Matches 1 - 44 out of 44
Match Document Document Title
7392123 System and method to detect a failed shear bolt supporting a concave of an agricultural combine  
A system and method for detecting existence of a failed or broken shear bolt supporting all or a portion of a concave of a threshing system of an agricultural combine and utilizing information...
7305810 Method of operating an agricultural vehicle  
A method is described for operating an agricultural vehicle to reduce the time taken for rotating components of the crop processing machinery driven by the vehicle engine to reach a standstill. The...
7213388 Elongate barrier system for use with lawn mower decks  
One or more elongate barriers are provided that are movably (in one configuration pivotably) mounted proximate the outside of a grass cutting deck. When one of the barriers encounters a foreign...
7207165 Non-frangible object detection method and apparatus for use with harvester  
A method and apparatus for use with a non-frangible object detection mechanism on an agricultural harvester, the detection mechanism including a sensing surface and a sensor for sensing force...
7140169 Feeder controls for a forage harvester  
An agricultural harvesting machine, such as a forage harvester comprises a set of feedrolls ( 20, 21, 26, 27 ) for feeding harvested crop material to a rotating cutterhead ( 36 ). The feedrolls are...
7064540 Conveyor with a metal detecting device  
A conveyor has a metal detecting device for detecting metal parts in a conveying product, a magnet arrangement for producing a measuring magnetic field through which the conveying product is...
6637179 Inertial system for detecting foreign objects between contra-rotating rolls  
A foreign object detector comprises an inertial sensor mounted for displacement with one of the displaceable rolls in the feed mechanism of a forage harvester. When a foreign object is forced...
6601372 Stone detection method and apparatus for harvester  
An agricultural harvester having a header with a reel and an auger, wherein the reel and the auger provide crop material to an elevator and a foreign object detecting mechanism, wherein the foreign...
6430903 Nonmetallic debris detector for harvester equipment  
An apparatus for detecting nonmetallic debris in plant material collected with harvester equipment. As the plant material is collected, a signal generator transmits a signal capable of...
6397570 Stopping device for a crop transport mechanism  
A crop harvesting machine includes a crop transport or feed mechanism including a feed roller to which a toothed wheel is fixed. A detent in the form of a pivotally mounted lever carries a cam or...
6393813 Feed conveyor and crop receiving assembly braking system  
An agricultural harvesting machine has a feed conveyor assembly arranged in the front region and a crop receiving assembly attached thereto. The two drive shafts of these assemblies are fitted with...
6381932 Harvesting machine  
A harvesting machine includes a crop intake arrangement including either a reel or a crop hold down which operate to aid in the advancement of harvested crop into the machine for further...
6324822 Method of detecting foreign objects in a harvesting machine  
A crop stream passes longitudinally at a feed velocity varying relative to a predetermined feed velocity in a harvesting machine between conveyor elements which transversely compress the stream and...
6318056 Device for monitoring the intake subassembly of an agricultural harvesting machine  
An intake subassembly for an agricultural harvesting machine, in particular a self-propelled forage harvester for corn, grass and the like, including a cutting cylinder, feed rollers, and...
6298641 Stone ejection for a feederhouse on an agriculture combine  
The apparatus is an improvement to a feederhouse on an agricultural combine. The apparatus has a first acoustic array having a first sounding board and acoustic sensor positioned beneath the front...
6269618 Acoustic stone detection for a feederhouse on an agricultural combine  
A feederhouse on an agricultural combine. Having a first acoustic array having a first sounding board and acoustic sensor positioned beneath the front drum and feederhouse floor. A second acoustic...
6252397 Metal detecting device for a crop conveyor  
A metal detecting device for a crop conveyor has several closely spaced permanent magnets fixed within a hollow feed-roller in parallel with the shaft thereof. One pole of each magnet is directed...
6105347 Device and method for locating and removing foreign bodies in agricultural machinery  
A conveying device for material to be chopped with conveying rollers comprises a foreign body detection device and a chopper mechanism whose signals are fed to a control device which controls rapid...
5979150 Connection of a shear bar to shear bar support of a forage harvester  
A shear bar support and/or a shear bar of a forage harvester is provided with a magnet acting on the respective opposite part. The magnet may be powered electrically and depending on an operation...
5921071 Feeder arrest for use in a harvesting machine  
An agricultural harvesting machine, such as a forage harvester, comprises a feeder means for feeding crop material to crop processing means and a feeder arrest means for immediately arresting at...
5901534 Metal detector for detecting metal in harvested product flow  
A metal detector for detecting metal in a harvested product flow has a plurality of permanent magnets for producing a magnet field which passes through a harvested product flow region, a plurality...
5819512 Apparatus and method for sensing material build-up  
An apparatus and method is disclosed for sensing material build-up, such as the undesirable build-up of cotton in a mechanized cotton harvester. A tube is mounted for eccentric rotation adjacent an...
5797250 Forage harvester feed roll assembly designed for minimizing false tripping of a metal detector system  
A forage harvester includes a feed roll assembly for feeding a mat of crop across a fixed shear bar located adjacent a rotating cutterhead for cooperating with the cutterhead knives to cut the mat...
5600942 Adaptive thresholding for metal detection  
A two-channel metal detector system disposed adjacent the crop feed path of a harvester to detect ferrous metal objects in the crop material is provided with both positive and negative adaptive...
5600941 Compensation for start-up transients  
In a two-channel magnetic metal detector for a forage harvester, positive and negative adaptive detection thresholds are varied according to long term changes in the noise component induced in...
5531062 Tensioning mechanism for upper mower conditioner roll  
A mower conditioner includes parallel upper and lower conditioning rolls with the upper roll having opposite ends respectively rotatably mounted in a pair of vertically swingable arms and thereby...
5521514 Broken tine detector for agricultural machines  
A broken tine detector for agricultural machines is provided for machines such as balers and forage harvesters. The tines form a first plate of a capacitor which rotates about the axis of a reel....
5507137 Grass cutting device  
A grass cutting device suitable for automatic and unattended operation, comprises at least one drive wheel; a power unit operatively coupled to said drive wheel to propel said device; a...
5444965 Continuous and autonomous mowing system  
The invention relates to an automatic, self-contained machine for continuously mowing grass. The machine is powered by means of photovoltaic cells (10) and can be wheeled (15) or tracked. A device...
5444966 Metal detection apparatus for agricultural harvester  
An agricultural harvesting machine having feed rolls for feeding crop material along a feed path to a cutterhead which chops the crop material is provided with a metal detector for detecting...
5343676 Device for recognizing ferromagnetic foreign bodies, in particular in respect of harvesting machines  
In a device for recognizing ferromagnetic foreign bodies, for protecting the working members of a harvesting machine, having a magnetic field generating device (9), the lines of flux of which run...
5070682 Acoustic detector with start-up control  
In a forage harvester having an acoustic detector for sensing air-borne sounds produced by the impact of hard foreign objects on the crop feed mechanism of the harvester, a start-up control is...
4854113 Digital noise cancellation in a metal detector  
A method and apparatus for cancelling cyclically recurring noise induced in a magnetic metal detector by movement of ferrous machine parts in the field of the detector provides for periodically...
4805385 Variable sensitivity metal detection system  
In a forage harvester having a metal detector positioned within a first feed roll and a second feed roll whose displacement from the first feed roll varies with the bulk of crop material passing...
4788813 Metal detection in the vicinity of ferrous boundaries  
In a forage harvester having a metal detector with permanent magnets located within a crop feed roll, additional permanent magnets are positioned beyond the ends of the feed roll and at a distance...
4776154 Stone detector for field chopper  
An agricultural machine has a machine frame adapted to move along the ground in a normal travel direction, a crop cutter on the front of the frame, and a crop comminuter carried on the frame behind...
4758788 Metal detector for intake of field chopper  
An apparatus for detecting magnetically sensible objects in an object stream longitudinally passing a predetermined location, for instance at the intake end of the conveyor of a field chopper, has...
4720963 Method of detecting stones in the intake of a field chopper  
A hard foreign body in a stream of cut crop being moved by a conveyor in an agricultural machine to a crop comminuter of the machine is detected by first compressing the stream of cut crop...
4639666 Metal detector sensitivity adjustment and test assembly  
The metal detector circuitry for a forage harvester is provided with a socket for receiving a pluggable unit, the arrangement being such that a resistor in the pluggable unit is connected into the...
4531348 Tensioning device for power transfer assembly  
A belt-type power transfer assembly for driving the separating mechanism of a rotary combine harvester is disclosed wherein the assembly includes spaced apart driving and driven pulleys, an endless...
4433528 Metal detector apparatus  
Disclosed is metal detector apparatus for protecting the crop processing unit of a forage harvester. A magnetic field is provided in the area through which crop material is being fed. The field is...
4344074 Magnetic field producing apparatus  
Metal detectors having parallel magnetic fields produce signals which vary depending upon the shape and orientation of a metal object passing through the field. An improved metal detector sensor...
3990218 Harvester with automatic rock detector and remover  
A harvester has an apron on whose leading edge is provided a sickle bar. Immediately behind and parallel to this sickle bar there is provided a flexible tube having at its front edge a lip...
3889249 Static magnetic field metal detector  
A static magnetic field detector senses the passage of ferrous or magnetic objects, employing a balanced pick up coil configuration providing substantial self-cancellation of spurious background...
Matches 1 - 44 out of 44