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).
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Patent number: 11905732Abstract: 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: GrantFiled: March 4, 2022Date of Patent: February 20, 2024Assignee: Austin Hardware & Supply, Inc.Inventors: Norman A. Smith, Robert Walden
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Publication number: 20230392419Abstract: 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: ApplicationFiled: May 31, 2023Publication date: December 7, 2023Inventors: David Lay, Robert Walden, Moises Beltran, Jr.
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Publication number: 20230125735Abstract: 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: ApplicationFiled: December 27, 2022Publication date: April 27, 2023Inventors: Robert Walden, David Lay, Daye Zhang
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Publication number: 20230068173Abstract: 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: ApplicationFiled: August 26, 2022Publication date: March 2, 2023Inventors: Daye Zhang, Robert Walden, David Lay
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Patent number: 11547790Abstract: 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: GrantFiled: May 22, 2020Date of Patent: January 10, 2023Assignee: Austin Hardware & Supply, Inc.Inventors: Daye Zhang, Robert Walden
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Publication number: 20230003068Abstract: 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: ApplicationFiled: June 30, 2022Publication date: January 5, 2023Inventors: Robert Walden, David Lay, Daye Zhang
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Publication number: 20220282525Abstract: 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: ApplicationFiled: March 4, 2022Publication date: September 8, 2022Inventors: Norman A. Smith, Robert Walden
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Publication number: 20210361857Abstract: 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: ApplicationFiled: May 22, 2020Publication date: November 25, 2021Inventors: Daye Zhang, Robert Walden
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Patent number: 11110746Abstract: 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: GrantFiled: April 26, 2018Date of Patent: September 7, 2021Assignee: KUBOTA CORPORATIONInventor: Robert Walden
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Patent number: 10905047Abstract: 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: GrantFiled: April 26, 2018Date of Patent: February 2, 2021Assignee: KUBOTA CORPORATIONInventor: Robert Walden
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Patent number: 10864771Abstract: 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: GrantFiled: April 24, 2017Date of Patent: December 15, 2020Assignee: KUBOTA CORPORATIONInventors: Robert Walden, Barry Jordan
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Publication number: 20190329589Abstract: 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: ApplicationFiled: April 26, 2018Publication date: October 31, 2019Applicant: KUBOTA CORPORATIONInventor: Robert WALDEN
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Publication number: 20190327895Abstract: 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: ApplicationFiled: April 26, 2018Publication date: October 31, 2019Applicant: KUBOTA CORPORATIONInventor: Robert WALDEN
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Patent number: 10252571Abstract: 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: GrantFiled: October 17, 2016Date of Patent: April 9, 2019Assignee: KUBOTA CORPORATIONInventors: Barry Jordan, Robert Walden
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Publication number: 20180304676Abstract: 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: ApplicationFiled: April 24, 2017Publication date: October 25, 2018Applicant: KUBOTA CORPORATIONInventors: Robert WALDEN, Barry JORDAN
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Publication number: 20180104987Abstract: 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: ApplicationFiled: October 17, 2016Publication date: April 19, 2018Applicant: KUBOTA CORPORATIONInventors: Barry JORDAN, Robert WALDEN
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Patent number: 9932070Abstract: 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: GrantFiled: January 26, 2016Date of Patent: April 3, 2018Assignee: KUBOTA CORPORATIONInventor: Robert Walden
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Publication number: 20170210417Abstract: 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: ApplicationFiled: January 26, 2016Publication date: July 27, 2017Applicant: KUBOTA CORPORATIONInventor: Robert WALDEN
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Patent number: 9642303Abstract: 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: GrantFiled: January 15, 2015Date of Patent: May 9, 2017Assignee: KUBOTA CORPORATIONInventor: Robert Walden
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Publication number: 20160212937Abstract: 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: ApplicationFiled: January 15, 2015Publication date: July 28, 2016Inventor: Robert WALDEN