...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 4319718 | Forage harvester cutterhead and method of sharpening A forage harvester having a cutterhead with underbeveled knives thereon is disclosed. In a preferred embodiment, each knife has a lateral cross sectional configuration closely resembling an isosceles trapezoid with the initial cutting edges formed by the ... | 03/16/1982 |
| 4261677 | Vertically adjustable cross conveyor A vertically adjustable conveyor to load hay bales onto a bale wagon. The chain conveyor with cleats to catch the bales is held to the bale wagon frame by bolts which pierce slots on the conveyor support. Adjustment of the distance of the extension of the... | 04/14/1981 |
| 4248248 | Interrupted infeed flight means for combine rotor A rotor for an axial flow combine which is adapted to coact with conventional grate means in said combine, said rotor having on the forward end thereof interrupted infeed flight means which are spiral segments spaced both axially and circumferentially fro... | 02/03/1981 |
| 4245716 | Vehicle access ladder The instant disclosure is directed to an access ladder for the elevated operator's platform of a vehicle, the ladder being pivotable in two planes between operative and inoperative positions about two separate axes. Counterbalance means interconnecting th... | 01/20/1981 |
| 4236372 | Agricultural harvesting machines with crop pick-up mechanisms An agricultural harvesting machine comprises a frame, a crop pick-up mechanism mounted on the frame for flotational movement with respect thereto, and counterbalancing means operable to counterbalance at least a portion of the weight of the pick-up mechan... | 12/02/1980 |
| 4234219 | Knotter with improved billhook and actuation mechanism A knotter mechanism, primarily for use in crop baling machines, with an improved billhook and actuation means therefor is disclosed. The billhook is rotatably mounted on the knotter frame and includes a fixed jaw having an elongate shaft and a movable jaw... | 11/18/1980 |
| 4223516 | Knotting mechanism An improved knotter primarily for use with a crop baling machine is disclosed. As is known in the art, a quantity of compacted crop material is encircled with a length of twine, or similar binding material, and a knot is tied in primary and secondary port... | 09/23/1980 |
| 4222220 | Knotter mechanism An improved knot tying mechanism, primarily for use in the agricultural industry, is disclosed. A twine disc rotatably mounted about a central fixed hub is angularly arranged to position the twine-gripping area for better acceptance of twine from the need... | 09/16/1980 |
| 4215527 | Multi-row crop header with feed assist roller A multi-row crop header for a forage harvester having a plurality of forwardly extending dividers to provide crop passageways therebetween, the inner ends of said dividers being adjustably connected to a transverse frame member to vary the spacings betwee... | 08/05/1980 |
| 4209137 | Forage harvester cutterhead with baffle means A rotatable cutterhead for a forage harvester having a plurality of parallel support members within plans perpendicular to a central shaft and spaced axially therealong. A plurality of similar chopping blades are affixed in circumferentially spaced relati... | 06/24/1980 |
| 4205792 | Endcap and support for the front edge of the wooden floor of a manure spreader An improved support for the forward end portion of the wooden floor of a manure spreader is disclosed. The forward edge of the floor is enclosed by a channel-shaped cap portion which is in turn supported by an elongated brace member affixed at its ends to... | 06/03/1980 |
| 4202422 | Safety lock for agricultural windrower or the like A safety lock for an agricultural windrower and/or conditioner comprising a self-propelled machine having a pair of drive wheels respectively powered by individual hydraulic motors each powered by separate hydraulic pumps driven by a fuel powered motor, t... | 05/13/1980 |
| 4202154 | Crop header for a crop harvesting machine having a crop consolidating component which detachably mounts a plurality of interchangeable crop gathering components A crop harvesting header has a transversely extending crop consolidating component that detachably mounts either one of a plurality of interchangeable crop gathering components, such as a crop windrow-pickup or a row-crop. The lower front portion of the c... | 05/13/1980 |
| 4201033 | Disc mowers A disc mower which is silent in operation and simple to maintain. The mower comprises a casing (1) on top of which is mounted at least one pair of rotatable cutter discs (8) driven by a belt transmission (9) housed within the casing (1). The casing (1) ha... | 05/06/1980 |
| 4193248 | Vehicle protective system The invention relates to crop harvesting machines fitted with detector means for detecting the presence of undesirable objects such as metallic objects. The invention seeks to solve the problem of known machines in which some form of slipping clutch is pr... | 03/18/1980 |
| 4187988 | Manure spreader paddle attachment A manure spreader paddle attachment is disclosed wherein a flexible extension is attached to the trailing face of the manure spreader paddle. This extension covers the outer peripheral toothed edge of the paddle to provide a capability for the paddle to s... | 02/12/1980 |
| 4187941 | Bale restrictive flap An improved quarter-turn hay bale chute which prevents skewing and bounce of the bale as it hits the ground. An adjustable flap is set to narrow the lowest portion of the bale "drop window" so that the fully turned bale is restricted in its lateral moveme... | 02/12/1980 |
| 4187667 | Collection and recycling apparatus for crop particles in a roll forming machine Apparatus in a crop roll forming machine for collecting particles of crop material lost from either the crop package or loose crop material during the roll formation process consisting of a collection pan, a horizontal collecting auger, an elevated delive... | 02/12/1980 |
| 4186753 | Material flow retarders In a crop harvesting and threshing machine of the type utilizing axial flow threshing and separation there is provided about the upper portions of the rotor casing axial flow inhibiting elements rearwardly of axial flow facilitating elements. The inhibiti... | 02/05/1980 |
| 4182196 | Throttle control mechanism A mechanical throttle control mechanism is provided for the remote control of an internal combustion engine. The mechanism comprises a speed selector arm movable between first and second limit positions, a friction lock operably associated with the speed ... | 01/08/1980 |
| 4177820 | Combine with offset rotor A combine having a single rotor extending longitudinally for axial feed and discharge having a concave directly beneath the rotor and a separation grate along one side of the rotor adjacent the peripheral path thereof for discharge into a space at one sid... | 12/11/1979 |
| 4177625 | Pull-type agricultural machine The present invention relates to pull-type harvesting machines such as mower-conditioners and comprises a main frame fitted with ground-engaging wheels, a header adjustably mounted on and forwardly of the main frame and comprising drum type mower units, l... | 12/11/1979 |
| 4175568 | Material flow retarders In a crop harvesting and threshing machine of the type utilizing axial flow threshing and separation there is provided about the upper portions of the rotor casing axial flow inhibiting members rearwardly of axial flow facilitating members. The inhibiting... | 11/27/1979 |
| 4174072 | Overload protective device In a crop feed grinding and mixing apparatus having a mixing means mounted to a mobile frame, a grinding means fixed to the frame, material transfer means extending at least between the grinding means and the mixing means, material infeed means in materia... | 11/13/1979 |
| 4172355 | Upper apron assembly In a crop roll forming machine there is provided bale forming means having endless flexible movable means fastened to opposing sides of the frame of the machine, the movable means being interconnected by a plurality of transverse connecting means having i... | 10/30/1979 |
| 4169410 | Independently controlled twine knives In a crop roll forming machine of the type having a bale forming region defined by bale forming means movably mounted on a mobile frame and wrapping means to bind a formed roll of crop material with a binding material there is provided a plurality of inde... | 10/02/1979 |
| 4165751 | Beater grate for combine This invention pertains to a combine of the axial flow type in which rotor means extend longitudinally within the combine in association with concaves, the rotor having in axial alignment, a threshing portion and a separating portion rearward thereof and ... | 08/28/1979 |
| 4162135 | Quarter bale turning apparatus Apparatus functioning in combination with a crop bale forming machine to receive an ejected bale of crop material moving along a predetermined path of travel from a bale outlet in a crop bale forming machine and, via conveying means, turn it a predetermin... | 07/24/1979 |
| 4159615 | Collection and recycling apparatus for crop material particles in a roll forming machine Apparatus in a crop roll forming machine for improving the core formation of the crop rolls, reducing the amount of particles of crop material lost, and collecting particles of crop material lost from either the crop package or loose crop material during ... | 07/03/1979 |
| 4159023 | Infeed means for axial flow combine A crop handling unit for an axial-flow type combine harvester having an infeed region and tandem threshing and separating regions. An associated conveyor is provided for delivering crop material into the infeed region of the unit whereupon material is urg... | 06/26/1979 |
| 4158331 | Center pivot dispensing apparatus In a crop roll forming machine which forms large cylindrically shaped bales in a bale forming region and wraps the bales with a binding material and which further has a wrapping means for controlling the wrapping of the completed bale there is provided at... | 06/19/1979 |
| 4158469 | Feed material handling apparatus The feed material handling apparatus has a frame supporting a feed-receiving hopper disposed horizontally on said frame and an impeller rotatable about a vertical axis therein impels said material through a discharge tunnel to a substantially vertical blo... | 06/19/1979 |
| 4155510 | Manure spreader flail A flail type material spreader has a tank for holding material, a rotor mounted within the tank and having flails provided thereon which, on rotation of the rotor, are operable to discharge material from the tank, the flails including at least one starter... | 05/22/1979 |
| 4151961 | Hay processing machine A mobile processing machine for shredding a package of forage material such as a large cylindrical bale comprising a planar elevating member pivotally supported adjacent one edge in a frame and operated by hydraulic cylinder units from the under-surface t... | 05/01/1979 |
| 4150525 | Combine harvester In a combine harvesting machine comprising a plurality of interconnected sub-assemblies, there is provided the apparatus and the method for utilizing an entirely separate, self-contained, and self-supporting straw walker sub-assembly that may be mounted t... | 04/24/1979 |
| 4149360 | Axial thresher and straw walker means for combine A combine harvester having crop cutting and elevating means at the forward end of the combine to deliver crop material to be threshed to a threshing compartment in which axial rotor and concave means thresh and axially move the crop material to straw walk... | 04/17/1979 |
| 4149543 | Straw discharge means of harvesting machines The invention relates to a harvesting machine provided with rotary separating means, grain cleaning means located generally below the rotary separating means and at a central location below and between transversely spaced separator discharge openings, and... | 04/17/1979 |
| 4143505 | Collection and recycling apparatus for crop material particles in a roll forming machine Apparatus in a crop roll forming machine for improving the core formation of the crop rolls and for collecting particles of crop material lost from either the crop package or loose crop material during the roll formation process consisting of an elongated... | 03/13/1979 |
| 4140047 | Mobile cab with air filter Mobile vehicles and the like having enclosed cabs such as tractors, combines and the like, are provided with air inlet means for the comfort of the operator. The air inlet means are provided with a readily removable filter element and means to support the... | 02/20/1979 |
| 4136704 | Rotor for a combine A rotor for an axial flow type combine has a generally cylindrical main body portion with a pair of rasp bars mounted longitudinally thereon. The forward portion of each of the rasp bars is inclined outwardly and rearwardly to provide an infeed spacing be... | 01/30/1979 |