Patents by Inventor Kenneth Earl Price

Kenneth Earl Price 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).

  • Adjustable fail-safe rotary spring operator with a retaining band
    Patent number: 11365824
    Abstract: A rotary spring-return actuator operator is provided with a multi-slot shaft and a clock type spring retained by a retaining band which encircles the spring in such a manner as to insure that the potential energy within the spring is safely contained during all operations requiring disassembly of the actuator assembly, and wherein the retaining band facilitates the in-field reversal of the spring direction or the adjustment of the spring preload by securing the spring to one or more of the slots on the multi-slot shaft.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: June 21, 2022
    Assignee: Rotork Plc
    Inventors: Frederick Rand Underwood, Frederick Rand Underwood, III, Kenneth Earl Price
  • Adjustable fail-safe rotary spring operator with a retaining band
    Patent number: 10228073
    Abstract: A rotary spring-return actuator operator is provided with a multi-slot shaft and a clock type spring retained by a retaining band which encircles the spring in such a manner as to insure that the potential energy within the spring is safely contained during all operations requiring disassembly of the actuator assembly, and wherein the retaining band facilitates the in-field reversal of the spring direction or the adjustment of the spring preload by securing the spring to one or more of the slots on the multi-slot shaft.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: March 12, 2019
    Assignee: CONTROLS INTERNATIONAL, INC.
    Inventors: Frederick Rand Underwood, Jr., Frederick Rand Underwood, III, Kenneth Earl Price
  • ADJUSTABLE FAIL-SAFE ROTARY SPRING OPERATOR WITH A RETAINING BAND
    Publication number: 20190072203
    Abstract: A rotary spring-return actuator operator is provided with a multi-slot shaft and a clock type spring retained by a retaining band which encircles the spring in such a manner as to insure that the potential energy within the spring is safely contained during all operations requiring disassembly of the actuator assembly, and wherein the retaining band facilitates the in-field reversal of the spring direction or the adjustment of the spring preload by securing the spring to one or more of the slots on the multi-slot shaft.
    Type: Application
    Filed: October 31, 2018
    Publication date: March 7, 2019
    Inventors: Frederick Rand Underwood, Frederick Rand Underwood, III, Kenneth Earl Price
  • Adjustable fail-safe rotary spring operator with a retaining band
    Patent number: 10145489
    Abstract: A rotary spring-return actuator operator is provided with a multi-slot shaft and a clock type spring retained by a retaining band which encircles the spring in such a manner as to insure that the potential energy within the spring is safely contained during all operations requiring disassembly of the actuator assembly, and wherein the retaining band facilitates the in-field reversal of the spring direction or the adjustment of the spring preload by securing the spring to one or more of the slots on the multi-slot shaft.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: December 4, 2018
    Inventors: Frederick Rand Underwood, Jr., Frederick Rand Underwood, III, Kenneth Earl Price
  • ADJUSTABLE FAIL-SAFE ROTARY SPRING OPERATOR WITH A RETAINING BAND
    Publication number: 20160161016
    Abstract: A rotary spring-return actuator operator is provided with a multi-slot shaft and a clock type spring retained by a retaining band which encircles the spring in such a manner as to insure that the potential energy within the spring is safely contained during all operations requiring disassembly of the actuator assembly, and wherein the retaining band facilitates the in-field reversal of the spring direction or the adjustment of the spring preload by securing the spring to one or more of the slots on the multi-slot shaft.
    Type: Application
    Filed: October 2, 2015
    Publication date: June 9, 2016
    Inventors: Frederick Rand Underwood, Jr., Frederick Rand Underwood, III, Kenneth Earl Price
  • ADJUSTABLE FAIL-SAFE ROTARY SPRING OPERATOR WITH A RETAINING BAND
    Publication number: 20160161021
    Abstract: A rotary spring-return actuator operator is provided with a multi-slot shaft and a clock type spring retained by a retaining band which encircles the spring in such a manner as to insure that the potential energy within the spring is safely contained during all operations requiring disassembly of the actuator assembly, and wherein the retaining band facilitates the in-field reversal of the spring direction or the adjustment of the spring preload by securing the spring to one or more of the slots on the multi-slot shaft.
    Type: Application
    Filed: October 2, 2015
    Publication date: June 9, 2016
    Inventors: Frederick Rand Underwood, JR., Frederick Rand Underwood, III, Kenneth Earl Price
  • Adjustable fail-safe rotary spring operator with a retaining band
    Patent number: 9151351
    Abstract: A rotary spring-return actuator operator is provided with a multi-slot shaft and a clock type spring retained by a retaining band which encircles the spring in such a manner as to insure that the potential energy within the spring is safely contained during all operations requiring disassembly of the actuator assembly, and wherein the retaining band facilitates the in-field reversal of the spring direction or the adjustment of the spring preload by securing the spring to one or more of the slots on the multi-slot shaft.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: October 6, 2015
    Assignee: CONTROLS INTERNATIONAL, INC.
    Inventors: Frederick Rand Underwood, Jr., Frederick Rand Underwood, III, Kenneth Earl Price
  • ADJUSTABLE FAIL-SAFE ROTARY SPRING OPERATOR WITH A RETAINING BAND
    Publication number: 20130004358
    Abstract: A rotary spring-return actuator operator is provided with a multi-slot shaft and a clock type spring retained by a retaining band which encircles the spring in such a manner as to insure that the potential energy within the spring is safely contained during all operations requiring disassembly of the actuator assembly, and wherein the retaining band facilitates the in-field reversal of the spring direction or the adjustment of the spring preload by securing the spring to one or more of the slots on the multi-slot shaft.
    Type: Application
    Filed: June 28, 2011
    Publication date: January 3, 2013
    Inventors: Frederick Rand Underwood, JR., Frederick Rand Underwood, III, Kenneth Earl Price