Patents by Inventor Dennis Cedar
Dennis Cedar 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).
-
Patent number: 11679459Abstract: A locating fixture that includes a base, an adjustable locating member, a plurality of indicia, a restraining member and a lower substructure. The base includes a raised platform having a mounting aperture. The adjustable locating member is disposed within the mounting aperture and includes a part locating feature and a position indicator fixedly attached to the adjustable locating member. The plurality of indicia is located on the raised platform adjacent to the adjustable locating member. The position indicator cooperates with the plurality of indicia to determine a vertical position of the adjustable locating member. The restraining member is cooperatively engaged with the adjustable locating member. The lower substructure is configured to allow for longitudinal and lateral translation of the base. The base is translatably mounted to the lower substructure.Type: GrantFiled: December 15, 2021Date of Patent: June 20, 2023Assignee: Ford Motor CompanyInventors: Erik Riha, Michael Dean Blodgett, Dennis Cedar
-
Publication number: 20230073392Abstract: A locating fixture that includes a base, an adjustable locating member, a plurality of indicia, a restraining member and a lower substructure. The base includes a raised platform having a mounting aperture. The adjustable locating member is disposed within the mounting aperture and includes a part locating feature and a position indicator fixedly attached to the adjustable locating member. The plurality of indicia is located on the raised platform adjacent to the adjustable locating member. The position indicator cooperates with the plurality of indicia to determine a vertical position of the adjustable locating member. The restraining member is cooperatively engaged with the adjustable locating member. The lower substructure is configured to allow for longitudinal and lateral translation of the base. The base is translatably mounted to the lower substructure.Type: ApplicationFiled: December 15, 2021Publication date: March 9, 2023Applicant: Ford Motor CompanyInventors: Erik Riha, Michael Dean Blodgett, Dennis Cedar
-
Patent number: 9943901Abstract: A stamping die is provided. The stamping die includes a die block, a punch, and a trap wall. The punch is configured to engage the die block in order to form a part from a sheet metal blank. The trap wall is secured to the punch and configured to restrict the flow of sheet metal into the die block during punch and die block engagement. The trap wall is adjustable with respect to the punch such that a trap wall adjustment alters the flow of sheet metal into the die block.Type: GrantFiled: August 31, 2015Date of Patent: April 17, 2018Assignee: Ford Global Technologies, LLCInventors: Nia R. Harrison, Andrey M. Ilinich, Dennis Cedar
-
Publication number: 20170056951Abstract: A stamping die is provided. The stamping die includes a die block, a punch, and a trap wall. The punch is configured to engage the die block in order to form a part from a sheet metal blank. The trap wall is secured to the punch and configured to restrict the flow of sheet metal into the die block during punch and die block engagement. The trap wall is adjustable with respect to the punch such that a trap wall adjustment alters the flow of sheet metal into the die block.Type: ApplicationFiled: August 31, 2015Publication date: March 2, 2017Inventors: Nia R. HARRISON, Andrey M. ILINICH, Dennis CEDAR
-
Patent number: 8459084Abstract: An elevated temperature forming system in which a sheet metal workpiece is provided in a first stage position of a multi-stage pre-heater, is heated to a first stage temperature lower than a desired pre-heat temperature, is moved to a final stage position where it is heated to a desired final stage temperature, is transferred to a forming press, and is formed by the forming press. The preheater includes upper and lower platens that transfer heat into workpieces disposed between the platens. A shim spaces the upper platen from the lower platen by a distance greater than a thickness of the workpieces to be heated by the platens and less than a distance at which the upper platen would require an undesirably high input of energy to effectively heat the workpiece without being pressed into contact with the workpiece.Type: GrantFiled: February 5, 2009Date of Patent: June 11, 2013Assignee: USAMPInventors: Paul E. Krajewski, Richard Harry Hammar, Jugraj Singh, Dennis Cedar, Peter A. Friedman, Yingbing Luo
-
Patent number: 8230713Abstract: An elevated temperature forming die apparatus comprising a lower die part having a first upper surface positioned to engage a lower surface of a first region of such a workpiece, an upper die part supported for reciprocal motion relative to the lower die part, the upper die part having a lower surface that engages an upper surface of a second region of a sheet material workpiece, heaters in thermal communication with the die parts, and a third die part having an upper surface that engages a lower surface of the second region of a sheet material workpiece whose first portion is positioned between the upper and lower die parts, the third die part being supported for reciprocal motion relative to the upper die part such that closure of the upper die part along the first stroke portion against the third die part will clamp the first portion of the workpiece between the upper and third die parts, and the third die part being supported for reciprocal motion relative to the lower die part such that, once the first pType: GrantFiled: December 30, 2008Date of Patent: July 31, 2012Assignee: USAMPInventors: Paul Edward Krajewski, Richard Harry Hammar, Dajun Zuo, Peter A. Friedman, S. George Luckey, Jr., Dennis Cedar
-
Publication number: 20100192659Abstract: An elevated temperature forming system in which a sheet metal workpiece is provided in a first stage position of a multi-stage pre-heater, is heated to a first stage temperature lower than a desired pre-heat temperature, is moved to a final stage position where it is heated to a desired final stage temperature, is transferred to a forming press, and is formed by the forming press. The preheater includes upper and lower platens that transfer heat into workpieces disposed between the platens. A shim spaces the upper platen from the lower platen by a distance greater than a thickness of the workpieces to be heated by the platens and less than a distance at which the upper platen would require an undesirably high input of energy to effectively heat the workpiece without being pressed into contact with the workpiece.Type: ApplicationFiled: February 5, 2009Publication date: August 5, 2010Inventors: Paul Edward Krajewski, Richard Harry Hammar, Jugraj Singh, Dennis Cedar, Peter A. Friedman, Yingbing Luo
-
Publication number: 20100166903Abstract: An elevated temperature forming die apparatus comprising a lower die part having a first upper surface positioned to engage a lower surface of a first region of such a workpiece, an upper die part supported for reciprocal motion relative to the lower die part, the upper die part having a lower surface that engages an upper surface of a second region of a sheet material workpiece, heaters in thermal communication with the die parts, and a third die part having an upper surface that engages a lower surface of the second region of a sheet material workpiece whose first portion is positioned between the upper and lower die parts, the third die part being supported for reciprocal motion relative to the upper die part such that closure of the upper die part along the first stroke portion against the third die part will clamp the first portion of the workpiece between the upper and third die parts, and the third die part being supported for reciprocal motion relative to the lower die part such that, once the first pType: ApplicationFiled: December 30, 2008Publication date: July 1, 2010Inventors: Paul Edward Krajewski, Richard Harry Hammar, Dajun Zuo, Peter A. Friedman, S. George Luckey, JR., Dennis Cedar
-
Patent number: 4697240Abstract: A sturdy three-dimensional master model constructed using CAD/CAM and N/C machine tool techniques by digitally processing surface data to obtain low density, unsweetened, template contour lines offset below the surface on an axis normal thereto, and then simultaneously constructing a rough model having a surface offset above the surface on an axis normal thereto, while developing the surface data to sweetened, high density cutter path data and then using the cutter path data to N/C mill the rough plus model.Type: GrantFiled: May 28, 1985Date of Patent: September 29, 1987Assignee: Modern Engineering Service CompanyInventors: Dennis A. Cedar, Ralph L. Miller