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Class 212/226 - Having vertical support remote from pivot (i.e., swinging bridge)


Subclass of Class 212 - Traversing hoists
Definition: Apparatus including a bridge* pivotally mounted
No. of patents: 15
Last issue date: 01/07/2003


NumberTitleIssue Date
6502292Apparatus and method for preparing an excavator stick for transport
An apparatus for preparing an excavator stick for transport includes a base supporting two symmetrically spaced platforms for use by a mechanic. The base comprises a saddle at one end for holding the back portion of the excavator stick which has been deta...
01/07/2003
6237501Three-point suspension system for mounting a tool to a rail system
A suspension system for suspending a tool from a pair of parallel rails. The suspension system consists of a support structure, a tool mounting interface and exactly three trolley assemblies. The support structure has three trolley assembly mounting struc...
05/29/2001
5706736Polar 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
5657888Track-bound mobile crane
A track-bound mobile crane with a vertically-adjustable carrying device arranged on a vehicle frame and to which a guide carrier is attached. The guide carrier consists of two vertically-adjustable columns arranged across from one another at each end of t...
08/19/1997
5607071Crane, especially a track-bound mobile crane
A crane, particularly a track-bound mobile crane, having a luffing jib located on a vehicle frame so as to be slewable upward and downward around a horizontal axis and rotatable around a vertical axis. In order to transport long and heavy loads in narrow ...
03/04/1997
5595313Crane, particularly a track-bound mobile crane
A crane for raising and lowering a load, which crane includes a vehicle frame with end areas and a slewing device arranged on the vehicle frame. The slewing device includes at least two basic slewing columns slewable by 360°, mounted on the vehicle frame...
01/21/1997
5163360Controlled atmosphere storage facility
A live storage facility provides for the storage of large containers of product in a gas-tight enclosure containing an atmosphere precisely controlled to a preselected gas composition. Containers are introduced into the enclosure through a tunnel and remo...
11/17/1992
5076450Method and apparatus for reduced radius turning for large rail mounted cranes
Method and apparatus for reduced radius turning for large cranes mounted on curved sections of rails or track which is effected by lifting the outboard sets of wheels of the crane supporting bogies which are located at the corners of the cranes disposed o...
12/31/1991
5061148Polar crane material handling apparatus
A material handling apparatus includes a central tower having an elevated pivot point, a movable base, a support track that rests at its upper end on the central tower pivot and at its lower end on the movable base, and a trolley with hoist that moves alo...
10/29/1991
4561551Propulsion means for hoisting systems
The invention concerns a novel concept of "rail-less" propulsion of hoisting equipment, namely to provide two parallel rows of discrete, spaced, glidingly supporting points on which the end-beams of a crane or the like are adapted to slide, rather than by...
12/31/1985
4502527Single shop continuous casting facility
A single shop continuous casting facility is disclosed that comprises furnaces 10 and 10a for producing hot metal, continuous casters 12 and 12a for forming continuous lengths of solidified metal, and a rotating bridge crane 14 for transporting ladles 52 ...
03/05/1985
4498596Supplementary equipment for use with a self-propelled crane with a telescopic jib
Supplementary equipment for use with a self-propelled crane with a telescopic jib to increase the possibilities of use of the crane on the ground comprising a support having a structure connected to the head of the jib and pivotally mounted on a platform ...
02/12/1985
4402414Means for distributing load uniformly to wheels
An assembly to distribute an extremely heavy load uniformly to wheels when the load is moved slowly on irregular rails. Balancelike distribution links are pivotally mounted on a slewing frame as a truck at certain intervals, and another balancelike distri...
09/06/1983
4398469Laterally compensating radial trolleys
A rail-supported carriage, adapted to be moved along a pair of rails spaced from one another at a predetermined distance includes at least three wheel assemblies, each including a frame; at least one wheel assembly is adapted to travel on one rail, and th...
08/16/1983
3933250Guy crane jib tip prop
To increase the working strength and stability of a guy jib crane, a prop supports the jib tip. The jib is articulated so that it can be folded for traveling of the crane, and the prop can be stowed alongside a folded section of the jib during travel of t...
01/20/1976
 
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