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Class 56/10.3 - Release or slip of drive in response to overload


Subclass of Class 56 - Harvesters
Definition: Machine wherein the action results from a load requirement
No. of patents: 49
Last issue date: 12/16/2008


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NumberTitleIssue Date
7464526Drive assembly for locking one or several operating units of an agricultural implement or of a self-propelled implement
A drive assembly driven by a drive unit locks one or several operating units (6) of an agricultural implement (1) or of a self-propelled implement. The operating unit (6) can be locked when switching off the drive unit or upon reaction of an ove...
12/16/2008
7370769Hoist for retrieving and lifting loads
A hoist for retrieving, lifting and positioning a light load of up to about 1000 lbs, is described. The hoist comprises a boom support column having an attaching lower end and a boom support upper end. The boom support upper end has a boom assembly connector and a t...
05/13/2008
7350344Lawnmower rotary cutting apparatus and grass guide
A lawnmower consisting essentially of a rotary cutting apparatus comprising a plurality of small blades and a grass guide for bending and constraining the grass for ease of cutting. The grass guide is mounted substantially parallel to the drive shafts which extend b...
04/01/2008
7323959Trackball device
A trackball device of the present invention includes an operating ball, multiple rollers which rotate by contacting the ball while it is rotated, multipole permanent magnets which co-rotate with these rollers, and a reed switch disposed in a position where it turns ...
01/29/2008
7159378Drive train for a header of a harvesting machine
A drive train for a header of a harvesting machine comprising a variable length drive shaft. The variable length drive shaft has a first end having a first hinged connection which is connected via a drive element with a first shaft. The variable length drive shaft h...
01/09/2007
7131254Mobile apparatus for retrieving and processing bulk harvested nuts and fruits
An apparatus for processing nuts and fruits, and more specifically, to a mobile apparatus that picks-up fruits and nuts, and similar products from the ground and conditions them, in bulk. The mobile apparatus conditions the fruits and nuts by removing debris with a ...
11/07/2006
7051498Traction enhancement system for turf mowers
A traction enhancement system and method of using the same for use with a turf mower having a vehicle frame, a first drive wheel operably mounted to the vehicle frame, and a cutting unit positionable in a first position, where the cutting unit is support by ground e...
05/30/2006
7028454Drum clutch slippage system
An improved clutch slippage detection system, comprising a magnetic actuator and at least one reed switch sensor located at a slip clutch, which reed switch changes its state, at the instant the clutch begins to overrun. ...
04/18/2006
6929574Belt drive two speed shift mechanism
A two speed shift mechanism for a belt drive that includes a rotatable shaft with a first pulley, and a tube concentric with the shaft and rotatable therearound. The tube includes a shift hub supporting a second pushy in axially spaced relation to the first pulley f...
08/16/2005
6902485Dual slip clutch arrangement
A self-propelled forage harvester has a relatively wide mowing implement attached to its forward end and including right and left hand rotary mowing and drawing in drums together with right and left hand rotary conveying drums. A drive transmission for driving these...
06/07/2005
6843044Detection arrangement for the detection of a crop jam in a harvesting machine
A self-propelled forage harvester includes an overload clutch inserted into the driveline of a crop conveying element of crop pick-up arrangement of the harvesting machine. The overload clutch generates acoustic and/or mechanical vibrations when a defined torque is ...
01/18/2005
6840026Multipurpose machine for close-row production for tree or shrub plantations such as vineyards or orchards
A multipurpose machine for close-row production of tree or shrub plantations, such as vineyards or orchards includes a working head including a rotor powered by a motor and designed for receiving at least two interchangeable tools. The invention also includes a mesh...
01/11/2005
6675563Disc cutterbar shear protection
A disc cutterbar having a two-piece mounting hub, one piece rotatably driven and the other supporting a knife for severing standing crop material, with spring-mounted ball and detent devices holding the two pieces members together and forming a shear devi...
01/13/2004
6651412Forward clutch drive for windrow header with positive reverse drive
A drive system for the auger of a crop-harvesting header that includes a slip clutch to slow or stop auger rotation upon encountering a slug or foreign object of sufficient size, and pawls on the drive sprocket that engage a ratchet wheel on the auger dri...
11/25/2003
6604347Energy absorber for hubs of agricultural disc drive
A disc cutterbar with at least one cutterhead having a two-piece mounting hub, one piece rotatably driven and the other supporting a knife for severing standing crop material, with an epoxy layer bonding the two pieces together and forming a shear device ...
08/12/2003
6502377Brake for a disc cutterbar
A disc cutterbar with at least one cutterhead having a two-piece mounting hub, one piece rotatably driven and the other supporting a knife for severing standing crop material, with an epoxy layer bonding the two pieces together and forming a shear device ...
01/07/2003
6487835Overload protection for a disc cutterbar
A disc cutterbar having a two-piece mounting hub, one piece rotatably driven and the other supporting a knife for severing standing crop material, with an epoxy layer bonding the two pieces together and forming a shear device therebetween. A brake is asso...
12/03/2002
6430904Platform auger torque sensing brake activation
A harvesting assembly is provided with a transverse feed auger for directing harvested crop material into a feederhouse. The feed auger is also provided with retractable fingers. The retractable fingers are freely rotatably mounted on a finger timing shaf...
08/13/2002
6393813Feed 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 drive pulleys over which a common belt is entrained to dr...
05/28/2002
6318056Device 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 compression rollers, has a cut-out clutch for bringing the feed rol...
11/20/2001
6012271Round baler with a load sensor for actuating the wrapping apparatus and for turning off at least one delivery element
A round baler for fibrous agricultural material including compression and delivery elements, a main drive for driving the same, a wrapping apparatus, and at least one load sensor provided in the drive line for the compression elements for generating a con...
01/11/2000
5950408Bag-full indicator mechanism
A bag-full indicator mechanism is provided for use on a mower that has a mower deck with cutting blades, a bag for collecting cut vegetation, and a chute communicating the mower deck with the bag. The bag-full indicator mechanism includes a vacuum actuato...
09/14/1999
5855108Alarm monitor for belt slip in a combine
An agricultural vehicle, tractor, or combine includes a slip monitoring system for determining whether a slip condition exists. The agricultural vehicle includes a combustion engine which indirectly drives a piece of equipment such as a rotor. The rotor i...
01/05/1999
5749208Mowing apparatus
The mowing implement of a mowing apparatus, rotating about a vertical axis, is driven over a transmission comprising a freewheel mechanism and driving pins. A drive shaft is connected with the freewheel mechanism so that there cannot be any mutual rotatio...
05/12/1998
5715662Drive shear device for rotary cutter unit
Each knife-carrying disk of a rotary cutterbar has a hub connected to a drive shaft through means of a shear device. In a first embodiment of the invention, the shear device is in the form of either a collar or a clamping member having internal splines re...
02/10/1998
5605033Lawnmowing apparatus with grass collector fullness detector
A fullness detector for the grass collector of a lawnmower includes a pressure actuated switch which is responsive to a pressure condition in an air flow passage for conveying grass cuttings between the lawnmower and the collector. Preferably the conditio...
02/25/1997
5600941Compensation 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 detection coils by moving ferrous parts of the crop feed mecha...
02/11/1997
5600942Adaptive 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 detection thresholds for each channel, the thresholds being i...
02/11/1997
5581985Safety clutches for self power operated lawn mowers
A safety clutch for a power operated lawn mower requiring a minimum of parts and readily adaptable to exisitng mowers having a clutch with detents that are biased against a driven member bolted to a mower blade for normal operation, wherein the clutch bec...
12/10/1996
5189867Aquatic vegetation cutter
A light weight, portable aquatic vegetation cutter having a handle disposed at one end of a mounting rod, a motor at the other end of the mounting rod, the motor being disposed essentially centrally between two reciprocating type cutting blade assemblies ...
03/02/1993
5056302Mower-conditioner drive system
A mower-conditioner drive system includes a main support casting having an outwardly projecting stub shaft and an inwardly projecting pivot pin mounted to an upright wall section at one end of a header frame. A slip clutch is received on the stub shaft an...
10/15/1991
5005342Crop processor
An auger cutter, windrower and conditioner for standing crops such as hay, a cutter and a feed mechanism for feeding forage harvesters crops such as corn and sorghum, including a cutter auger with cutting teeth attached to the auger flight and a conveyor ...
04/09/1991
4885902Aquatic vegetation harvester
A submarine vegetation cutter is disclosed, driven by a direct current electrical motor adapted to drive two reciprocating type cutting blade assemblies which are disposed in a substantially opposed relationship relative to each other, and means for trans...
12/12/1989
4866918Torque limiting drive arrangement for a cotton harvester with multiple row units
The harvesting structure on a plurality of individual row units of a cotton picker are driven by a common drive train while individual torque-limiting is provided to each row unit by a slip clutch located within the unit housing. A gearbox located at the ...
09/19/1989
4802326Overload coupling for protecting drive trains especially on agricultural machines
An overload coupling for the protection of drive trains on machines, particularly agricultural machines powered by a tractor, protects against overloading in at least one rotational direction. A coupling sleeve is mounted for rotation around a coupling hu...
02/07/1989
4400930Harvester threshing rotor drive having variable speed belt drive and clutching means
A harvester in the form of a self-propelled combine (11) has a crop header (24) and conveying means (31, 32) feeding crop material to a threshing rotor (34). The speed of rotation of the rotor (34) is adjustable by changing the speed of a variable speed b...
08/30/1983
4323136Movement stopping safety device for agricultural machine
An agricultural machine has at least one movable tool, such as a cultivating rotor, mower or raking member, spreader disc, or other driven member such as a tractor wheel or freely rotatable roller, which parts are interrupted in movement by a protective m...
04/06/1982
4321991Torque responsive disconnect for a V-belt driven element
In the variable speed V-belt drive of a combine harvester threshing cylinder, the driven sheave is torque-responsive, responding automatically to adjust drive belt tension according to the torque being transmitted. A linear hydraulic actuator, integral wi...
03/30/1982
4306403Overload sensor for a cotton harvester unit drive
A device for sensing the loading on an input drive of a cotton harvesting unit and providing a warning when an overload of the drive occurs. Normal tension in the belt drive to the unit input shaft is balanced by an adjustable spring load. Overload of the...
12/22/1981
4296591Damped apparatus for quick-stopping rotating members
Quick or instantaneous stopping of rapidly rotating members places severe stress loads on components. These loads are substantially reduced by providing a quick-stopping apparatus including a damped member having an attached element which is movable into ...
10/27/1981
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