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)
10/1987
10/06/1987CA1227771A1 Hoisting means
10/06/1987CA1227770A1 External pendant pay-out system with anti-droop control
10/03/1987CN86202467U Hydraulic conter-balancer for auto-balancing of crane truck
09/1987
09/30/1987EP0239302A2 Carrier track system for extensible and retractable boom machines
09/23/1987EP0238292A1 Service boom
09/23/1987CN86207479U Track type multiple character tower crane
09/16/1987EP0236472A1 A hydraulic crane
09/15/1987US4693384 Excavator boom derrick
09/09/1987CN86208840U Rotary hand crane
09/08/1987US4692087 Handling system and method for ship construction and repair
09/08/1987US4692084 Lifting apparatus
09/08/1987US4691904 Automatic or standard transmission handling device
09/08/1987CA1226570A1 Portable hoist
09/03/1987DE3606590A1 Device for position (displacement) measurement in telescopic booms
09/01/1987US4690290 Device of the kind comprising at least three movably co-ordinated parts
08/1987
08/26/1987EP0233726A1 Launching apparatus
08/25/1987US4688690 Method and apparatus for extending fly section of crane boom
08/25/1987US4688689 Telescoping crane boom
08/25/1987US4688688 Jib crane arrangement having a rotatable mast
08/24/1987EP0221902A4 Raise and lower apparatus.
08/20/1987DE3605045A1 Apparatus having a retaining arm for retaining a load which hangs down from a building
08/13/1987DE3604224A1 Apparatus for laying large-format masonry blocks
08/13/1987DE3604130A1 Mechanical bricklayer's aid
08/04/1987US4684031 Material hoisting gin
07/1987
07/29/1987EP0229964A2 Working vehicle, particularly for refuse disposal
07/28/1987CA1224752A1 Mobile crane
07/23/1987DE3545185C1 Luffing-crane jib
07/15/1987EP0228731A1 Pivot ring
07/15/1987EP0107717B1 Multiple offset boom extension
07/14/1987US4679489 Automatic leveling system for blast hole drills and the like
07/08/1987EP0228050A2 Compensation device
07/07/1987CA1223843A1 Floating sheave-type pendant pay-out system for pendant supported boom
07/02/1987DE3640068A1 Support device for jibs of cranes and excavators
07/02/1987DE3545965A1 Method and device for dismantling, assembling and inspecting the rotary connections of cranes
06/1987
06/30/1987US4676713 Material handling machine
06/25/1987DE3640065A1 Holding device for jib cranes with jib head members
06/25/1987DE3546036A1 Building machine
06/23/1987US4674638 In a vehicle across terrain
06/23/1987CA1223230A1 Pendant supported boom with fixed and live pendant portions
06/23/1987CA1223220A1 Fail-safe spring-loaded hydraulic brake and control system therefor
06/16/1987US4673093 Process for mooring a crane for heavy loads
06/09/1987US4671731 For vehicle installation
06/09/1987US4671365 Drill feeding and hoisting system for an earthdrill
06/03/1987EP0224446A2 A hydraulic load limiting device for hydraulic cranes
06/02/1987US4669703 Wheeled hoist
06/02/1987CA1222480A1 Automobile vehicle for towing and for hoisting loads
05/1987
05/20/1987EP0221902A1 Raise and lower apparatus
05/20/1987CN86200921U Telescopic leg hydraulic system for wheeled crane
05/19/1987US4666364 Low friction cylinder for manipulators, based on the pantograph principle and equipped with a pneumatic balancer control
05/19/1987US4666049 Sideboom excavator with lifting means
05/19/1987CA1221940A1 Crane having stabilizing outriggers
05/13/1987EP0221578A2 Hydraulic circuit for self-undecking crane
05/13/1987EP0221234A1 Apparatus for detecting power lines
05/12/1987US4664434 For grouping and lifting a plurality of projectiles
05/12/1987US4664411 Method of and apparatus for removal and installation of outrigger box on cranes
05/12/1987US4664272 Telescoping crane boom with locking and indicator means
05/12/1987US4664269 Crane for heavy loads, in particular offshore crane, and process for the mooring of a crane
05/05/1987US4662527 Hydraulic circuit for self-undecking crane
05/05/1987US4662526 Hoisting mechanism for the cover of a furnace
04/1987
04/29/1987EP0220125A1 Stability control process for a mobile crane
04/28/1987US4660731 Telescopic crane for heavy loads
04/23/1987DE3537577A1 Apparatus for assembling and dismantling components and equipment in a space
04/21/1987US4659278 Manipulator based on the pantograph principle
04/21/1987US4659276 Load-handling apparatus for a vehicle
04/21/1987US4658972 Method for stretching and folding extension jib in wheeled type crane
04/21/1987US4658970 Deflection reduction module for boom hoist cylinder of mobile crane
04/16/1987DE3633582A1 Articulated crane with self-erecting tower and telescoping jib
04/15/1987CN86102540A Safety controller for vertical transportation machinery with microcomputer
04/14/1987US4657109 Attachment jib for cranes
04/07/1987CA1220171A1 Safety mounting for side stowable boom extension or jib
04/02/1987DE3536831C1 Small lifting appliance
03/1987
03/31/1987US4653974 System for transporting and erecting very large and heavy construction equipment
03/31/1987US4653656 Double center luffing crane
03/31/1987US4653655 Crane boom having variable angle offset capability
03/31/1987US4653271 Boom crane centering
03/26/1987WO1987001684A1 A hydraulic crane
03/24/1987US4652177 Guide tower mounted crane for a jack-up platform
03/24/1987US4651884 Portable and collapsible derrick structure
03/18/1987EP0214163A1 Chassis of a heavy vehicle, particularly a multiaxle moving crane.
03/18/1987CN85106494A Overloading-resistance safety apparatus for hydraulic truck cranes
03/17/1987US4650392 Apparatus for pre-assembling and lifting a structure
03/11/1987CN86200298U 同步起重机 Synchronization crane
03/10/1987US4649375 For use with a crane
03/10/1987US4648729 Bearing weld ring
03/10/1987US4648518 Self-lifting gantry crane and boom therefor
03/05/1987DE3531291A1 Supporting swing-jib crane for water craft or for use on land
03/03/1987USRE32366 Boom limit safety control circuit
02/1987
02/24/1987US4645408 Uncontrolled angular displacement compensating device for industrial robot
02/24/1987CA1218330A1 Articulated boom mechanism for unloading bulk solid material from a ship
02/19/1987DE3529590A1 Cantilever crane with active control device
02/17/1987US4643320 Crane bracket for mounting over the chassis side members of a truck
02/11/1987CN86203711U Tower crane with cable
02/03/1987US4640421 Truck crane conversion to crawler crane
01/1987
01/22/1987DE3526041A1 Swing-up support for machines, in particular for cranes, excavators or the like
01/20/1987US4637482 Hydraulic system in working vehicles
01/20/1987CA1216825A1 Imaginary pivot lift crane
01/15/1987DE3524938A1 Roller head
01/13/1987US4635805 Crane boom locking pin insertion indicator and actuator means
01/13/1987US4635803 Compact pedestal-mount crane
01/02/1987DE3521833A1 Mast crane