plate having a wafer placement surface, a tubular shaft having one end that is bonded to a rear surface of the ceramic plate on an opposite side to the wafer placement surface, a within-shaft region of the rear surface of the ceramic plate, an elongate hole extending from a start point in an outer peripheral portion of the within-shaft region to a terminal end position in the outer peripheral portion of the ceramic plate, and a thermocouple guide that guides a tip end of an outer-peripheral-side thermocouple to come into the start point of the elongate hole. A portion of the thermocouple guide, the portion extending from the other end (lower end) of the tubular shaft to the start point of the elongate hole, is formed in a shape following an inner wall of the tubular shaft.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: March 5, 2024
    Assignee: NGK INSULATORS, LTD.
    Inventors: Daisuke Tsunekawa, Shuichiro Motoyama
  • Patent number: 11874180
    Abstract: A ceramic heater includes a ceramic plate having a surface that serves as a wafer placement surface, resistance heating elements that are embedded in the ceramic plate, a tubular shaft that supports the ceramic plate from a rear surface of the ceramic plate, and a thermocouple passage that extends from a start point in a within-shaft region of the rear surface of the ceramic plate, the within-shaft region being surrounded by the tubular shaft, to a terminal end position in an outer peripheral portion of the ceramic plate. The thermocouple passage includes a stepped portion formed at an intermediate position between the start point and the terminal end position, a long-distance portion extending from the start position to the terminal end position, and a short-distance portion extending from the start position to the intermediate position.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: January 16, 2024
    Assignee: NGK INSULATORS, LTD.
    Inventor: Ryohei Matsushita
  • Patent number: 11483901
    Abstract: A ceramic heater includes a ceramic plate having a wafer mounting surface and having a resistive heating element embedded in the plate; and a ceramic tubular shaft having a tubular shape and bonded to a back surface of the plate. The plate has a circular recess with a bottom in the back surface thereof. The tubular shaft has a plate-side flange extending radially outward from an outer peripheral surface of a plate-side end portion. An entire end surface of the plate-side end portion of the tubular shaft is bonded to a bonding region of the back surface of the plate outside the circular recess. The opening diameter d1 of the plate-side end portion of the tubular shaft, the inner diameter d2 of the plate-side flange of the tubular shaft, and the diameter D1 of the circular recess of the plate satisfy d2?d1?D1.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: October 25, 2022
    Assignee: NGK Insulators, Ltd.
    Inventor: Yutaka Unno
  • Patent number: 10702951
    Abstract: A laser machine includes a laser head that machines a planar workpiece in a machining region while moving relative to the workpiece, a workpiece rack that is able to travel with the workpiece placed thereon, and an elevator that is able to locate the workpiece in the machining region by raising and lowering the workpiece rack with the workpiece placed thereon.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: July 7, 2020
    Assignee: Murata Machinery, Ltd.
    Inventor: Koji Ozeki
  • Patent number: 10456947
    Abstract: A clamping device for an adjustable stop of a processing machine for guiding workpieces through the processing machine is provided with at least one clamping part that clamps the stop against at least one counter stop. The clamping part is provided on a transmission element, wherein the transmission element is acted upon with a force (F1) that is converted into a clamping force (F2) acting upon the clamping part. A release unit is provided for releasing the clamping action. The transmission element is a two-armed lever, one arm of which is acted upon with the force (F1) in the form of a compressive force and the other arm of which generates the clamping force (F2).
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: October 29, 2019
    Assignee: Michael Weinig AG
    Inventors: Hermann Marquardt, Walter Rapp, Ralf Wagner
  • Publication number: 20150115515
    Abstract: An abutment member having an abutment section abutting a work stand on which a workpiece to which an arm performs work is placed is provided on a front surface of a robot body.
    Type: Application
    Filed: October 16, 2014
    Publication date: April 30, 2015
    Inventor: Masaru TAKAHASHI
  • Patent number: 8960658
    Abstract: Embodiments of the present invention comprise a platform attachment for use with a power hand tool which has a housing with a front nose portion with a rotary output shaft extending therefrom, and a tool holding mechanism on the output shaft for holding a tool, the attachment comprising a mounting component having an opening generally aligned with the output shaft through which a tool can extend, a platform component having a base portion and a platform portion, the base portion being adjustably attached to the mounting component, the platform portion having an outer generally planar main surface that is perpendicular to the axis and having an opening through which a tool can extend, and a generally planar secondary surface that extends downwardly from the main surface at a predetermined angle relative to the axis, and a mechanism for releasably locking the platform component on the mounting component.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: February 24, 2015
    Assignee: Robert Bosch GmbH
    Inventors: Thomas C. Vasis, Daniel J. Williams
  • Patent number: 8899566
    Abstract: A cutting board wherein a pair of opposed posts are attached near an edge of a top cutting surface and include facing closed slots therein. A retaining bar is located in the slots in the opposed posts and a compression spring provides a downward bias to the retaining bar in a manner which enables the retaining bar to move vertically with respect to the cutting surface. The apparatus facilitates cutting a variety of items using a preferred type of knife commonly referred to as a chef's knife. When an item to be cut is placed on the cutting surface of the board, and the point of the knife engage the retaining bar, the cutting of an item is enhanced and facilitated through the lever action of the knife and the biased retaining bar serving as a fulcrum.
    Type: Grant
    Filed: July 6, 2010
    Date of Patent: December 2, 2014
    Inventor: Graham Noel Drummond
  • Patent number: 8727330
    Abstract: A variety of work stands and support assemblies for supporting workpieces such as pipes, are described. The work stands include a base plate and a welding stand-off or grounding lug, at which an electrical grounding cable can be readily attached.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: May 20, 2014
    Assignee: Emerson Electric Co.
    Inventors: James E. Hamm, Christopher R. Miller, Robert Skrjanc
  • Publication number: 20130285302
    Abstract: A modular workbench device is provided having an elongated work surface comprising a first and second side surface situated on either side of a central surface, the surfaces being supported in an elevated position by a workbench frame. The central surface includes an upper and lower side and a hingeable connection to the workbench frame, wherein the surface can be rotated upwards to reveal its lower side. The upper side of the central surface provides a clean work area for a user to engage work pieces thereupon. The lower side of the central work surface provides a power tool mounting frame that allows for connection to a power router tool or power circular saw tool for work piece cutting. The working end of the power tool extends through the central surface, while the mounting plate secures the base or shoe of the tool in a stable configuration during use.
    Type: Application
    Filed: April 30, 2013
    Publication date: October 31, 2013
    Inventor: Donald Helm
  • Publication number: 20130036587
    Abstract: An apparatus for replacing or changing a shaving blade secured or securable to a blade holder beam of an ice resurfacing machine via a plurality of screws, and including a blade carrier. For each of the screws, the blade carrier is provided with a respective fixing element configured to cooperate with a head of that screw. The fixing elements reliably fix these screws in a prescribed position.
    Type: Application
    Filed: August 10, 2012
    Publication date: February 14, 2013
    Inventor: Michael Hoffmann
  • Publication number: 20120211933
    Abstract: A ceramic heater includes a disk-shaped ceramic plate and a shaft. The ceramic plate includes a wafer-placing surface. The shaft has a hollow shape and is bonded to a surface of the ceramic plate opposite to the wafer-placing surface. A thermocouple conduit is formed in the ceramic plate so as to extend from a central portion of the ceramic plate to a position which is short of an outer peripheral surface of the ceramic plate. A thermocouple guide having a pipe-like shape is attached to the back surface of the ceramic plate. A guide hole in the thermocouple guide is connected to a portion of the thermocouple conduit at the central portion of the ceramic plate. The guide hole is disposed so as to be inclined with respect to the direction in which the thermocouple conduit extends.
    Type: Application
    Filed: April 30, 2012
    Publication date: August 23, 2012
    Applicant: NGK Insulators, Ltd.
    Inventor: Yoshinobu GOTO
  • Publication number: 20120175834
    Abstract: A variety of work stands and support assemblies for supporting workpieces such as pipes, are described. The work stands include a base plate and a welding stand-off or grounding lug, at which an electrical grounding cable can be readily attached.
    Type: Application
    Filed: January 12, 2011
    Publication date: July 12, 2012
    Applicant: EMERSON ELECTRIC CO.
    Inventors: James E. Hamm, Christopher R. Miller, Robert Skrjanc
  • Publication number: 20120091646
    Abstract: A cutting board wherein a pair of opposed posts are attached near an edge of a top cutting surface and include facing closed slots therein. A retaining bar is located in the slots in the opposed posts and a compression spring provides a downward bias to the retaining bar in a manner which enables the retaining bar to move vertically with respect to the cutting surface. The apparatus facilitates cutting a variety of items using a preferred type of knife commonly referred to as a chef's knife. When an item to be cut is placed on the cutting surface of the board, and the point of the knife engage the retaining bar, the cutting of an item is enhanced and facilitated through the lever action of the knife and the biased retaining bar serving as a fulcrum.
    Type: Application
    Filed: July 6, 2010
    Publication date: April 19, 2012
    Inventor: Graham Noel Drummond
  • Publication number: 20120074635
    Abstract: Embodiments of the present invention comprise a platform attachment for use with a power hand tool which has a housing with a front nose portion with a rotary output shaft extending therefrom, and a tool holding mechanism on the output shaft for holding a tool, the attachment comprising a mounting component having an opening generally aligned with the output shaft through which a tool can extend, a platform component having a base portion and a platform portion, the base portion being adjustably attached to the mounting component, the platform portion having an outer generally planar main surface that is perpendicular to the axis and having an opening through which a tool can extend, and a generally planar secondary surface that extends downwardly from the main surface at a predetermined angle relative to the axis, and a mechanism for releasably locking the platform component on the mounting component.
    Type: Application
    Filed: September 29, 2010
    Publication date: March 29, 2012
    Applicants: ROBERT BOSCH TOOL CORPORATION
    Inventors: Thomas C. Vasis, Daniel J. Williams
  • Publication number: 20110316211
    Abstract: A table which supports work pieces includes a base with a first part and a second part hinged together so that the second part may be swung up and away from the standing surface for storage and be swung down to engage the standing surface. A support column is secured to the base and coupled to a brace member which is foldable between a first state when the second part is in contact with the standing surface and a second state when the second part is not in contact with the standing surface. The table includes a work platform that is coupled to the central support column and rotatable between a horizontal orientation parallel to the standing surface and a non-horizontal orientation. The work platform is configured to have work stations which receive and mount work pieces so that the work pieces are secured to the work platform in both the horizontal and non-horizontal orientations.
    Type: Application
    Filed: June 25, 2010
    Publication date: December 29, 2011
    Inventor: Robert B. Halladay
  • Publication number: 20110254213
    Abstract: The subject invention provides a portable saw table assembly for cutting a material longitudinally, laterally, and at various angles thereto. The assembly includes a first and a second table rail being parallel and spaced from each other and each extending between a proximal end and a distal end. A saw rail is moveably supported by the first and the second table rails for moving longitudinally along the table rails between the proximal and the distal ends and a mounting plate is moveably supported by the saw rails to allow movement of the mounting plate laterally along the saw rail between the first table rail and the second table rail. A saw plate is rotatably supported by the mounting plate for carrying a saw to cut the material. A guide bar is disposed diagonally relative to the first and the second table rails and engages the saw plate to guide the saw plate diagonally in response to simultaneous movement of the saw rail longitudinally and the mounting plate laterally.
    Type: Application
    Filed: April 19, 2011
    Publication date: October 20, 2011
    Applicant: TAPCO INTERNATIONAL CORPORATION
    Inventors: J. Richard Logan, Clyde G. Allen, Michael C. Clark
  • Publication number: 20110180981
    Abstract: The present invention provides, in at least one embodiment, a multipurpose cutting board and food preparation device. The device comprises a housing structure, a rail disposed on one edge of the housing structure, interchangeable color coded cutting boards, and a detachable cutting assembly. The cutting assembly may include interchangeable blades tailored for specific types of food cuts, e.g., julienne and chopping, slicing, and dicing. The cutting assembly provides an additional cutting option and flexibility with the interchangeable blades. The housing structure includes a storage area for storing the interchangeable color coded cutting boards not in use. The storage area promotes better organization of the cutting boards and the color coding helps identify the appropriate cutting board for the task.
    Type: Application
    Filed: January 26, 2011
    Publication date: July 28, 2011
    Inventors: Robert Radi, Qimim Wang
  • Patent number: 7957830
    Abstract: A customer transmits their 3D CAD file for a part to be total profile machined. Computer analysis of the transmitted CAD file produces CNC machining instructions, which are transmitted back to an address defined by the customer. The customer can then use the transmitted CNC machining instructions to total profile machine their own part using their own CNC mill at the location where the part is likely needed. The transmitted instructions include not only the tool paths for CNC machining of the total profile of the part, but also for additional features formed into the encircling portion of a material block from which the part is to be total profile machined. For instance, the CNC machining instructions transmitted back to the customer can define a registration recess and/or channels or undercuts for fluid support material on an A-side of a material block. After the A-side of the block is machined, the customer adds and solidifies fluid support material into the machined recess.
    Type: Grant
    Filed: June 10, 2008
    Date of Patent: June 7, 2011
    Assignee: Proto Labs, Inc.
    Inventors: Lawrence J. Lukis, Yuri A. Dreizin, Gregory M. Bloom
  • Patent number: 7661241
    Abstract: A new and improved single tool or jig which is universally useable in connection with the fabrication or trimming of left and right side edge portions of stair tread components, left and right end portions of stair tread side edge plank components, and stair riser components, so as to permit all of such components to be properly mated together in order to impart to the exposed or open stair members a seamless finished appearance.
    Type: Grant
    Filed: April 18, 2005
    Date of Patent: February 16, 2010
    Assignee: Illinois Tool Works Inc.
    Inventors: Anatoly Gosis, Richard L. Edwards, Howard W. Kimball, Anthony Brent Marshall
  • Patent number: 7169346
    Abstract: In an apparatus for manufacturing pressware containers from container blanks there is provided a plurality of inertial blank stop pins disposed so as to position a container blank prior to press forming. The stop pins are rotatable in order to absorb the kinetic energy of the container blanks as they are fed to the apparatus and eliminate blank bounce. In a further aspect of the invention there is provided a method of forming plates utilizing the improved apparatus including the inertial blank stop pins.
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: January 30, 2007
    Assignee: Dixie Consumer Products LLC
    Inventors: Albert D. Johns, Mark B. Littlejohn, Mircea T. Sofronie
  • Patent number: 6588738
    Abstract: A laser cutting system has a specially designed frame that allows the laser cutting head to be mounted to the underside of a cross beam for a more efficient movement. The frame is further designed so as to allow the accessing of the work area of the laser cutting system along three different directions. The movement of the laser cutting head for fabricating a sheet placed in the work area of the laser cutting system is effected by a process that takes into consideration a number of parameters and determined data all of which are interpolated for generating optimal movements to further enhance the operating efficiency of the laser cutting system. The laser resonator of the laser cutting system of the instant invention is configured to have a telescopic system that maintains the density and power of the laser beam by auto focusing the same so that optimum cuts can be effected irrespective of whichever area of the worksheet is to be fabricated.
    Type: Grant
    Filed: July 23, 1999
    Date of Patent: July 8, 2003
    Assignee: Lillbacka Jetair Oy
    Inventors: Jorma Sukuvaara, Gilbert Remue, Frank Heyerick, Johannes Ulrich
  • Patent number: 6343784
    Abstract: A device that allows the treatment of a substrate in a machine provided for the treatment of bigger substrates and a mounting system for a substrate in this device. The device comprises a ring (24) having an external diameter equal to the diameter of these substrates, this ring being capable of setting the substrate (22) of smaller diameter. The system includes means (34) of manipulating this substrate and means (36) of heating the ring or of cooling this substrate. Application in micro-electronics.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: February 5, 2002
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Dominique Jourde, Gérard Turc
  • Patent number: 6095025
    Abstract: A handling and supporting structure (10) for cutting machines, applicable in particular to machines that perform water jet cutting operations on leathers, hides and synthetic materials, has a plurality of comb-like elements (12), obtained starting from a reduced thickness sheet. These elements are parallel with one another and/or differently oriented, and are formed by approached and aligned needles (20), whose sides decrease in width from the portion near the base (12') from which they develop vertically up to the top of the structure. The structure also has a supporting frame for the comb-like elements (12), made up by two or more laminations (14) of any form and size, vertically and transversally arranged relatively to the elements (12).
    Type: Grant
    Filed: October 20, 1997
    Date of Patent: August 1, 2000
    Assignee: ATOM S.p.A.
    Inventor: Ernesto Mirabello
  • Patent number: 6019359
    Abstract: A weld platen includes a top plate welded to a fabricated support frame. The support frame includes component parts that are interconnected into a lattice structure that provides the top plate with rigidity and flatness. The top plate includes top access holes for conventional clamps and a matrix of work piece alignment holes. The support frame in conjunction with the top plate provides several holes through which the clamps can extend and grip to clamp a work piece against the top plate.
    Type: Grant
    Filed: February 22, 1999
    Date of Patent: February 1, 2000
    Inventor: David E. Fly
  • Patent number: 5944303
    Abstract: A work holder for internal combustion engine heads in which an upper platen is adapted to be fixedly retained vis-a-vis an underlying platen so that an operator can contact the head operatively coupled to the upper platen for work thereon for crack repair.
    Type: Grant
    Filed: December 5, 1996
    Date of Patent: August 31, 1999
    Assignee: Louis A. Rollins
    Inventor: Gary Jack Reed
  • Patent number: 5899445
    Abstract: An apparatus for supporting and vacuum chucking a work piece have a mounting surface, a surface having a spaced array of apertures defined therein which are operatively connected to a vacuum source. The apparatus also contains a plurality of fixed pods each seated over and surrounding one of a apertures, said pods having an upper surface for supporting a work piece above the mounting surface and further having a hollow interior adapted to receive an accessory therein to transmit the vacuum to the work piece and locking components for fixing the pods to mounting surface.
    Type: Grant
    Filed: October 14, 1997
    Date of Patent: May 4, 1999
    Inventor: Alvin J. Kimble
  • Patent number: 5888301
    Abstract: The tile-holding fixture has a fixture wall with an adhesive mask opening therein. Stops adjacent the opening permit positioning of a tile on the face of the wall while tile adhesive is applied by the applicator through the mask opening. The fixture also has a scraper wall provides the combined function of scraping adhesive from the applicator and resting the applicator. The interior of the fixture serves as a reservoir for tile adhesive so that the proper amount of adhesive can be quickly and accurately applied.
    Type: Grant
    Filed: May 16, 1998
    Date of Patent: March 30, 1999
    Inventor: James W. Jamieson
  • Patent number: 5885353
    Abstract: Apparatuses are provided for thermally conditioning material. The apparatus includes a plate having a top surface for receiving material, a temperature controller connected to control the temperature of the top surface of the plate and the temperature controller is controlled by a computer controller. In a preferred embodiment, three tubular shaped ceramic support members, each containing a bore, are provided to support the material and a negative pressure source is provided in fluid communication with the bores. In addition, three lift elements having contacting ends are slidably disposed through receiving holes in the thermal conditioning plate and aligned to support the material on the contacting ends.
    Type: Grant
    Filed: June 21, 1996
    Date of Patent: March 23, 1999
    Assignee: Micron Technology, Inc.
    Inventors: Timothy A. Strodtbeck, John S. Molebash, Bruce L. Hayes, Rex A. Smith, Shawn D. Davis
  • Patent number: 5853270
    Abstract: A drill jig assembly for drilling holes in an extruded aluminum shape; including a metal channel base, a plastic plate having upright hole patterns and a plurality of position pins located in the holes for positioning the shape widthwise for drilling, and an extension arm for positioning a stop pin against which the shape can be positioned lengthwise for drilling. This jig is used principally for drilling assembly holes in an aluminum window vertical frame piece to correspond to a pair of spaced sprues in the horizontal frame piece and different positioning pins are required for different shapes and different hole patterns in the plate likewise are required to accommodate for different shapes.
    Type: Grant
    Filed: August 2, 1996
    Date of Patent: December 29, 1998
    Assignee: Precision Glass and Storefront, Inc.
    Inventors: Brent C. Salley, Harry N. Windle
  • Patent number: 5842689
    Abstract: A chopping board system including a chopping board member having a first surface defined by a first perimeter edge and formed from a non-skid material and a second surface defined by a second perimeter edge and formed from a chopping board material, the chopping board member having a plurality of securing pin passageways formed entirely through the chopping board member between the first and second surfaces; and a plurality of anchoring pins sized to frictionally fit into the securing pin passageways, each anchoring pin having at least one pointed pin end for insertion through an item to be chopped.
    Type: Grant
    Filed: April 3, 1997
    Date of Patent: December 1, 1998
    Inventor: Thomas Hunter
  • Patent number: 5697133
    Abstract: A method and apparatus for basting layers of flexible materials together such as for quilt making includes a spacing member, such as a grid, having openings therein is disposed on a support surface. A backing member or first flexible member is operatively secured to the support surface and a second member disposed over the first flexible member. Other layers are then placed over the second flexible member and, in the case of quilt making, there would typically be just three layers. A basting gun having a hollow needle is then utilized by pushing the hollow needle through all of the layers of flexible material and into one of the openings in the spacing member. Then the basting tool is utilized to force the first end of the plastic fastener through the hollow needle so that this first end of the plastic fastener is on one end of the flexible members and the second end of the plastic fastener is on the other side of the flexible members whereby the flexible members are held together by the plastic fastener.
    Type: Grant
    Filed: August 22, 1994
    Date of Patent: December 16, 1997
    Inventors: James K. Reber, Jill A. Reber
  • Patent number: 5156383
    Abstract: A window polishing stand for securely receiving and holding selected ones of a class of aircraft window panels during a polishing operation. The stand consists of a planar panel member having a generally oval hole cut centrally therein and having at least three short legs supporting about the periphery to allow clearance beneath the panel member. A quadrature array of felt pads are then included around the edge of the oval hole for padding purposes and clamping assemblies are provided on opposite sides in line with the minor axis of the oval hole thereby to provide secure positioning of the aircraft window with either the concave or convex side directed downward.
    Type: Grant
    Filed: July 19, 1991
    Date of Patent: October 20, 1992
    Inventor: Ronnie G. Williams
  • Patent number: 5098503
    Abstract: A method of fabricating extended arrays of image reading or writing subunits and in particular a pagewidth thermal ink jet printhead from a plurality of discrete thermal ink jet printhead subunits is disclosed. Each thermal ink jet printhead subunit includes a heater plate subunit having a plurality of resistive elements on an upper surface thereof and a channel plate subunit having a plurality of channels corresponding in number and position to the resistive elements on a base surface thereof, the upper surface of the heater plate subunit being attached to the base surface of the channel plate subunit to define a thermal ink jet printhead subunit having a plurality of channels forming nozzles with a resistive element in communication with each channel.
    Type: Grant
    Filed: May 1, 1990
    Date of Patent: March 24, 1992
    Assignee: Xerox Corporation
    Inventor: Donald J. Drake
  • Patent number: 4147460
    Abstract: A method for piercing a double plate for an H-beam by utilizing a multiple spindle H-beam piercing mill capable of piercing both flange portions and a web portion of the H-beam and a tool having a substantially H-shaped section and capable of being mounted on this piercing mill, in which the double plate for the H-beam is fixed to the tool and the double plate is pierced by the same drill arrangement as used for processing of the H-beam to which the double plate is to be attached.
    Type: Grant
    Filed: October 11, 1977
    Date of Patent: April 3, 1979
    Assignee: Miyakawa Industry Company Limited
    Inventor: Eiji Miyakawa
  • Patent number: 4131040
    Abstract: A printing blanket hole forming apparatus and method are provided and such apparatus has a support for supporting an end portion of a blanket thereon, a locating pin fixed to one end of the support, a template having at least one template locating hole therein and a set of openings therein associated with the one hole with the template being positioned by disposing the locating hole thereof around the pin with an end portion of a blanket supported on the support enabling forming of holes in the blanket by extending an associated hole forming device through the openings in the template and into the blanket and as determined by the openings in such template .
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: December 26, 1978
    Assignee: Dayco Corporation
    Inventor: Jacob A. Bollmer