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)
09/1992
09/09/1992CN2115326U Light electric lift for building
09/09/1992CN2115325U Electrical household hoist
09/09/1992CN2115324U Fixed pillar rotary arm crane frame
09/08/1992US5145075 Boom point construction
09/03/1992WO1992006349A3 Process and device for acquiring and transmitting information with electrical conductors movable relatively to one another or the like
09/02/1992CN2114647U Support leg pressure sensor of hydraulic hoist
09/02/1992CN2114646U Household lifting machine
09/01/1992US5143233 Jib stretching and folding device for use in a crane
09/01/1992US5143232 Crane load instrument and method therefor
08/1992
08/25/1992US5141195 Counterweight removal device
08/25/1992US5140929 Handling boom comprising a main boom and an additional boom
08/23/1992CA2036895A1 Mobile crane
08/20/1992DE4203109A1 Bearing for pillar of revolving crane - has circular cross=section of pillar built-up from segments to avoid weakening pillar
08/20/1992DE4104471A1 Hydraulic stabilising jack for mobile jib crane - has supporting foot connected to ram by cam controlled four bar chain linkage
08/19/1992EP0499208A2 Telescopic jib for mobile cranes or the like
08/18/1992US5139157 Concrete placing boom assembly for ready-mix concrete
08/18/1992CA1306445C Carrier track system for extensible and retractable boom machines
08/12/1992CN2112619U Gravity centre automatic balancing device for cantilever crane
08/05/1992CN2111947U Tower crane
08/04/1992US5135205 Released door supporting and stabilizing tool
08/04/1992US5135119 Rescue frame
08/04/1992US5135118 Jib hold rod securing device for cranes
07/1992
07/23/1992DE4101582A1 Force introduction point on box supports - has hollow cylinder forming torsion-rigid pat connecting box support to bearing point
07/22/1992EP0495738A1 Reinforced metal telescopic beam element
07/21/1992US5131802 Vehicle equipped with balancing device
07/07/1992US5127695 Apparatus for manipulating a pallet
07/07/1992CA1304721C Power driven trailer skidder vehicle
07/01/1992EP0493284A1 Swivel actuator for all rectilinear or rotatory movements
06/1992
06/21/1992CA2058130A1 Hinge actuator for implementation of all linear or rotative motions
06/17/1992EP0490798A2 Crane, especially for handling
06/15/1992CA2057562A1 Crane for handling purposes mainly
06/10/1992CN2106823U Crane for mining electric locomotives
06/10/1992CN2106820U Tower-landing elevator for medium-small tower crane
06/09/1992US5120186 Crane attachment for loading machines
06/09/1992US5119961 Electric pickup winch
06/09/1992US5119949 Crane vehicle with operation speed control
06/09/1992CA1302843C Rotator for crane-mounted working implements especially tree-processing units
06/04/1992DE4137288A1 Universal building manipulator - comprises support column standing on chassis with drive unit and counterweight
06/03/1992EP0488990A1 Telescopic jib with single screw actuator
06/03/1992EP0487725A1 Hook lift display apparatus of crane and method of determination
05/1992
05/26/1992US5115925 Jib stretching and folding device for crane
05/26/1992US5115923 Method for stretching and folding a jib for crane
05/26/1992US5115606 Extension cable for telescopic tower
05/21/1992DE4036701A1 Light ground-anchored crane with swivelling jib - has column base welded to end of swivelling radial arm and supported by wheels on circular track
05/20/1992CN2104855U Back-laying type movable poles loader for trusk
05/19/1992CA1301117C Transportable, articulated-arm crane comprising three hydraulically actuated members
05/13/1992EP0484930A1 Puller and extractor for connecting pins
05/12/1992US5112186 Method of leveling a laterial file cabinet
05/12/1992US5111945 Boom extension alignment device
05/12/1992US5111733 Multiple stage hydraulic jack for use with telescopic jib
05/06/1992EP0483393A1 Apparatus for suppressing vibratory or quaky movements of mobile type crane
05/06/1992CN2103545U Indicator for elevating capacity of automobile crane
04/1992
04/29/1992EP0482298A1 Procedure and device for the execution of a levelling operation for a body, in particular a vehicle element
04/29/1992EP0482248A1 Apparatus for suppressing quaky movements of mobile type crane
04/29/1992EP0482238A1 Mechanism for suppressing oscillations of mobile cranes
04/29/1992EP0482237A1 Mechanism for suppressing vibrations of mobile cranes
04/29/1992EP0481982A1 Travelling crane for heavy loads.
04/22/1992EP0481501A1 Method and apparatus for controlling slewing stop of upper slewing body in construction machine
04/22/1992EP0481120A1 Apparatus for suppressing quaky movements of mobile cranes
04/22/1992CN2102281U Civil collapsible crane
04/21/1992US5106255 Posture adjusting mechanism of cargo handling device for use in cargo trucks
04/16/1992WO1992006349A2 Process and device for acquiring and transmitting information with electrical conductors movable relatively to one another or the like
04/16/1992CA2053491A1 Boom point construction
04/15/1992EP0480893A1 Means for extending the arm of a swing hoist for lifting loads
04/09/1992DE4031840A1 Signal transmission appts. for telescopic extension of crane - has conductive rails forming bus=bar between sections allowing transmission of control data
04/09/1992DE4031839A1 Length measurement of relatively movable electrical conductors - uses reflection or step voltages and measurement of reflection times
04/08/1992CN2101035U Hand driving lifting machine
04/08/1992CN1060076A Power saving large torque low speed hoist for building and ship
04/06/1992CA2027087A1 Posture adjusting mechanism of cargo handling device for use in cargo trucks
03/1992
03/31/1992US5100283 Hitch hoist
03/31/1992US5100278 Railroad locomotive crane boom apparatus
03/26/1992DE4030297A1 Damping of beam vibration in overhead crane - involves vibration absorber mounted on beam
03/25/1992EP0477101A1 Mobile implements for transportation, as e.g. implements for handling containers
03/25/1992EP0476520A2 A jib stretching and folding device for use in a crane
03/25/1992EP0476225A2 Telescopic device with reduced buckling length of the telescopic cylinder
03/19/1992WO1992004271A1 Crane
03/19/1992WO1992004270A1 Outer-boom crane
03/18/1992CN2099116U Mill roller assembling device
03/11/1992EP0473784A1 Method of and apparatus for controlling stopping of turning of upper swing unit for construction machines, and angle of inclination computing apparatus
03/11/1992EP0473588A1 A device at crane stand mounted at the rearmost end of a light cross-country vehicle.
03/11/1992CN2098496U Coal elevator
03/10/1992US5094353 Clamping device for crane or the like
03/04/1992EP0473518A1 Self-erecting crane with laterally foldable jib
03/04/1992CN2097820U Headframe-improved tower crane
02/1992
02/26/1992CN2097200U Bow-shaped strain type moment limiter
02/26/1992CN2097199U Crane mounted on vehicle
02/25/1992US5090580 Trunk-mounted portable crane
02/19/1992EP0471305A1 Platform mountable on a mobile crane
02/19/1992EP0471026A1 Arrangement for a load hoist.
02/19/1992CN2096553U Hoist track pulley
02/19/1992CN2096552U Hydraulic support type overturn prevention device for automatic hoist
02/19/1992CN2096551U Vertical elevator for low-level building
02/18/1992US5088691 Hydraulic apparatus including a hydraulic fluid flow control cartridge
02/12/1992CN2095857U Composite rotary door type lifting frame
02/06/1992WO1992001624A1 Shaft travel devices such as vertical lift arm devices
02/05/1992EP0469182A2 Device for lifting, lowering and the water carriage of heavy loads
02/05/1992CN1015355B Vehicle with balancer
01/1992
01/22/1992EP0467722A1 Lifting boom comprising a principal boom and a complementary boom
01/22/1992CN2093836U Domestic crane
01/21/1992US5082128 Crane having a multi-section boom