Patents Assigned to Crane Company
  • Patent number: 10370226
    Abstract: A compressible stop for use in a crane has a housing, a rod slidably mounted within the housing, a floating piston, and a valve assembly. The floating piston divides the housing into a gas portion biasing the floating piston towards an end of the housing and a liquid portion containing a hydraulic fluid. The valve assembly divides the liquid portion into a support portion and a reserve portion. The valve assembly includes a check valve allowing a liquid to flow from the reserve portion into the support portion, a pressure sensitive valve inhibiting the liquid from flowing from the support portion into the reserve portion unless the pressure is above a threshold pressure, and a frangible divider configured to rupture when the liquid pressure exceeds a rupture pressure.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: August 6, 2019
    Assignee: MANITOWOC CRANE COMPANIES, LLC
    Inventors: Stephen Anthony Vossen, Jonathan Michael Borlee, Joel David Zick, Timothy James Albinger
  • Patent number: 10336589
    Abstract: A mobile lift crane includes a carbody; a rotating bed; a boom; a moveable counterweight unit; at least one linear actuation device; and at least one arm pivotally connected at a first end to the rotating bed and at a second end to the linear actuation device. The arm and linear actuation device are connected between the rotating bed and the counterweight unit such that extension and retraction of the linear actuation device changes the position of the counterweight unit compared to the rotating bed. In one method of operation, the counterweight unit is never supported by the ground during crane pick, move and set operations other than indirectly by the ground engaging members on the carbody.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: July 2, 2019
    Assignee: Manitowoc Crane Companies, LLC
    Inventors: David J. Pech, Kenneth J. Porubcansky
  • Publication number: 20190177134
    Abstract: A lift crane includes a carbody and movable ground engaging members mounted on the carbody. A rotating bed is rotatably connected to the carbody and includes a counterweight support frame including a rack coupled directly to a lower surface of the rotating bed. A boom is pivotally mounted to the rotating bed. A counterweight unit includes a trolley, the counterweight unit being in a movable relationship with respect to the rotating bed. A counterweight unit movement device is configured to move the counterweight unit toward and away from the boom. Other embodiments include a counterweight support beam movably connected to the rotating bed, the counterweight support beam including another rack coupled to a lower surface of the counterweight support beam. A counterweight support beam movement device is connected between the counterweight support beam and the counterweight support frame.
    Type: Application
    Filed: December 28, 2018
    Publication date: June 13, 2019
    Applicant: MANITOWOC CRANE COMPANIES, LLC
    Inventors: David J. Pech, Joseph R. Rucinski, Joel D. Zick, Bronson E. Foust, Charles E. Wernecke
  • Publication number: 20190144247
    Abstract: A method for calculating a crane capacity for a crane having a variable position counterweight at a locked position includes determining a boom combination and determining a maximum capacity at a hook position for the boom combination. A maximum target value for an operating condition dependent on a balance of the crane is determined. An indication of the locked counterweight position is received. At least one new target value for the operating condition dependent on the balance of the crane between the variable position counterweight at the locked counterweight position is established. A new capacity of the crane is calculated by decrementing the maximum capacity of the crane proportionally to a difference in the maximum target value and the at least one new target value. Cranes and crane control systems employing the method are also disclosed.
    Type: Application
    Filed: November 10, 2017
    Publication date: May 16, 2019
    Applicant: Manitowoc Crane Companies, LLC
    Inventors: Timothy James Albinger, Brian Nicholas Nysse
  • Patent number: 10280049
    Abstract: An intermediate suspension connection column segment designed for use in constructing a column which is supported by a suspension that includes a first end having a first connection configured to connect to a first adjacent column segment; a second end opposite the first end, the second end having a second connection configured to connect to a second adjacent column segment; and an intermediate suspension connection between the first connection and the second connection, the intermediate suspension connection configured to couple an intermediate suspension between the suspension and the column.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: May 7, 2019
    Assignee: MANITOWOC CRANE COMPANIES, LLC
    Inventors: Timothy J. Albinger, Joseph R. Rucinski, Derrick L. Geiser, Ryan M. Fickau, Ian M. Moore
  • Patent number: 10183848
    Abstract: A lift crane includes a carbody and movable ground engaging members mounted on the carbody. A rotating bed is rotatably connected to the carbody and includes a counterweight support frame including a rack coupled directly to a lower surface of the rotating bed. A boom is pivotally mounted to the rotating bed. A counterweight unit movement device is configured to move the counterweight unit toward and away from the boom. At least one auxiliary member includes a counterweight pad that is configured to not touch the ground during a pick, move, and set operation. A linear actuator is configured to adjust a distance that the counterweight pad is above the ground.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: January 22, 2019
    Assignee: Manitowoc Crane Companies, LLC
    Inventors: Timothy J. Albinger, Jonathan M. Borlee, Derrick L. Geiser, Ingo Noeske, Brian N. Nysse, William J. O'Neil, Brandon D. Resch, David A. Robertson, Joseph R. Rucinski, John W. Taylor, Joel D. Zick
  • Patent number: 10183847
    Abstract: A system and method for retaining a linear actuator on a crane component such as a mast is disclosed. In the system a retaining mechanism is mounted on either a body of the linear actuator or the crane component and a catch is mounted to the other of the body or the crane component. Retraction of a rod of the linear actuator causes a cap on the rod to contact the retaining mechanism, which causes the retaining mechanism to move into a latched configuration securing the linear actuator.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: January 22, 2019
    Assignee: Manitowoc Crane Companies, LLC
    Inventor: Nathan P. Holly
  • Patent number: 10179722
    Abstract: A lift crane includes a carbody and movable ground engaging members mounted on the carbody. A rotating bed is rotatably connected to the carbody and includes a counterweight support frame including a rack coupled directly to a lower surface of the rotating bed. A boom is pivotally mounted to the rotating bed. A counterweight unit includes a trolley, the counterweight unit being in a movable relationship with respect to the rotating bed. A counterweight unit movement device is configured to move the counterweight unit toward and away from the boom. Other embodiments include a counterweight support beam movably connected to the rotating bed, the counterweight support beam including another rack coupled to a lower surface of the counterweight support beam. A counterweight support beam movement device is connected between the counterweight support beam and the counterweight support frame.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: January 15, 2019
    Assignee: Manitowoc Crane Companies, LLC
    Inventors: David J. Pech, Joseph R. Rucinski, Joel D. Zick, Bronson E. Foust, Charles E. Wernecke
  • Patent number: 10173868
    Abstract: A system and method for calculating a crane capacity for a crane having a variable position counterweight at an intermediate position is disclosed. In the method a boom combination is determined and a maximum capacity at a hook position is determined for the boom combination. A target value for an operating condition is established dependent on a balance of the crane between the variable position counterweight and a load on the hook. An indication is received of an intermediate counterweight position, and a load is calculated for the hook at the hook position for the boom combination and the intermediate counterweight position that results in the operating condition having the target value to determine an intermediate capacity. The intermediate capacity is compared with the maximum capacity and the lower of the maximum capacity and the intermediate capacity is output.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: January 8, 2019
    Assignee: Manitowoc Crane Companies, LLC
    Inventors: Brian Nicholas Nysse, Timothy James Albinger
  • Patent number: 10173867
    Abstract: A cab support assembly supports and moves an operator's cab relative to a frame of a construction machine. The cab support assembly includes a cab support coupled to the frame of the construction machine. The operator's cab is mounted to a cab support mounting frame, which in turn is pivotably coupled to the cab support. An actuation device is coupled to the cab support and to the cab support mounting frame. The actuation device includes a first actuation device position in which the cab support frame is in a first position in which the cab support mounting frame defines a first plane, and at least a second actuation device position in which the cab support mounting frame is in a second position such that the cab support mounting frame defines a second plane that intersects the first plane at a negative angle.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: January 8, 2019
    Assignee: Manitowoc Crane Companies, LLC
    Inventors: Brandon D. Resch, James M. Gauthier, William J. O'Neil
  • Patent number: 10173869
    Abstract: A gravity actuated crane stop for a crane is disclosed. The gravity actuated crane stop has a first connector at a first end configured to couple to a first crane member and an interface at a second end configured to interface with a second crane member. A gravity actuated mechanism is disposed on the body and has a first configuration in which gravity actuated mechanism disables the interface, and a second configuration in which the gravity actuated mechanism does not disable the interface. The gravity actuated mechanism is automatically changeable from the first configuration to the second configuration as the body is moved from a first orientation relative to a horizontal plane to a second orientation relative to the horizontal plane.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: January 8, 2019
    Assignee: Manitowoc Crane Companies, LLC
    Inventors: Ian M. Moore, Derrick L. Geiser
  • Patent number: D845987
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: April 16, 2019
    Assignee: MANITOWOC CRANE COMPANIES, LLC
    Inventor: John M. Alexander
  • Patent number: D845988
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: April 16, 2019
    Assignee: MANITOWOC CRANE COMPANIES, LLC
    Inventor: John M. Alexander
  • Patent number: D852833
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: July 2, 2019
    Assignee: MANITOWOC CRANE COMPANIES, LLC
    Inventor: John M. Alexander
  • Patent number: D852834
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: July 2, 2019
    Assignee: MANITOWOC CRANE COMPANIES, LLC
    Inventor: John M. Alexander
  • Patent number: D852835
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: July 2, 2019
    Assignee: MANITOWOC CRANE COMPANIES, LLC
    Inventor: John M. Alexander
  • Patent number: D853426
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: July 9, 2019
    Assignee: MANITOWOC CRANE COMPANIES, LLC
    Inventor: John M. Alexander
  • Patent number: D853427
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: July 9, 2019
    Assignee: MANITOWOC CRANE COMPANIES, LLC
    Inventor: John M. Alexander
  • Patent number: D853428
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: July 9, 2019
    Assignee: MANITOWOC CRANE COMPANIES, LLC
    Inventor: John M. Alexander
  • Patent number: D854041
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: July 16, 2019
    Assignee: MANITOWOC CRANE COMPANIES, LLC
    Inventor: John M. Alexander