Patents by Inventor Timothy D. Harman

Timothy D. Harman 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: 11040648
    Abstract: A dump body pivot pin, suspension node, and rear frame connection comprises a dump body pivot pin boss, a rear suspension connection boss, outer and inner upper rear frame tube connection bosses, outer and inner lower rear frame tube connection bosses, upper and lower beams, a beam connection web, and a support tube connection boss. The dump pivot pin boss has a pivot bore, a pin bore center axis, and inner and outer flat surfaces. The rear suspension connection boss includes a suspension connection center axis and inner and outer flat surfaces. The upper beam connects the outer and inner upper rear frame tube connection bosses to the dump body pivot pin boss. The lower beam connects the outer lower rear frame connection boss to the rear suspension connection boss and the dump body pivot pin boss and the inner lower rear frame tube connection boss to the dump body pivot pin boss.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: June 22, 2021
    Assignee: Caterpillar Inc.
    Inventors: Tad W Miller, David W Holthaus, Timothy D Harman, Venkara R Dantuluri
  • Publication number: 20210122284
    Abstract: A dump body pivot pin, suspension node, and rear frame connection comprises a dump body pivot pin boss, a rear suspension connection boss, outer and inner upper rear frame tube connection bosses, outer and inner lower rear frame tube connection bosses, upper and lower beams, a beam connection web, and a support tube connection boss. The dump pivot pin boss has a pivot bore, a pin bore center axis, and inner and outer flat surfaces. The rear suspension connection boss includes a suspension connection center axis and inner and outer flat surfaces. The upper beam connects the outer and inner upper rear frame tube connection bosses to the dump body pivot pin boss. The lower beam connects the outer lower rear frame connection boss to the rear suspension connection boss and the dump body pivot pin boss and the inner lower rear frame tube connection boss to the dump body pivot pin boss.
    Type: Application
    Filed: October 25, 2019
    Publication date: April 29, 2021
    Applicant: Caterpillar Inc.
    Inventors: Tad W. Miller, David W. Holthaus, Timothy D. Harman, Venkara R. Dantuluri
  • Publication number: 20210122428
    Abstract: A center lower frame connection for a space frame comprising an outer lift cylinder connection boss, an inner drop tube connection boss, a center cylinder between the outer lift cylinder connection boss and the inner drop tube connection boss, a suspension connection boss, an outer rearward angular center lower frame tube connection boss, an inner rearward angular center lower frame tube connection boss, a vertical center lower frame tube connection boss, a forward angular center lower frame tube connection boss, an outer forward horizontal center lower frame tube connection boss, and an inner forward horizontal center lower frame tube connection boss. The outer lift cylinder connection boss, the inner drop tube connection boss, and the center cylinder can have a common center axis. The center lower frame connection can also have a rearward angular beam and a forward horizontal beam.
    Type: Application
    Filed: October 25, 2019
    Publication date: April 29, 2021
    Applicant: Caterpillar Inc.
    Inventors: Tad W. Miller, David O. Zalanka, Timothy D Harman
  • Publication number: 20210122425
    Abstract: A center upper frame connection for a space frame can comprise a pair of outer support beams spaced from each in a width direction, a rearward center support between the outer support beams, and support beam arch. Each outer support beam can have a rearward frame connection boss and a forward center frame nodal connection boss. The rearward center support can have a pair of rearward frame connection bosses oriented at an angle relative to each other, and a pair of side frame connection bosses provided on opposing sides of the rearward center support. The support beam arch can be provided adjacent to the outer support beams and the rearward center support. The rearward center support can be located on a longitudinal centerline of the support beam arch and can be parallel to the outer support beams.
    Type: Application
    Filed: October 25, 2019
    Publication date: April 29, 2021
    Applicant: Caterpillar Inc.
    Inventors: Tad W Miller, David O Zalanka, Timothy D Harman, Thomas Alworth
  • Publication number: 20210122420
    Abstract: A front lower frame connection can comprise a center boss, outer and inner rearward horizontal front lower frame tube connection bosses, a rearward angular front lower frame tube connection boss, a vertical front lower frame tube connection boss, a forward angular front lower frame tube connection boss, outer and inner forward horizontal front lower frame tube connection bosses, a rearward horizontal beam, and a forward horizontal beam. The rearward horizontal beam can have an outer rearward horizontal beam member, and an inner rearward horizontal beam member. The forward horizontal beam can have an outer forward horizontal beam member, and an inner forward horizontal beam member.
    Type: Application
    Filed: October 25, 2019
    Publication date: April 29, 2021
    Applicant: Caterpillar Inc.
    Inventors: Tad W Miller, David O Zalanka, Timothy D Harman