Patents Assigned to Keith Manufacturing Co.
  • Patent number: 11987449
    Abstract: For use in a reciprocating floor slat conveyor system having formed slats made of steel, a gap filler for sealing the gaps between side-by-side steel slats includes a portion that extends upwardly into the gap, and a lower portion that is connected to one of the side-by-side slats. The gap filler is installed by pushing down the gap filler into the gap between slats.
    Type: Grant
    Filed: July 11, 2022
    Date of Patent: May 21, 2024
    Assignee: Keith Manufacturing Co.
    Inventors: Daniel Jackson, John Cook
  • Publication number: 20230002166
    Abstract: For use in a reciprocating floor slat conveyor system having formed slats made of steel, a gap filler for sealing the gaps between side-by-side steel slats includes a portion that extends upwardly into the gap, and a lower portion that is connected to one of the side-by-side slats. The gap filler is installed by pushing down the gap filler into the gap between slats.
    Type: Application
    Filed: July 11, 2022
    Publication date: January 5, 2023
    Applicant: Keith Manufacturing Co.
    Inventors: Daniel Jackson, John Cook
  • Patent number: 11383934
    Abstract: For use in a reciprocating floor slat conveyor system having formed slats made of steel, a gap filler for sealing the gaps between side-by-side steel slats includes a portion that extends upwardly into the gap, and a lower portion that is connected to one of the side-by-side slats. The gap filler is installed by pushing down the gap filler into the gap between slats.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: July 12, 2022
    Assignee: Keith Manufacturing Co.
    Inventors: Daniel Jackson, John Cook
  • Publication number: 20210387809
    Abstract: For use in a reciprocating floor slat conveyor system having formed slats made of steel, a gap filler for sealing the gaps between side-by-side steel slats includes a portion that extends upwardly into the gap, and a lower portion that is connected to one of the side-by-side slats. The gap filler is installed by pushing down the gap filler into the gap between slats.
    Type: Application
    Filed: June 24, 2021
    Publication date: December 16, 2021
    Applicant: Keith Manufacturing Co.
    Inventors: Daniel Jackson, John Cook
  • Publication number: 20210122580
    Abstract: A narrow gap exists between all-steel floor slats in a reciprocating floor slat conveyor system. The gap is closed by a steel wiper member that is attached to one of the slats and spans the gap between slats.
    Type: Application
    Filed: October 25, 2020
    Publication date: April 29, 2021
    Applicant: Keith Manufacturing Co.
    Inventor: Loren Friend
  • Publication number: 20210122579
    Abstract: For use in a reciprocating floor slat conveyor system having formed slats made of steel, a gap filler for sealing the gaps between side-by-side steel slats includes a portion that extends upwardly into the gap, and a lower portion that is connected to one of the side-by-side slats.
    Type: Application
    Filed: October 24, 2020
    Publication date: April 29, 2021
    Applicant: Keith Manufacturing Co.
    Inventors: Daniel Jackson, John Cook
  • Patent number: 10899549
    Abstract: A hydraulic cylinder for a drive unit assembly for a reciprocating floor slat conveyor system has a single tubular barrel divided into two chambers by a center head or plug. The center head is held in position by shrink fitting it into the barrel.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: January 26, 2021
    Assignee: Keith Manufacturing Co.
    Inventors: Jared Murphy, Tim Toth
  • Publication number: 20200223348
    Abstract: A truck cargo lift gate is pivotable between an upstanding and horizontal position. The lift gate carries a low-profile, endless chain conveyor. After the lift gate is pivoted to the horizontal position, the lift gate and the chain conveyor carried thereby may be vertically lowered to the ground with a load on the lift gate.
    Type: Application
    Filed: January 15, 2020
    Publication date: July 16, 2020
    Applicant: Keith Manufacturing Co.
    Inventor: Tim Toth
  • Publication number: 20200156874
    Abstract: A plastic splash guard hold down bearing for a moving floor conveyor has opposing hooks that clip onto an underlying support. The bearing presents a flat top surface for allowing a floor slat to slide back and forth as part of a moving floor conveyor. The plastic material and bearing construction is sufficient flexible to clip the bearing onto the support.
    Type: Application
    Filed: June 27, 2019
    Publication date: May 21, 2020
    Applicant: Keith Manufacturing Co.
    Inventors: Loren Friend, John Cook
  • Publication number: 20200158145
    Abstract: A hydraulic connection tube interconnects two port fittings of a hydraulic cylinder. The tube includes a bend or bent portion that reduces forces and stresses at the fittings.
    Type: Application
    Filed: July 3, 2019
    Publication date: May 21, 2020
    Applicant: Keith Manufacturing Co.
    Inventor: Edward Worth
  • Publication number: 20200109008
    Abstract: A hydraulic cylinder for a drive unit assembly for a reciprocating floor slat conveyor system has a single tubular barrel divided into two chambers by a center head or plug. The center head is held in position by shrink fitting it into the barrel.
    Type: Application
    Filed: August 12, 2019
    Publication date: April 9, 2020
    Applicant: Keith Manufacturing Co.
    Inventors: Jared Murphy, Tim Toth
  • Patent number: 10611579
    Abstract: The present disclosure relates to end caps for extruded floor slats that are built into moving floor conveyor systems. The end cap has a portion that is inserted in the hollow end of an extrusion and is held in place by self-threading screws that thread directly into the material making up the end cap and the floor slat at the same time.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: April 7, 2020
    Assignee: Keith Manufacturing Co.
    Inventor: Brandon O'Brien
  • Publication number: 20200049196
    Abstract: Reciprocating floor slat conveyor systems typically utilize floor slats that reciprocate back and forth while riding on bearings. The bearings sometimes have a curved “J” shape and, as a consequence, are commonly referred to as “J bearings.” The design disclosed here is an improved version of a J bearing that has segmented surfaces that are angled, rather than curved, relative to each other. Angled surfaces reduces voids between bearings and floor slats.
    Type: Application
    Filed: February 21, 2019
    Publication date: February 13, 2020
    Applicant: Keith Manufacturing Co.
    Inventors: Daniel Jackson, John Cook
  • Publication number: 20200010279
    Abstract: The present disclosure relates to end caps for extruded floor slats that are built into moving floor conveyor systems. The end cap has a portion that is inserted in the hollow end of an extrusion and is held in place by self-threading screws that thread directly into the material making up the end cap and the floor slat at the same time.
    Type: Application
    Filed: July 3, 2019
    Publication date: January 9, 2020
    Applicant: Keith Manufacturing Co.
    Inventor: Brandon O'Brien
  • Patent number: 10472177
    Abstract: The load conveyer system includes a pair of rails that carry endless chains. Each rail is an extrusion that has extruded side channel portions that allow the adjustable positioning of mounting bracket fasteners. This allows mounting brackets to be used to removably mount the rails to a preexisting floor surface without substantially modifying the floor during the rail installation or removal process.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: November 12, 2019
    Assignee: Keith Manufacturing Co.
    Inventor: Tim Toth
  • Patent number: 10351349
    Abstract: An endless chain conveyor is disclosed having an endless chain that rides on a rail with sprockets at each end of the rail. The chain is installed on the rail in tension. The conveyor does not otherwise require an adjustment mechanism for taking the slack out of the chain after it is installed on the rail.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: July 16, 2019
    Assignee: Keith Manufacturing Co.
    Inventor: Tim Toth
  • Publication number: 20190031442
    Abstract: The load conveyer system includes a pair of rails that carry endless chains. Each rail is an extrusion that has extruded side channel portions that allow the adjustable positioning of mounting bracket fasteners. This allows mounting brackets to be used to removably mount the rails to a preexisting floor surface without substantially modifying the floor during the rail installation or removal process.
    Type: Application
    Filed: September 28, 2018
    Publication date: January 31, 2019
    Applicant: Keith Manufacturing Co.
    Inventor: Tim Toth
  • Publication number: 20190023493
    Abstract: An endless chain conveyor is disclosed having an endless chain that rides on a rail with sprockets at each end of the rail. The chain is installed on the rail in tension. The conveyor does not otherwise require an adjustment mechanism for taking the slack out of the chain after it is installed on the rail.
    Type: Application
    Filed: September 25, 2018
    Publication date: January 24, 2019
    Applicant: Keith Manufacturing Co.
    Inventor: Tim Toth
  • Patent number: 10124962
    Abstract: A roll-formed steel slat for use in a reciprocating floor slat conveyor system. The roll-formed steel slat is formed in a manner so as to have an upper, load-carrying surface, and a pair of downwardly depending side legs. Each side leg terminates in a foot. One foot is vertically offset from the other to provide a “hold-down” function that prevents the slat from vertically rising as the slat reciprocates back-and-forth.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: November 13, 2018
    Assignee: Keith Manufacturing Co.
    Inventors: Daniel W. Jackson, Randall Mark Foster, Nathan Keeley, Victor Matthews, Scott Delamarter
  • Patent number: 10112779
    Abstract: A roll-formed steel slat for use in a reciprocating floor slat conveyor system. The roll-formed steel slat is formed in a manner so as to have an upper, load-carrying surface, and a pair of downwardly depending side legs. Each side leg terminates in a foot. One foot is vertically offset from the other to provide a “hold-down” function that prevents the slat from vertically rising as the slat reciprocates back-and-forth.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: October 30, 2018
    Assignee: Keith Manufacturing Co.
    Inventors: Daniel W. Jackson, Randall Mark Foster, Nathan Keeley, Scott Delamarter