Patents Assigned to TM-Logic LLC
  • Patent number: 10507855
    Abstract: Hand trucks having a powered lifting assembly are disclosed. In certain aspects, hand trucks having a motor assembly and a battery pack mount arranged to removably receive a battery pack arranged for a portable tool are disclosed. Hand trucks having a pivoting rearward support are also disclosed, with particular arrangements advantageously pivoting the rearward support upwardly as it is configured into the retracted configuration so as to lift wheels of the rearward support above other wheels of the hand truck.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: December 17, 2019
    Assignee: TM-Logic LLC
    Inventor: Jerry Murphy
  • Publication number: 20190047601
    Abstract: Hand trucks having a powered lifting assembly are disclosed. In certain aspects, hand trucks having a motor assembly and a battery pack mount arranged to removably receive a battery pack arranged for a portable tool are disclosed. Hand trucks having a pivoting rearward support are also disclosed, with particular arrangements advantageously pivoting the rearward support upwardly as it is configured into the retracted configuration so as to lift wheels of the rearward support above other wheels of the hand truck.
    Type: Application
    Filed: August 8, 2017
    Publication date: February 14, 2019
    Applicant: TM-Logic LLC
    Inventor: Jerry Murphy
  • Patent number: RE47616
    Abstract: A hand truck having a frame two short and two long sides; a wheel and axel assembly attached to the frame; a lifting assembly extending between the two short sides; said lifting assembly comprising a frame center pole rail having an attached gear rack, a gear box movably attached to the center pole, said gear box including, a toothed that meshes with the gear rack, a worm gear having a drive shaft that meshes with the toothed pinion, wherein rotation of the drive shaft causes the worm gear to drive the pinion along the gear rack; a lift bracket attached to the gear box comprising a receiving plate with at least one slot; and at least one removable lift platform comprising a platform plate with at least one key that is securely receivable into the slot; wherein the gearbox is drivable using a power supply supplied by a user.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: September 24, 2019
    Assignee: TM-Logic LLC
    Inventor: Jerry Murphy