Patents by Inventor Robert Stewart Boyd
Robert Stewart Boyd 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: 11255069Abstract: A front loader includes a link operating mechanism spanning a bucket and a stand. The link operating mechanism is configured to cause, using a swing force of the bucket, a bending and stretching link to bend so that propping and supporting of the bending and stretching link are released.Type: GrantFiled: July 14, 2020Date of Patent: February 22, 2022Assignee: Kubota CorporationInventors: Robert Stewart Boyd, Erik Baker
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Patent number: 11168461Abstract: A front loader includes a boom, a main frame attached to a vehicle body, a sub frame supporting the boom and being detachably attached to the main frame. The front loader includes a receiving tool provided on the main frame a cylindrical shaft provided on the sub frame and configured to be engaged with the receiving tool when attaching the sub frame to the main frame, a protruding portion protruding from the main frame and configured to guide the cylindrical shaft to be engaged with the receiving tool, and a coupling plate provided on the sub frame, the coupling plate having an opening through which the protruding portion is inserted when the cylindrical shaft is engaged with the receiving tool. The protruding portion protrudes forward from the main frame in a front-rear direction of the vehicle body.Type: GrantFiled: October 23, 2020Date of Patent: November 9, 2021Assignee: KUBOTA CORPORATIONInventors: Robert Stewart Boyd, Erik Baker
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Patent number: 10982412Abstract: A hydraulic system includes: a boom cylinder; a working tool cylinder; a boom control valve; a working tool control valve; first and second fluid tubes through which operation fluid is supplied to the boom cylinder; third and fourth fluid tubes through which operation fluid is supplied to the working tool cylinder; a first relief valve provided in a first bypass fluid tube and configured to allow the operation fluid to flow from the fourth fluid tube toward the first fluid tube and to block the operation fluid flowing from the first fluid tube toward the fourth fluid tube; and a second relief valve provided in a second bypass fluid tube and configured to allow the operation fluid to flow from the third fluid tube toward the second fluid tube and to block the operation fluid flowing from the second fluid tube toward the third fluid tube.Type: GrantFiled: June 12, 2020Date of Patent: April 20, 2021Assignee: KUBOTA CORPORATIONInventors: Robert Stewart Boyd, Kosuke Oyama
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Publication number: 20210040709Abstract: A front loader includes a boom, a main frame attached to a vehicle body, a sub frame supporting the boom and being detachably attached to the main frame. The front loader includes a receiving tool provided on the main frame a cylindrical shaft provided on the sub frame and configured to be engaged with the receiving tool when attaching the sub frame to the main frame, a protruding portion protruding from the main frame and configured to guide the cylindrical shaft to be engaged with the receiving tool, and a coupling plate provided on the sub frame, the coupling plate having an opening through which the protruding portion is inserted when the cylindrical shaft is engaged with the receiving tool. The protruding portion protrudes forward from the main frame in a front-rear direction of the vehicle body.Type: ApplicationFiled: October 23, 2020Publication date: February 11, 2021Inventors: Robert Stewart BOYD, Erik BAKER
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Publication number: 20200407944Abstract: A hydraulic system includes: a boom cylinder; a working tool cylinder; a boom control valve; a working tool control valve; first and second fluid tubes through which operation fluid is supplied to the boom cylinder; third and fourth fluid tubes through which operation fluid is supplied to the working tool cylinder; a first relief valve provided in a first bypass fluid tube and configured to allow the operation fluid to flow from the fourth fluid tube toward the first fluid tube and to block the operation fluid flowing from the first fluid tube toward the fourth fluid tube; and a second relief valve provided in a second bypass fluid tube and configured to allow the operation fluid to flow from the third fluid tube toward the second fluid tube and to block the operation fluid flowing from the second fluid tube toward the third fluid tube.Type: ApplicationFiled: June 12, 2020Publication date: December 31, 2020Applicant: KUBOTA CORPORATIONInventors: Robert STEWART BOYD, Kosuke OYAMA
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Patent number: 10851518Abstract: A front loader includes a boom, a main frame attached to a vehicle body, and a sub frame supporting the boom. The sub frame is attached to the main frame and configured to be detached from the main frame. The front loader includes a first engaging portion provided on the main frame, a second engaging portion provided on the sub frame and configured to be engaged with the first engaging portion when the sub frame is attached to the main frame, a guide portion provided on the main frame and configured to guide the second engaging portion to be engaged with the first engaging portion, and an opening member provided on the sub frame and provided with an opening portion to which the guide portion is inserted when the second engaging portion is engaged with the first engaging portion.Type: GrantFiled: March 14, 2019Date of Patent: December 1, 2020Assignee: KUBOTA CORPORATIONInventors: Robert Stewart Boyd, Erik Baker
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Publication number: 20200340202Abstract: A front loader includes a link operating mechanism spanning a bucket and a stand. The link operating mechanism is configured to cause, using a swing force of the bucket, a bending and stretching link to bend so that propping and supporting of the bending and stretching link are released.Type: ApplicationFiled: July 14, 2020Publication date: October 29, 2020Inventors: Robert Stewart Boyd, Erik Baker
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Patent number: 10815641Abstract: A link operating mechanism is provided spanning a bucket and a stand. The link operating mechanism causes, using a swing force of the bucket, a bending/stretching link to bend so that propping and supporting of the bending/stretching link are released.Type: GrantFiled: June 17, 2019Date of Patent: October 27, 2020Assignee: Kubota CorporationInventor: Robert Stewart Boyd
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Publication number: 20200291605Abstract: A front loader includes a boom, a main frame attached to a vehicle body, and a sub frame supporting the boom. The sub frame is attached to the main frame and configured to be detached from the main frame. The front loader includes a first engaging portion provided on the main frame, a second engaging portion provided on the sub frame and configured to be engaged with the first engaging portion when the sub frame is attached to the main frame, a guide portion provided on the main frame and configured to guide the second engaging portion to be engaged with the first engaging portion, and an opening member provided on the sub frame and provided with an opening portion to which the guide portion is inserted when the second engaging portion is engaged with the first engaging portion.Type: ApplicationFiled: March 14, 2019Publication date: September 17, 2020Applicant: KUBOTA CORPORATIONInventors: Robert Stewart BOYD, Erik BAKER
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Patent number: 10753063Abstract: A front loader includes a link operating mechanism spanning a bucket and a stand. The link operating mechanism is configured to cause, using a swing force of the bucket, a bending and stretching link to bend so that propping and supporting of the bending and stretching link are released.Type: GrantFiled: June 19, 2018Date of Patent: August 25, 2020Assignee: Kubota CorporationInventors: Robert Stewart Boyd, Erik Baker
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Publication number: 20190301128Abstract: A link operating mechanism is provided spanning a bucket and a stand. The link operating mechanism causes, using a swing force of the bucket, a bending/stretching link to bend so that propping and supporting of the bending/stretching link are released.Type: ApplicationFiled: June 17, 2019Publication date: October 3, 2019Inventor: Robert Stewart Boyd
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Patent number: 10370819Abstract: A link operating mechanism is provided spanning a bucket and a stand. The link operating mechanism causes, using a swing force of the bucket, a bending or stretching link to bend so that propping and supporting of the bending or stretching link are released.Type: GrantFiled: June 18, 2018Date of Patent: August 6, 2019Assignee: Kubota CorporationInventor: Robert Stewart Boyd
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Patent number: 10352019Abstract: A front loader includes a boom, a first pivotal shaft disposed on a tip portion of the boom, a bucket supported by the first pivotal shaft to be capable of performing a shoveling movement and a dumping movement, a boom cylinder to swing the boom, a bucket cylinder to move the bucket to make the bucket perform the shoveling movement and the dumping movement, a control valve to be switched to any one of a first state supplying an operation fluid to the bucket cylinder and a second state stopping supplying the operation fluid to the bucket cylinder, a first movable member to turn around the first pivotal shaft in accordance with the movement of the bucket, and a wire connecting the first movable member to the control valve.Type: GrantFiled: May 25, 2017Date of Patent: July 16, 2019Assignee: KUBOTA CORPORATIONInventors: Robert Stewart Boyd, Daniel Underwood, Carlos Cabrera
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Publication number: 20190194902Abstract: A link operating mechanism is provided spanning a bucket and a stand. The link operating mechanism is configured to cause, using a swing force of the bucket, a bending/stretching link to bend so that propping and supporting of the bending/stretching link are released.Type: ApplicationFiled: June 19, 2018Publication date: June 27, 2019Inventors: Robert Stewart Boyd, Erik Baker
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Publication number: 20190194906Abstract: A link operating mechanism is provided spanning a bucket and a stand. The link operating mechanism causes, using a swing force of the bucket, a bending or stretching link to bend so that propping and supporting of the bending or stretching link are released.Type: ApplicationFiled: June 18, 2018Publication date: June 27, 2019Inventor: Robert Stewart Boyd
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Patent number: 10182525Abstract: A method of operating an agricultural vehicle having a feeder housing and a header. The method includes the steps of providing an automated adjustment system configured for adjusting at least one of: at least one header function, at least one feeder housing function, and at least one agricultural vehicle function. The automated adjustment system includes a controller and a memory operably coupled to the controller. The method includes the further steps of receiving an input from one of an operator manually inputting the input or the header automatically communicating the input, defining an origin position, calibrating an origin pitch angle of the header, adjusting a position of the header, maintaining the origin position, determining a condition, and adjusting or maintaining at least one of the at least one header function, the at least one feeder housing function, and the at least one agriculture vehicle function in response to the condition.Type: GrantFiled: May 17, 2017Date of Patent: January 22, 2019Assignee: CNH Industrial America LLCInventors: Nathan E. Isaac, Robert Stewart Boyd
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Publication number: 20180340313Abstract: A front loader includes a boom, a first pivotal shaft disposed on a tip portion of the boom, a bucket supported by the first pivotal shaft to be capable of performing a shoveling movement and a dumping movement, a boom cylinder to swing the boom, a bucket cylinder to move the bucket to make the bucket perform the shoveling movement and the dumping movement, a control valve to be switched to any one of a first state supplying an operation fluid to the bucket cylinder and a second state stopping supplying the operation fluid to the bucket cylinder, a first movable member to turn around the first pivotal shaft in accordance with the movement of the bucket, and a wire connecting the first movable member to the control valve.Type: ApplicationFiled: May 25, 2017Publication date: November 29, 2018Applicant: KUBOTA CORPORATIONInventors: Robert Stewart BOYD, Daniel UNDERWOOD, Carlos CABRERA
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Publication number: 20180332768Abstract: A method of operating an agricultural vehicle having a feeder housing and a header. The method includes the steps of providing an automated adjustment system configured for adjusting at least one of: at least one header function, at least one feeder housing function, and at least one agricultural vehicle function. The automated adjustment system includes a controller and a memory operably coupled to the controller. The method includes the further steps of receiving an input from one of an operator manually inputting the input or the header automatically communicating the input, defining an origin position, calibrating an origin pitch angle of the header, adjusting a position of the header, maintaining the origin position, determining a condition, and adjusting or maintaining at least one of the at least one header function, the at least one feeder housing function, and the at least one agriculture vehicle function in response to the condition.Type: ApplicationFiled: May 17, 2017Publication date: November 22, 2018Applicant: CNH Industrial America LLCInventors: Nathan E. Isaac, Robert Stewart Boyd
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Patent number: 10036138Abstract: A link operating mechanism is provided spanning a bucket and a stand. The link operating mechanism causes, using a swing force of the bucket, a bending/stretching link to bend so that propping and supporting of the bending/stretching link are released.Type: GrantFiled: December 27, 2017Date of Patent: July 31, 2018Assignee: Kubota CorporationInventor: Robert Stewart Boyd
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Patent number: 9686918Abstract: A combine has a a threshing and separating system to separate grain from crop material and a feeder housing receives crop material from the harvesting head and conveys it to the threshing and separating system. A grain tank has a conveyor for transferring separated grain to the grain tank. The feeder housing has a perforated floor section sufficiently coarse to permit passage of grain to a conveyor beneath the perforated floor section that receives the grain and delivers it to downstream of the threshing and separating system or the separated grain conveyor.Type: GrantFiled: October 8, 2015Date of Patent: June 27, 2017Assignee: CNH Industrial America LLCInventors: Matthew D. Weeks, Robert Stewart Boyd