| Patent Number |
Title Of Patent |
Date Issued |
| 6401856 |
Method and device for the power shiftable change-over of a hydrostatic vehicle drive of a mobile |
June 11, 2002 |
| A method for the power-shiftable change-over of a hydrostatic vehicle drive of a mobile construction machine, comprising at least one hydrostatic capacity pump, a hydrostatic drive motor and a two-stage power-shift transmission, which drives the axle(s) of the construction machine via it |
| 6131687 |
Process for actuating the steering cylinders of mobile plant and steering system therefor |
October 17, 2000 |
| A steering system for mobile machines includes at least two hydraulic pumps; at least one steering gear connected to the at least two hydraulic pumps by hydraulic lines, the hydraulic lines being brought together to form a single feed line that is connected to the steering gear; at least |
| 5784812 |
Method of controlling the positioning of an outfit tilting cylinder mounted on the descending li |
July 28, 1998 |
| A method for the positionally correct placement of an operating equipment including a scoop tiltably disposed on a descending lift frame of a mobile machine including a wheeled loader. An automatic positioning device is actuated thereby activating a first magnetic valve utilizing a logic |
| 5709085 |
Method of cooling the hydraulic fluid in the working circuit of a construction machine, in parti |
January 20, 1998 |
| A method for cooling hydraulic oil present in an operating circuit of a construction machine, and an installation for cooling hydraulic oil according to the method. The method includes the steps of guiding the hydraulic oil at least partially over an oil cooler and thereafter causing |
| 5533284 |
Earth-moving machine with revolving tower and adjustable counterweight |
July 9, 1996 |
| An earth-moving machine, includes a bogie. A superstructure is supported on the bogie. The superstructure is divided into a stationary part, and a pivotable part swivelable about a horizontal axis. A working attachment is connected one of directly and indirectly to the pivotable part. A |
| 5522259 |
Process and arrangement for measuring multiple disk brake wear |
June 4, 1996 |
| A process and apparatus for measuring the wear of a multiple disk brake while a wheel hub is rotationless. A measuring instrument is provided having a screw-like component and a spindle. A plug element located in a predetermined bore of the wheel hub is replaced with the screw-like c |
| 5513491 |
Hydraulic vibration damping system for machines provided with tools |
May 7, 1996 |
| A hydraulic system for machines provided with tools, particularly for wheel loaders, fork lifts or the like, including comprising at least one hydraulic accumulator, distributing valves, manometric switches and at least one nozzle for variably adapting the load pressure of the hydraulic |
| 5465823 |
Handrail inlet element of an escalator, a moving walkway or the like |
November 14, 1995 |
| A handrail inlet element for an escalator having a handrail. The handrail inlet element is positioned in a lower banister area of the escalator, and includes two separate elements arranged around the handrail. One of the separate elements includes a recess, and the other of the separate |
| 5443145 |
Safety device at the run-in point of a circulating handrail |
August 22, 1995 |
| A safety device is disposed at a run-in region of a circulating handrail of a moving passage into a stationary wall. The safety device is made of a cover plate; an elastically deformable handrail run-in part configured as a bellows and connected to the cover plate; a rod-shaped element h |
| 5409343 |
Ship loader or unloader |
April 25, 1995 |
| A ship loader or unloader includes a vertically extending first region and a horizontally extending second region; a first hydraulic cylinder connected to a lower end of the first region and to the second region for translationally displacing the second region relative to the first regio |
| 5379877 |
Handrail drive for escalators, moving sidewalks or the like |
January 10, 1995 |
| A handrail drive located at a reversal region of a handrail. The handwheel drive has a motor-gear assembly including an electric motor and a multistage planet gear assembly. The handwheel drive further includes a handrail wheel having a drive region connected with the motor-gear asse |
| 5333399 |
Fastening of the buckets and possibly also the skim cutters on cutting wheels |
August 2, 1994 |
| A digging wheel assembly includes a supporting wheel having a peripheral zone and a plurality of receiving elements affixed to the supporting wheel in the peripheral zone in a spaced, circumferential distribution. Each receiving element has a receiving pocket and a receiving slot. Diggin |
| 5277370 |
Vertical impact mill with coupled material classification |
January 11, 1994 |
| A device for crushing and screening bulk materials consists of a vertical impact mill with associated feeder, an air-charged separator, a discharge device for the final product and a conveyor for returning the insufficiently crushed bulk materials fraction to the crushing region. The |
| 5264654 |
Method and apparatus for processing contaminated soils |
November 23, 1993 |
| A method of and apparatus for decontaminating contaminated soils and similar materials, the method includes (a) drying and comminuting contaminated soil and similar material in a mill through which a flow of hot gases is passed to provide a mixture of solids and gases; (b) introducin |
| 5244383 |
Method and apparatus for reducing the circulation of salts particularly in cement kilns |
September 14, 1993 |
| A method and arrangement for reducing the circulation of salts in a cement kiln in which a raw meal heat exchanger feeds material to the kiln. A partial gas stream charged with harmful substances is removed from the kiln through a bypass conduit. The partial gas stream is subjected to a |
| 5232327 |
Ship loader or unloader |
August 3, 1993 |
| An arrangement for loading and unloading a ship comprises a boom having an upper portion in the form of a continuous box girder attached to a portal. An upper trackway is supported on a forward region of the boom on top of the box girder. A platform is suspended from a rear region of the |
| 5215262 |
Method and apparatus for comminuting bulk materials |
June 1, 1993 |
| A process and device for crushing bulk materials. The material to be crushed is fed from above to a first accelerating device which accelerates it into a first crusher, the fine particles in the crushed material produced by the first crusher being carried upwards by an air or gas str |
| 4854805 |
Apparatus for transporting loads |
August 8, 1989 |
| Device for transporting load units consisting of a drive system carrier to which two track-laying drive systems are linked. A lifting platform is supported opposite the drive system carrier over several longitudinally adjustable lifting elements, so that said elements are at least partia |
| 4840533 |
Apparatus for transporting loads |
June 20, 1989 |
| An apparatus for transporting load units comprising: a drive system carrier for lifting the load unit; a single essentially vertically extending lifting element operatively associated with the drive system carrier; a lifting platform supported by the lifting element; and at least two |
