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| Number | Title | Issue Date |
| 6913434 | Apparatus for handling bundles of boards and a support bed for use in such an apparatus The present invention relates to an apparatus for handling strapped units of boards, said apparatus comprising a stacker carrier (5) capable of moving the strapped units (2) placed on a support bed (4) in a storage area into storage stacks and o... | 07/05/2005 |
| 6763767 | Railcar mover having negative cambered rail wheels A dual use roadway or railroad travel vehicle such as a railcar mover (10) which includes an inner set (24) of wheel assemblies (28, 30) designed for alternate roadway or rail travel, together with fore and aft rail wheel assemblies (32, 34 | 07/20/2004 |
| 6733635 | Method of repairing a coke oven buckstay and a moving device for use in such method A coke oven buckstay moving device and method which can be used to quickly, reliably, and smoothly repair buckstays compared to conventional methods and devices. The coke oven buckstay moving means includes a main car, a subcar, a frame, and securing means. The main... | 05/11/2004 |
| 6644213 | Mobile carriage A mobile carriage system includes a pair of spaced, parallel end rails fixed to a support surface, often with one or more intermediate rails fixed to the support surface and located parallel to and between the pair of end rails. At least one carriage is s... | 11/11/2003 |
| 6371031 | Mobile carriage A mobile carriage system includes a pair of spaced, parallel end rails fixed to a support surface, often with one or more intermediate rails fixed to the support surface and located parallel to and between the pair of end rails. At least one carriage is s... | 04/16/2002 |
| 6161485 | Mobile carriage A mobile carriage system includes a pair of end rails (12a, 12c) fixed to a support surface and one or more intermediate rails (12b) located parallel to and between the pair of end rails (12a, 12c). At least one carriage (10) is supported for movement on ... | 12/19/2000 |
| 6089164 | Gantry system A gantry system is provided, the gantry system having a gantry cross member supported by at least two essentially parallel support beams supporting the cross member, the axis of movement of the cross member being essentially perpendicular to the at least ... | 07/18/2000 |
| 6082562 | Bridge crane A bridge crane includes at least one main girder (1), a trolley moving on the main girder or at least one hoist gear fixed to the main girder, end carriages (4) arranged at the ends of the main girder to support the main girder, wheels arranged to the end... | 07/04/2000 |
| 5706736 | Polar crane and related method Disclosed is a polar crane supported by a rail and having a bridge and a bridge-supporting end truck at each end of the bridge. Each end truck has, for either direction of revolving bridge motion, a leading wheel contacting the rail. In the improvement, t... | 01/13/1998 |
| 5507234 | Apparatus for correcting skew of a traveling crane An overhead traveling crane adapted to be supported on a pair of spaced apart, generally parallel first and second rails, the crane comprising a frame having opposite first and second ends, a first drive wheel which is rotatably mounted on the first end o... | 04/16/1996 |
| 5492067 | System and method for maintaining plural driven components at reference positions The disclosure involves a machine, e.g., a portal crane, having two components such as bridge support legs or rail-riding trucks. Each component is driven by a separate motor and each is moving at a speed, perhaps a different speed. A method for maintaini... | 02/20/1996 |
| 5433150 | Traveling crane A gantry crane travelable along a pair of rails and having an overhead girder transverse to the direction of travel, first and second legs connected to the girder, a load carrying trolley movable along the girder to a first position adjacent the first leg... | 07/18/1995 |
| 5248341 | Robotic carrier mechanism for aircraft maintenance Disclosed is a robotic paint system for aircraft consisting of a robotic wash/rinse gantry, a robotic cart carrying a robotic painting system, and a control system. The paint system includes a robotically controlled wash/rinse gantry movable along the ent... | 09/28/1993 |
| 5216957 | Apparatus and method for correcting skew of a traveling crane by maximizing friction between leading skewed wheel and the rail A skew correcting apparatus for a crane having drive wheels traveling on spaced apart rails which are independently driven. Each one of the drive wheels has an axially extending single diameter cylindrical surface and first and second axially spaced apart... | 06/08/1993 |
| 5156282 | Apparatus for correcting skew of a traveling crane A skew correcting apparatus for a crane supported on spaced apart generally parallel rails by a plurality of wheels including a drive wheel traveling on each of the parallel rails. The drive wheels traveling on the spaced apart rails are driven such that ... | 10/20/1992 |
| 5119737 | Apparatus and method for driving a large traveling crane A drive for a traveling bridge crane including a bridge having a width spanning two parallel spaced apart rails and opposite ends located at one of the rails. A first pair of wheels comprising first and second wheels are respectively mounted at the opposi... | 06/09/1992 |
| 5085824 | Nuclear refueling platform drive system A drive system for propelling first and second drive trucks of a bridge includes a first motor and transmission for driving the first truck, an independent second motor and transmission for driving the second truck and a controller for coordinating the fi... | 02/04/1992 |
| 5080021 | Apparatus and method for correcting skew of a traveling crane A skew correction apparatus for a crane traveling on generally parallel spaced apart rails and having a drive wheel on each rail rotatably driven at the same speed. The drive wheels each have center cylindrical portions riding on a rail head and inside an... | 01/14/1992 |
| 5056671 | Apparatus and method for straightening crane rails A bridge crane for straightening a rail of a pair of rails along which the crane travels. First and second wheels of the crane are positioned at spaced apart locations along the length of the rail. A radially extending inside flange on the first wheel is ... | 10/15/1991 |
| 4890750 | Portal crane A multilegged portal crane is disclosed in which a plurality of legs including first, second and third spaced apart legs are affixed to a frame with each leg extending between the frame and a different one of a plurality of rails. Each leg has a pair of w... | 01/02/1990 |
| 4706570 | Crane with anti-skewing device A crane with an anti-skewing device comprising a platform suspended under a bridge deck by two end truck assemblies supported by runways on a bridge. Each end truck assembly includes two sets of trolleys and an upper load bar interconnects the two sets of... | 11/17/1987 |
| 4576100 | Crane for nuclear waste handling facilities A crane for use in a nuclear waste handling facility is disclosed. The crane includes a bridge of sufficient transverse dimension to span the width of the area being serviced, a bridge drive for moving the bridge along spaced rails extending longitudinall... | 03/18/1986 |
| 4505207 | Crane anti-skewing device An anti-skewing device for a bridge crane comprises a proximity switch near a first side of a first track and near a first end of the crane for detecting the proximity of the switch to the first side of the first track and thereby any skewing of the crane... | 03/19/1985 |
| 4370932 | Apparatus for the interconnection of two mobile carriers guided by parallel rails An apparatus is provided for the interconnection of two mobile carriages which are connected by a rigid beam and guided along parallel guide rails. The apparatus permits the simultaneous and identical movement, with respect to both direction and distance,... | 02/01/1983 |
| 4358020 | Apparatus for aligning trolleys In a crane having two trolleys free to move independently and parallel to each other and supporting a common load, such as a spreader, an apparatus is provided to alert the operator of the crane when the common load is excessively skewed. In one embodimen... | 11/09/1982 |
| 4238036 | Hatch cover crane A hatch cover crane having a hydraulically actuated jack assembly for realigning a hatch cover carried by the hatch cover crane with a ship's cargo hold opening. The jack is extended downward onto one of a pair of support rails, over which the hatch cover... | 12/09/1980 |
