Patents by Inventor Robert Walden

Robert Walden 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: 11905732
    Abstract: A door lock assembly with interchangeable lock cylinders is described. The door lock assembly includes a handle. The handle includes a lock cylinder passage to receive a push to lock cylinder or a key to lock cylinder. A spring plate includes a bolt opening to position the lock cylinder. The spring plate further includes a side bolt opening. A side bolt is configured to selectively enter the side bolt opening of the spring plate to lock the lock cylinder and to selectively withdraw the side bolt from the side bolt opening of the spring plate to unlock the lock cylinder.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: February 20, 2024
    Assignee: Austin Hardware & Supply, Inc.
    Inventors: Norman A. Smith, Robert Walden
  • Publication number: 20230392419
    Abstract: A bar lock is described. The bar lock includes a bar. An upper strap is engaged to the bar. The upper strap is configured to engage to an upper hinge butt. A first is roller rotatably engaged to the bar. A lower strap is engaged to the bar. The lower strap is configured to engage to a lower hinge butt. A second roller is rotatably engaged to the bar. A handle bracket is affixed to the bar. A handle is pivotally engaged to the handle bracket. The first and second rollers are configured to prevent or reduce marring or rubbing damage to a door of a cargo area of a truck caused by a racking movement of sides of the truck.
    Type: Application
    Filed: May 31, 2023
    Publication date: December 7, 2023
    Inventors: David Lay, Robert Walden, Moises Beltran, Jr.
  • Publication number: 20230125735
    Abstract: A counterbalance hinge assembly includes a cam and compression device that counterbalances a weight of a door or a ramp. The compression device biases against a rotation of the door or ramp. The downward movement of the door or ramp drives cam followers in angled slots or cam surfaces of the cam. The angled slots or cam surfaces include varying angles of incline to correspond to varying torque forces of the door or ramp during the opening or closing movement of the door or ramp.
    Type: Application
    Filed: December 27, 2022
    Publication date: April 27, 2023
    Inventors: Robert Walden, David Lay, Daye Zhang
  • Publication number: 20230068173
    Abstract: A bar lock includes an upper strap and a lower strap that receives the bar. The upper and lower strap hingedly engage to hinge butts at an opening of a truck. The upper strap forms an upper cylindrical passage that receives the bar. The upper cylindrical passage includes an upper opening and a lower opening. An upper weld is between the upper opening of the upper cylindrical passage and the bar. The lower strap forms a lower cylindrical passage that receives the bar. The lower cylindrical passage includes an upper opening and a lower opening. A lower weld is between the lower opening of the lower cylindrical passage and the bar.
    Type: Application
    Filed: August 26, 2022
    Publication date: March 2, 2023
    Inventors: Daye Zhang, Robert Walden, David Lay
  • Patent number: 11547790
    Abstract: An intravenous (IV) fluid bag hanger is described for use in an ambulance or other emergency vehicle. A handle is configured to pivot or rotate between storage and deployed positions. The fluid bag hanger includes a double-sided carabiner. The double-sided carabiner includes a first holding region and a second holding region to hold one or more intravenous fluid bags. The double-sided carabiner forms a hub between the first holding region and the second holding region. An axle of the handle rotates in the hub.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: January 10, 2023
    Assignee: Austin Hardware & Supply, Inc.
    Inventors: Daye Zhang, Robert Walden
  • Publication number: 20230003068
    Abstract: A counterbalance hinge assembly includes a cam and compression device that counterbalances a weight of a door or a ramp. The compression device biases against a rotation of the door or ramp. The downward movement of the door or ramp drives cam followers in angled slots or cam surfaces of the cam. The angled slots or cam surfaces include varying angles of incline to correspond to varying torque forces of the door or ramp during the opening or closing movement of the door or ramp.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 5, 2023
    Inventors: Robert Walden, David Lay, Daye Zhang
  • Publication number: 20220282525
    Abstract: A door lock assembly with interchangeable lock cylinders is described. The door lock assembly includes a handle. The handle includes a lock cylinder passage to receive a push to lock cylinder or a key to lock cylinder. A spring plate includes a bolt opening to position the lock cylinder. The spring plate further includes a side bolt opening. A side bolt is configured to selectively enter the side bolt opening of the spring plate to lock the lock cylinder and to selectively withdraw the side bolt from the side bolt opening of the spring plate to unlock the lock cylinder.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 8, 2022
    Inventors: Norman A. Smith, Robert Walden
  • Publication number: 20210361857
    Abstract: An intravenous (IV) fluid bag hanger is described for use in an ambulance or other emergency vehicle. A handle is configured to pivot or rotate between storage and deployed positions. The fluid bag hanger includes a double-sided carabiner. The double-sided carabiner includes a first holding region and a second holding region to hold one or more intravenous fluid bags. The double-sided carabiner forms a hub between the first holding region and the second holding region. An axle of the handle rotates in the hub.
    Type: Application
    Filed: May 22, 2020
    Publication date: November 25, 2021
    Inventors: Daye Zhang, Robert Walden
  • Patent number: 11110746
    Abstract: A work vehicle includes a pair of left and right pivotal connecting units provided on a front frame, a caster wheel, a caster axle and a caster bracket connected to the pivotal connecting unit. The caster bracket includes side walls supporting the caster axle, a top wall extending rearwards from the upper side of the caster wheel and interconnecting the left side wall and the right side wall, and left and right cover portions for covering gaps between the side walls and the caster wheel.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: September 7, 2021
    Assignee: KUBOTA CORPORATION
    Inventor: Robert Walden
  • Patent number: 10905047
    Abstract: A grass mower includes a blade shaft for rotating a blade within a mower deck supported to a vehicle body, a power transmission mechanism for supplying rotational power to the blade shaft, a duct for air-conveying cut grass pieces from the mower deck to the grass collecting bag and a flow boosting device incorporated in the duct. The flow boosting device increases a speed of air flow inside the duct by feeding air through a nozzle opening adjacent an inner circumferential face of the duct along a flow direction of the air flow.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: February 2, 2021
    Assignee: KUBOTA CORPORATION
    Inventor: Robert Walden
  • Patent number: 10864771
    Abstract: A vehicle wheel includes a rim having an inner peripheral surface, and a center disc. The center disc includes a disc portion, and an arm plate portion extending radially outward from the disc portion. The arm plate portion includes an outer boundary defined by a plurality of arc outer peripheral surfaces and a plurality of concave boundary surfaces. The plurality of arc outer peripheral surfaces have a radius equal to a radius of the inner peripheral surface of the rim. The plurality of arc outer peripheral surfaces are joined to the inner peripheral surface of the rim at a weld attachment interface to produce a plurality of holes defined by the plurality of concave boundary surfaces and the inner peripheral surface of the rim.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: December 15, 2020
    Assignee: KUBOTA CORPORATION
    Inventors: Robert Walden, Barry Jordan
  • Publication number: 20190329589
    Abstract: A work vehicle includes a pair of left and right pivotal connecting units provided on a front frame, a caster wheel, a caster axle and a caster bracket connected to the pivotal connecting unit. The caster bracket includes side walls supporting the caster axle, a top wall extending rearwards from the upper side of the caster wheel and interconnecting the left side wall and the right side wall, and left and right cover portions for covering gaps between the side walls and the caster wheel.
    Type: Application
    Filed: April 26, 2018
    Publication date: October 31, 2019
    Applicant: KUBOTA CORPORATION
    Inventor: Robert WALDEN
  • Publication number: 20190327895
    Abstract: A grass mower includes a blade shaft for rotating a blade within a mower deck supported to a vehicle body, a power transmission mechanism for supplying rotational power to the blade shaft, a duct for air-conveying cut grass pieces from the mower deck to the grass collecting bag and a flow boosting device incorporated in the duct. The flow boosting device increases a speed of air flow inside the duct by feeding air through a nozzle opening adjacent an inner circumferential face of the duct along a flow direction of the air flow.
    Type: Application
    Filed: April 26, 2018
    Publication date: October 31, 2019
    Applicant: KUBOTA CORPORATION
    Inventor: Robert WALDEN
  • Patent number: 10252571
    Abstract: A work vehicle includes a vehicle frame, a rotating connection unit provided in the vehicle frame, and a caster assembly connected to the rotating connection unit. The rotating connection unit includes a housing sleeve, a swivel post, a first bearing and a second bearing supporting the swivel post to be rotatable within the housing sleeve, and a rotation stopper disposed between the swivel post and the housing sleeve to stop rotation of the swivel post. The caster assembly includes a caster wheel, and a caster bracket connected to the swivel post to rotatably support the caster wheel.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: April 9, 2019
    Assignee: KUBOTA CORPORATION
    Inventors: Barry Jordan, Robert Walden
  • Publication number: 20180304676
    Abstract: A vehicle wheel includes a rim having an inner peripheral surface, and a center disc. The center disc includes a disc portion, and an arm plate portion extending radially outward from the disc portion. The arm plate portion includes an outer boundary defined by a plurality of arc outer peripheral surfaces and a plurality of concave boundary surfaces. The plurality of arc outer peripheral surfaces have a radius equal to a radius of the inner peripheral surface of the rim. The plurality of arc outer peripheral surfaces are joined to the inner peripheral surface of the rim at a weld attachment interface to produce a plurality of holes defined by the plurality of concave boundary surfaces and the inner peripheral surface of the rim.
    Type: Application
    Filed: April 24, 2017
    Publication date: October 25, 2018
    Applicant: KUBOTA CORPORATION
    Inventors: Robert WALDEN, Barry JORDAN
  • Publication number: 20180104987
    Abstract: A work vehicle includes a vehicle frame, a rotating connection unit provided in the vehicle frame, and a caster assembly connected to the rotating connection unit. The rotating connection unit includes a housing sleeve, a swivel post, a first bearing and a second bearing supporting the swivel post to be rotatable within the housing sleeve, and a rotation stopper disposed between the swivel post and the housing sleeve to stop rotation of the swivel post. The caster assembly includes a caster wheel, and a caster bracket connected to the swivel post to rotatably support the caster wheel.
    Type: Application
    Filed: October 17, 2016
    Publication date: April 19, 2018
    Applicant: KUBOTA CORPORATION
    Inventors: Barry JORDAN, Robert WALDEN
  • Patent number: 9932070
    Abstract: A work vehicle includes a pair of left and right steerable wheels, a pair of left and right drivable wheels, and a boss portion that supports the steerable wheel pivotally about a steering axis via a king pin. The boss portion is closer to a width center of the steerable wheel than a vehicle body inner lateral side end of the steerable wheel.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: April 3, 2018
    Assignee: KUBOTA CORPORATION
    Inventor: Robert Walden
  • Publication number: 20170210417
    Abstract: A work vehicle includes a pair of left and right steerable wheels, a pair of left and right drivable wheels, and a boss portion that supports the steerable wheel pivotally about a steering axis via a king pin. The boss portion is closer to a width center of the steerable wheel than a vehicle body inner lateral side end of the steerable wheel.
    Type: Application
    Filed: January 26, 2016
    Publication date: July 27, 2017
    Applicant: KUBOTA CORPORATION
    Inventor: Robert WALDEN
  • Patent number: 9642303
    Abstract: A grass cutter is provided with a mower and a duct. The mower includes a rotary blade which cuts grass by being driven to rotate, a mower deck which houses the rotary blade, and a fan which is arranged above the mower deck and generates carrier air. The duct includes a duct body which communicates with the mower deck and extends in a conveyance direction of grass clippings cut by the rotary blade, and an opening which is configured to allow carrier air generated by the fan to be introduced into the duct body.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: May 9, 2017
    Assignee: KUBOTA CORPORATION
    Inventor: Robert Walden
  • Publication number: 20160212937
    Abstract: A grass cutter is provided with a mower and a duct. The mower includes a rotary blade which cuts grass by being driven to rotate, a mower deck which houses the rotary blade, and a fan which is arranged above the mower deck and generates carrier air. The duct includes a duct body which communicates with the mower deck and extends in a conveyance direction of grass clippings cut by the rotary blade, and an opening which is configured to allow carrier air generated by the fan to be introduced into the duct body.
    Type: Application
    Filed: January 15, 2015
    Publication date: July 28, 2016
    Inventor: Robert WALDEN