47 patents
Page 2 of 3
Utility
Wear pad with insert for telescoping boom assembly
7 Sep 21
A wear pad for a telescoping boom assembly includes a wear pad body having a first surface and a second surface oppositely positioned from the first surface and spaced from the first surface by a height of the wear pad body, a groove formed in one of the first surface and the second surface, the groove extending along a length of the wear pad body, and an insert positioned in the groove such that a portion of the insert projects outwardly from the groove.
Bradley Charles Calaman, John Fremont Benton
Filed: 27 Feb 18
Utility
System and Method for Monitoring Crane and Crane Having Same
17 Jun 21
A crane includes a carrier unit having a chassis, tires connected to the chassis, a carrier deck and outriggers.
Stephen J. Schoonmaker, John F. Benton, Michael Stake
Filed: 16 Dec 20
Utility
Electronically controlled hydraulic swing system
2 Feb 21
A hydraulic circuit for use on a construction machine includes a first valve, a second valve, and at least a third valve.
John F. Benton, Mark A. Harbold, Todd Snider, David R. Peiffer
Filed: 26 Jan 18
Utility
Lift Crane with Improved Movable Counterweight
14 Jan 21
A lift crane includes a carbody and movable ground engaging members mounted on the carbody.
David J. Pech, Joseph R. Rucinski, Joel D. Zick, Bronson E. Foust, Charles E. Wernecke
Filed: 10 Apr 20
Utility
Cylinder retention device
4 Jan 21
A system and method for retaining a linear actuator on a crane component such as a mast is disclosed.
Nathan P. Holly
Filed: 9 Apr 20
Utility
Pinned Telescoping Crane Boom
30 Dec 20
A drive system (46) for a telescoping boom (22) includes an elongated member (48), a locking head (50) configured to be driven on the elongated member, an actuator (52) configured to drive the locking head on the elongated member, and a cabling assembly (54) interconnected between the actuator and the locking head such that the locking head is driven on the elongated member in response to operation of the actuator, the cabling assembly including a cable (64) and a plurality of sheaves (66, 68).
Stephen J. Schoonmaker
Filed: 11 Mar 19
Utility
Electric Actuation Assembly for Crane Pinned Boom
23 Dec 20
A pin actuator assembly for a telescoping boom includes a locking head having a base, an operating plate operably coupled to the base, one or more cylinder pins and/or one or more section lock arms movable in response to movement of the operating plate relative to the base.
Stephen J. Schoonmaker
Filed: 23 Jun 20
Utility
Mobile lift crane with variable position counterweight
14 Dec 20
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.
David J. Pech, Kenneth J. Porubcansky
Filed: 19 May 19
Utility
Measurement system
23 Nov 20
A measurement system includes a plurality of RFID tags, each RFID tag configured to output tag information, each RFID tag having a width and spaced from an adjacent RFID tag by a pitch, a single RFID reader configured to read the tag information from at least one RFID tag of the plurality of RFID tags and a plate having a window disposed between the RFID reader and the plurality of RFID tags, wherein the window is dimensioned to control a transmission range between the RFID tags and the RFID reader.
John R. Rudy
Filed: 26 Dec 18
Utility
Optical detection system for lift crane
9 Nov 20
A crane includes a carrier, a superstructure mounted on the carrier and including a boom, a cable extending from the boom, a lifting appliance coupled to the cable, and an optical detection system.
John R. Rudy, Matthew Thoresen, Ingo Schiller
Filed: 20 Nov 17
Utility
Outrigger pad assembly having a force sensor
2 Nov 20
An outrigger pad assembly includes a base having a bottom surface for engaging an underlying support surface and a top surface opposite to the bottom surface, a force sensor mounted to the base, and an interface body.
Stephen J. Schoonmaker
Filed: 28 Feb 19
Utility
Crane 3D workspace spatial techniques for crane operation in proximity of obstacles
2 Nov 20
A method for controlling a crane component of a tower crane in proximity of obstacles at a worksite by defining a forbidden volume is disclosed.
Stephen J. Schoonmaker
Filed: 21 Feb 18
Utility
Mobile Crane Travel Gear Axle
16 Sep 20
The invention relates to a mobile crane travel gear axle with suspensions, which are independent of one another, of the wheel carriers arranged on both sides of the travel gear frame of the mobile crane, wherein the suspensions each have at least one transverse link which couples the wheel carrier to the travel gear frame and which is connected to the travel gear frame so as to be rotatable about an axis extending substantially parallel to the longitudinal axis of the travel gear frame.
Bernd Backes, Dieter Stuhrwoldt, Frank C. Schnittker
Filed: 6 Nov 18
Utility
Cylinder Retention Device
2 Sep 20
A system and method for retaining a linear actuator on a crane component such as a mast is disclosed.
Nathan P. Holly
Filed: 9 Apr 20
Utility
Segmented shape-compliant wear pad for telescoping boom assembly
31 Aug 20
A construction vehicle includes a telescoping boom assembly that includes a first section and at least a second section configured to nest within and to extend from the first section.
Kurt W. Richter, John F. Benton, Jonathan M. Burkett, Donald C. Hade, Jr.
Filed: 25 Jul 16
Utility
Optical detection and analysis of crane hoist and rope
20 Jul 20
A crane includes a carrier and a superstructure.
John R. Rudy, Matthew Thoresen
Filed: 20 Nov 17
Utility
Bolting device
20 Jul 20
The invention relates to a bolting device having two bolts which are held rotationally secure and coupled to each other via a spindle element, wherein: a first bolt is connected via a threaded engagement to a corresponding thread of the spindle element; rotating the spindle element about its central longitudinal axis causes the first bolt to move along the longitudinal axis; and a second bolt is rotationally mounted on the spindle element in a fixed axial position.
Nils Ehrentraut, Arthur Haag
Filed: 23 Jan 18
Utility
Adjustable length tensioning member
20 Jul 20
An adjustable length tensioning member that comprises a rope, a first connector on the rope, a second connector on the rope, and a plurality of connection points between the first connector and the second connector is disclosed.
Ian M. Moore, Derrick L. Geiser
Filed: 7 Nov 19
Utility
System and method for calculation of capacity charts at a locked counterweight position
6 Jul 20
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.
Timothy James Albinger, Brian Nicholas Nysse
Filed: 9 Nov 17
Utility
Crane Having a Closed Hydraulic Circuit
1 Jul 20
A crane, in particular a mobile crane, having a closed hydraulic circuit in which a hydraulic pump is hydraulically connected to at least one hydraulic motor via a feed and a discharge, and in which the feed is hydraulically connected to the discharge via at least one bypass which bypasses the at least one hydraulic motor, wherein the at least one bypass includes a continuously adjustable valve for variably controlling the fluid flow bypassing the at least one hydraulic motor.
Thomas Jaenicke, Verena Bohmann, Alexander Suntay
Filed: 7 Jun 18