Patents Assigned to 4-L Manufacturing, Inc.
  • Agricultural sprayer boom assembly with multiple electronically dampened breakaway devices having increased permitted upward deflection
    Patent number: 10932461
    Abstract: According to one embodiment, there is provided a breakaway hinge for an expandable boom on an agricultural vehicle. The boom includes a first and a second section combined in a manner to allow the second section to move with respect to the first section when the second section encounters an obstruction. A breakaway hinge is provided between the first and the second section, and includes a first pivot member attached to the first section at an angle ? with respect to a vertical line and a second pivot member attached to the second section at an angle ? with respect to the vertical line. A connecting member holds the first pivot member with respect to the second pivot member.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: March 2, 2021
    Assignee: 4-L Manufacturing, Inc.
    Inventor: Dan Light
  • Agricultural sprayer boom assembly with multiple electronically dampened breakaway devices having increased permitted upward deflection
    Patent number: 10499631
    Abstract: According to one embodiment, there is provided a breakaway hinge for an expandable boom on an agricultural vehicle. The boom includes a first and a second section combined in a manner to allow the second section to move with respect to the first section when the second section encounters an obstruction. A breakaway hinge is provided between the first and the second section, and includes a first pivot member attached to the first section at an angle a with respect to a vertical line and a second pivot member attached to the second section at an angle ? with respect to the vertical line. A connecting member holds the first pivot member with respect to the second pivot member.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: December 10, 2019
    Assignee: 4-L Manufacturing, Inc.
    Inventor: Dan Light
  • Agricultural sprayer breakaway boom assembly
    Patent number: 9681654
    Abstract: According to one embodiment, there is provided a breakaway hinge for an expandable boom on an agricultural vehicle. The boom includes of a first and a second section combined in a manner to allow the second section to move with respect to the first section when the second section encounters an obstruction. A breakaway hinge is provided between the first and the second section, and includes a first pivot member attached to the first section at an angle ? with respect to a vertical line and a second pivot member attached to the second section at an angle ? with respect to the vertical line. A connecting member holds the first pivot member with respect to the second pivot member.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: June 20, 2017
    Assignee: 4-L Manufacturing, Inc.
    Inventor: Dan Light
  • Agricultural sprayer breakaway boom assembly
    Patent number: 8864048
    Abstract: According to one embodiment, there is provided a breakaway hinge for an expandable boom on an agricultural vehicle. The boom includes of a first and a second section combined in a manner to allow the second section to move with respect to the first section when the second section encounters an obstruction. A breakaway hinge is provided between the first and the second section, and includes a first pivot member attached to the first section at an angle ? with respect to a vertical line and a second pivot member attached to the second section at an angle ? with respect to the vertical line. A connecting member holds the first pivot member with respect to the second pivot member.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: October 21, 2014
    Assignee: 4-L Manufacturing, Inc.
    Inventor: Dan Light