Patents
Patents for B66C 23 - Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes (16,687)
11/1983
11/29/1983US4417664 Method and apparatus for mounting lift crane on offshore structures
11/29/1983US4417424 Segmented extendible boom
11/22/1983CA1157394A1 Vehicle stabilizers
11/15/1983CA1156978A1 Hitch and snatch boom assembly
11/10/1983WO1983003816A1 Multiple offset boom extension
11/08/1983CA1156699A1 Supporting chassis for a working machine provided with a rotary turret
11/08/1983CA1156614A1 Bumper mounted hoist and movable hitch
11/08/1983CA1156613A1 Telescopic crane boom having rotatable extend/retract screws
11/01/1983US4412775 Vacuum assisted machine for handling articles
11/01/1983US4412622 Telescoping strut crane
10/1983
10/25/1983US4411368 Safety system for hydraulically controlled hoisting apparatus
10/11/1983US4408424 Telescoping cylinder stabilizer
10/04/1983US4408195 Boundary plane warning system
09/1983
09/28/1983EP0089614A2 Bumper mounted hoist and movable hitch
09/27/1983US4406574 Vehicle assist for disabled
09/27/1983US4406375 Telescopic boom construction
09/27/1983US4406097 Telescopic mechanism
09/13/1983US4403704 Vertically pivotable boom bending device for crane
09/06/1983US4402413 Counterweight arrangement
08/1983
08/23/1983US4399881 Track working or transport vehicle
08/17/1983EP0085962A2 Hydraulic control system especially for swinging loads
08/09/1983US4397479 Supporting leg for mobile constructions
08/09/1983US4397396 Truck crane having an elongated main frame
08/09/1983CA1151711A1 Supporting chassis for a working machine, such as a hydraulic shovel
08/09/1983CA1151601A2 Industrial crane
08/03/1983EP0084981A2 Method for folding and unfolding an extension jib in wheeled type crane, and crane therefor
08/02/1983US4396127 Twin-type slewing crane
08/02/1983US4396126 Telescoping crane boom
07/1983
07/26/1983US4395706 Boom limit safety control circuit
07/26/1983US4395192 Boom cylinder
07/26/1983US4395140 Bearing mounting with hydraulic fastening means for cranes and the like
07/26/1983US4394914 Telescopic cranes
07/26/1983US4394913 Crane having power operated outriggers and lock means therefor
07/26/1983US4394912 Mobile crane having telescoping outriggers and power operated screw means for same
07/26/1983US4394911 Heavy duty crane
07/19/1983US4394108 Front loader vehicle with telescoping boom
07/19/1983CA1150198A1 Method of extending a jib of a telescopic crane
07/12/1983US4392698 Industrial crane with rotary electrical connector
07/12/1983US4392574 Tower crane
07/12/1983US4392573 Tie rope compensation arrangement
07/06/1983EP0082991A1 Security attachment for large roller bearings, in particular for dredges and cranes
07/05/1983US4391477 Quick release mounting for a turntable bearing
07/05/1983US4391379 Lifting apparatus adapted for mounting in a vehicle trunk
07/05/1983US4391342 Steering mechanism for vehicles equipped with power steering system
07/05/1983US4391341 Supporting chassis for a working machine, such as a hydraulic shovel
07/05/1983CA1149372A1 Method of and apparatus for transporting articles
07/05/1983CA1149318A1 Apparatus for loading and unloading railway cars
06/1983
06/29/1983EP0082377A1 Extendable support for telescoping boom
06/29/1983EP0082290A2 Crane with a movable work platform
06/28/1983US4390315 Fire fighting boom assembly for service vessel
06/21/1983CA1148506A1 Concentric ring segment supported lift crane
06/14/1983US4388037 Hoist accessory for pallet trucks
06/14/1983US4387814 Traveling attachment for ring supported lift crane
06/14/1983US4387813 Movable ring supported lift crane
06/14/1983CA1148122A1 Multi-purpose utility vehicle
06/07/1983US4386711 Crane having stabilizer outriggers and vertically positionable jacks for same
06/01/1983EP0080002A1 Mobile yard crane for the handling of containers
05/1983
05/31/1983US4385704 Crane boom top plate lateral support
05/25/1983EP0079812A2 Automotive vehicle with mixed use for trailing and lifting
05/25/1983EP0079328A1 A heavy-duty fore-and-aft working ship's crane
05/17/1983US4383792 Crane for detachable mounting on a truck bed
05/17/1983US4383617 Vehicle outrigger support system
05/17/1983US4383616 Luffing jib for construction crane
05/17/1983CA1146499A1 Separated ring segment dual pivot lift crane
05/11/1983WO1983001611A1 Remotely operable latch and locking pin for a multi-section boom including a manual fly section
05/10/1983US4382519 Traveling attachment for ring supported lift crane
04/1983
04/29/1983EP0058671A4 Force-moment compensating apparatus.
04/27/1983EP0077638A2 Derrick crane
04/26/1983US4381060 Ring supported mobile tower crane
04/19/1983US4380244 Hose control system
04/13/1983EP0076384A1 Bearing mounting with hydraulic fastening means for cranes and the like
04/05/1983US4378933 Crane assembly
03/1983
03/29/1983CA1143700A1 High-strength light-weight boom section for telescopic crane boom
03/22/1983US4377369 Apparatus for loading and unloading railway cars
03/15/1983CA1142874A1 Transfer of crane from tower
02/1983
02/23/1983EP0072697A1 Outrigger device for wheel-mounted working machines
02/23/1983EP0072567A2 Boundary plane warning system
02/22/1983US4374566 Jib crane with polycentrical trajectory
02/15/1983US4373853 Log handling machine
02/01/1983US4371086 Support structures of excavating machines
01/1983
01/19/1983EP0069991A2 Lifting device for manually moving loads
01/18/1983US4368824 Safe load indicator
01/11/1983US4367673 System and method for controlling the elevation of a boom hoist device
01/04/1983CA1138825A1 Safety control system for the boom of a crane
01/04/1983CA1138824A1 Movable ring supported lift crane
01/04/1983CA1138823A1 Traveling attachment for ring supported lift crane
12/1982
12/28/1982US4365926 Free-hanging load carrier for boom, with brake
12/15/1982EP0066917A1 Gamma tomography apparatus comprising a parallelogram suspension system
12/14/1982US4363413 Endless chain drive for telescopic jib sections
12/14/1982US4363412 Crane counterweight and handling method
12/14/1982US4363410 Split topping lift gear
12/14/1982US4363409 Multi-purpose utility vehicle
12/08/1982EP0066567A2 Crane mountable on a truck
12/07/1982CA1137032A1 Crane attachments for backhoe and tractor
11/1982
11/30/1982US4361104 Twin hull semisubmersible derrick barge
11/23/1982US4360111 Crane with telescopic jib
11/17/1982EP0064896A1 Crane wagon provided with a movable counter weight device
11/16/1982US4359164 Floating crane apparatus
11/16/1982CA1135659A1 Portable boom structure
11/09/1982US4358021 Separated ring segment dual pivot lift crane