Patents by Inventor Randy Joseph Zimmerman
Randy Joseph Zimmerman 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).
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Patent number: 10767721Abstract: A bar pin bushing assembly including a bar pin having at least one end with at least one bore to receive a fastener, the at least one bore extending through the at least one end, the bar pin having a central portion having a diameter that is greater than a width or diameter of the at least one end of the bar pin, a compressible rubber section positioned around the central portion of the bar pin, the compressible rubber section further extending around downwardly tapering surfaces adjacent the central portion of the bar pin, an outer metal shell mold bonded to the compressible rubber section, a first disc insert positioned over a first end of the outer metal shell, a second disc insert positioned over a second end of the outer metal shell, and a tubular outer metal wall positioned over the outer metal shell, the first disc insert, and the second disc insert.Type: GrantFiled: January 12, 2018Date of Patent: September 8, 2020Assignee: Hendrickson USA, L.L.C.Inventors: Randy Joseph Zimmerman, Hormoz Kerendian, James Merriman
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Patent number: 10704637Abstract: A bar pin bushing assembly for connecting components including a bar pin having at least one end with at least one bore to receive a fastener, the bar pin having a central portion having a diameter that is greater than a width or diameter of the at least one end of the bar pin, a compressible rubber section having a uniform thickness positioned around the central portion of the bar pin, the compressible rubber section further extending around downwardly tapering surfaces adjacent the central portion of the bar pin, a plurality of outer metal shells mold bonded to the compressible rubber section, wherein when the bushing assembly is inserted into a hub, the plurality of outer metal shells are configured to radially compress the compressible rubber section to provide a precompressed bushing assembly. A method of assembling the bar pin bushing assembly is also disclosed.Type: GrantFiled: August 17, 2016Date of Patent: July 7, 2020Assignee: Hendrickson USA, L.L.C.Inventors: Randy Joseph Zimmerman, Hormoz Kerendian, James Merriman
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Patent number: 10214067Abstract: A vehicle suspension having a frame attachment portion attached to a saddle, first and second bolster springs mounted to spring mounts on an outboard side of the saddle and mounted on walls of a spring mount on an outboard side of an equalizing beam, and third and fourth bolster springs mounted to walls of a spring mount on an inboard side of the saddle and mounted to spring mounts on an inboard side of the equalizing beam, wherein upwardly extending flanges on the bottom of the first and second bolster springs are mounted to each other using a common fastener, and wherein upwardly extending flanges on the bottom of the third and fourth bolster springs are mounted to each other with a common fastener.Type: GrantFiled: June 14, 2016Date of Patent: February 26, 2019Assignee: Hendrickson USA, L.L.C.Inventors: Shawn D. Noble, Matthew J. Van Meter, Randy Joseph Zimmerman
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Patent number: 10144262Abstract: A vehicle suspension having a frame attachment portion attached to a saddle, first and second bolster springs mounted to spring mounts on an outboard side of the saddle and mounted on walls of a spring mount on an outboard side of an equalizing beam, and third and fourth bolster springs mounted to walls of a spring mount on an inboard side of the saddle and mounted to spring mounts on an inboard side of the equalizing beam, wherein upwardly extending flanges on the bottom of the first and second bolster sprints are mounted to each other using a common fastener, and wherein upwardly extending flanges on the bottom of the third and fourth bolster springs are mounted to each other with a common fastener.Type: GrantFiled: June 14, 2016Date of Patent: December 4, 2018Assignee: Hendrickson USA, L.L.C.Inventors: Shawn D. Noble, Matthew J. Van Meter, Randy Joseph Zimmerman
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Publication number: 20180135716Abstract: A bar pin bushing assembly including a bar pin having at least one end with at least one bore to receive a fastener, the at least one bore extending through the at least one end, the bar pin having a central portion having a diameter that is greater than a width or diameter of the at least one end of the bar pin, a compressible rubber section positioned around the central portion of the bar pin, the compressible rubber section further extending around downwardly tapering surfaces adjacent the central portion of the bar pin, an outer metal shell mold bonded to the compressible rubber section, a first disc insert positioned over a first end of the outer metal shell, a second disc insert positioned over a second end of the outer metal shell, and a tubular outer metal wall positioned over the outer metal shell, the first disc insert, and the second disc insert.Type: ApplicationFiled: January 12, 2018Publication date: May 17, 2018Inventors: Randy Joseph Zimmerman, Hormoz Kerendian, James Merriman
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Publication number: 20170051804Abstract: A bar pin bushing assembly for connecting components including a bar pin having at least one end with at least one bore to receive a fastener, the bar pin having a central portion having a diameter that is greater than a width or diameter of the at least one end of the bar pin, a compressible rubber section having a uniform thickness positioned around the central portion of the bar pin, the compressible rubber section further extending around downwardly tapering surfaces adjacent the central portion of the bar pin, a plurality of outer metal shells mold bonded to the compressible rubber section, wherein when the bushing assembly is inserted into a hub, the plurality of outer metal shells are configured to radially compress the compressible rubber section to provide a precompressed bushing assembly. A method of assembling the bar pin bushing assembly is also disclosed.Type: ApplicationFiled: August 17, 2016Publication date: February 23, 2017Inventors: Randy Joseph Zimmerman, Hormoz Kerendian, James Merriman
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Publication number: 20160303937Abstract: A vehicle suspension having a frame attachment portion attached to a saddle, first and second bolster springs mounted to spring mounts on an outboard side of the saddle and mounted on walls of a spring mount on an outboard side of an equalizing beam, and third and fourth bolster springs mounted to walls of a spring mount on an inboard side of the saddle and mounted to spring mounts on an inboard side of the equalizing beam, wherein upwardly extending flanges on the bottom of the first and second bolster sprints are mounted to each other using a common fastener, and wherein upwardly extending flanges on the bottom of the third and fourth bolster springs are mounted to each other with a common fastener.Type: ApplicationFiled: June 14, 2016Publication date: October 20, 2016Inventors: Shawn D. Noble, Matthew J. Van Meter, Randy Joseph Zimmerman
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Publication number: 20160280028Abstract: A vehicle suspension having a frame attachment portion attached to a saddle, first and second bolster springs mounted to spring mounts on an outboard side of the saddle and mounted on walls of a spring mount on an outboard side of an equalizing beam, and third and fourth bolster springs mounted to walls of a spring mount on an inboard side of the saddle and mounted to spring mounts on an inboard side of the equalizing beam, wherein upwardly extending flanges on the bottom of the first and second bolster sprints are mounted to each other using a common fastener, and wherein upwardly extending flanges on the bottom of the third and fourth bolster springs are mounted to each other with a common fastener.Type: ApplicationFiled: June 14, 2016Publication date: September 29, 2016Inventors: Shawn D. Noble, Matthew J. Van Meter, Randy Joseph Zimmerman
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Publication number: 20160089942Abstract: A vehicle suspension having a frame attachment portion attached to a saddle, first and second bolster springs mounted to spring mounts on an outboard side of the saddle and mounted on walls of a spring mount on an outboard side of an equalizing beam, and third and fourth bolster springs mounted to walls of a spring mount on an inboard side of the saddle and mounted to spring mounts on an inboard side of the equalizing beam, wherein upwardly extending flanges on the bottom of the first and second bolster sprints are mounted to each other using a common fastener, and wherein upwardly extending flanges on the bottom of the third and fourth bolster springs are mounted to each other with a common fastener.Type: ApplicationFiled: September 29, 2014Publication date: March 31, 2016Inventors: Shawn D. Noble, Matthew J. Van Meter, Randy Joseph Zimmerman
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Patent number: D764361Type: GrantFiled: February 27, 2015Date of Patent: August 23, 2016Assignee: Hendrickson USA, L.L.C.Inventors: Shawn D. Noble, Matthew J. Van Meter, Randy Joseph Zimmerman