Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 5235922 | Planter with equalizer between gauge wheels For multi-row planting a seed planter having furrow-opening discs and associated gauge wheels the independent support arms of which are operatively interconnected by an equalizer arm whereby the combined load carried by the gauge wheels is distributed sub... | 08/17/1993 |
| 5000268 | Lifting assembly for agricultural implements An auxiliary support for permitting longitudinal travel of transversely elongated agricultural implements comprises a pivoted lifting frame adapted to extend outwardly and downwardly to elevationally raise the implement framework at one side. The outer en... | 03/19/1991 |
| 4726303 | Zero-till drill This invention is directed to a novel zero-till seed drill which has a shortened wheel base and can thus closely follow the contours of a field which is being seeded, is capable of being raised and lowered at the beginning and end of each pass on the fiel... | 02/23/1988 |
| 4594951 | Regularizing device for the depth of a furrow The device is mounted on a seeder provided with a hopper, with a seed distributor and with a plowshare or work disk. It comprises two lateral gauge wheels mounted on two bearings borne by two arms pivotably articulated around an axis on the chassis of the... | 06/17/1986 |
| 4558746 | Lawn working implement A lawn working implement having rigid teeth which is towed behind a small tractor or other such apparatus to thatch, sow or work a lawn. The implement is compact and highly maneuverable, yet applies pressure to its rigid tines to work the lawn effectively... | 12/17/1985 |
| 4526238 | Land leveling device A land leveling device having a frame supported on wheels for earth traversing movement forwardly thereof; a first pair of blades borne by the frame in rearwardly convergent oblique relation to each other; a second pair of blades borne by the frame rearwa... | 07/02/1985 |
| 4520877 | Row cultivator with structure to inhibit bowing of its frame end to end A cultivator designed to dig up weeds from between rows of crop. The structure of the cultivator is unified with a laterally extended front bar that carries digging tines that dig up weeds along each side of the row of crop of a number of rows at one time... | 06/04/1985 |
| 4420167 | Assembly for stabilizing a vehicle chassis The present invention is directed to an assembly for stabilizing a vehicle supported on at least three pairs of wheels or tracks, wherein various pairs of wheels are selectively connected to one another in bogie style so as to reduce tipping movement of t... | 12/13/1983 |
| 4413685 | Planter implement with adjusting position-display apparatus and system thereof An apparatus is provided for remote selective operator adjustment and display of the position of adjustment of a plurality of ground-supported planting units of a planter. The apparatus includes a planter gauge wheel on each unit adjustably mounted theret... | 11/08/1983 |
| 4356780 | Equalized furrow forming apparatus for a seed planter An apparatus to be towed that includes a frame supported, rotatably mounted, pair of furrow forming disks that are arranged to substantially contact each other at the approximate point of entry into the soil and diverge apart rearwardly and upwardly, a pa... | 11/02/1982 |
| 4317489 | Ground-working implement and lift linkage therefor A drawn moldboard plow includes a lift linkage for the rear furrow and ground wheels which improves ground penetration by causing the plow frame to roll as it is lowered so the share points contact the soil first. A hydraulic cylinder contained within a p... | 03/02/1982 |
| 4301872 | Plow with correlated pull bar adjustment and support wheel steering An articulated plow is provided with a laterally swingable pull bar (31) and steerable intermediate support wheels (46, 47) which are controlled by a hydraulic system providing correlated movement through parallel connected hydraulic jacks (37, 66). A lat... | 11/24/1981 |
| 4286672 | Rearwardly folding agricultural implement with extendable transport wheels An implement that includes a central subframe, a center frame, a pair of wing frames pivotally connected to the ends of the center frame for movement between a transversely aligned operating position and a rearwardly folded transport position, and a set o... | 09/01/1981 |
| 4253528 | Pivoting dual land wheel for a plow A land wheel assembly including dual wheels pivotally mounted on a vertically positionable arm of an implement such as a plow. When the arm is lowered and the plow is in the transport position the wheels can rock in a castering fashion about a pivotal axi... | 03/03/1981 |
| 4217962 | Hydraulically operated grade scraper A soil ripping tooth assembly is pivotally mounted for vertical movement within a horizontally disposed downwardly and forwardly open box frame having a drawbar and drawn by a prime mover having a hydraulic fluid supply system. A scraping blade is connect... | 08/19/1980 |
| 4150725 | Implement with compensation for terrain irregularities An agricultural implement such as a disc or treader is provided with a counterpoise connection between the frame of the implement and the tongue for holding the tongue in a normal operative position. The counterpoise employs a spring-loaded compensator li... | 04/24/1979 |
| 4139065 | Transport wheel assembly for implements This invention relates to a transport wheel assembly for a tillage type agricultural implement having at least two pairs of ground support wheels mounted on the frame section of the implement. Each wheel of the pair is journaled in a separate axle mounted... | 02/13/1979 |
| 4131162 | Earth working apparatus An earth working apparatus comprising a main frame having a hitch for detachably connecting the apparatus to a prime mover, a first ground working implement mounted on the main frame, a pair of support arms operatively connected at forwardly disposed ends... | 12/26/1978 |
| 4117893 | Agricultural tool bar An agricultural tool bar includes a main frame adapted to be drawn by a traction vehicle. First and second tool support beams are pivotally mounted to the main frame. The tool support beams are adapted for movement between a use position and a road travel... | 10/03/1978 |
| 4106568 | Chisel plow with adjustable towing tongue and gauge wheels A plow for chiselling the earth at substantial depths, including a framework having a plurality of arcuate chisel blades mounted thereon. A towing tongue is pivotally connected to the forward side of the framework, and a hydraulic piston and cylinder syst... | 08/15/1978 |
| 4098348 | Disc harrow with support wheels having interconnected separate mounting mechanisms A disc harrow having a pair of spaced support wheels each having its own operating mechanism including a hydraulic actuator for raising and lowering the respective wheel, but wherein the mechanisms are mechanically linked together to ensure substantially ... | 07/04/1978 |
| 4095653 | Soil cultivating implements An implement has a frame including beams assembled end to end in the shape of a W with deep tillage members depending from each beam. A towing hitch is connected to the middle of the assembly so that during operation, the beams are inclined with respect t... | 06/20/1978 |
| 4093248 | Pivotal implement A pivotal implement, such as a pivotal plow includes an implement frame having an axle extending longitudinally in the direction of travel which is pivotally supported on an undercarriage for movement relative thereto about its axle. The undercarriage inc... | 06/06/1978 |
| 4058068 | Soil cultivating and sowing implement A cultivator or rotary harrow has soil working members rotatable about upwardly extending shafts journalled in a frame portion that extends transverse to the direction of travel. The front of the frame is supported by a coupling attached to a prime mover ... | 11/15/1977 |
| 4057111 | Soil cultivating machines A soil cultivating machine has a row of driven rotatable soil working members and a tool bar at the rear thereof to which tools, such as seed drills can be attached. The machine is connectable to a tractor lift and the members are driven via a p.t.o. At l... | 11/08/1977 |
| 4055222 | Earth moving implement with adjustable wheel assembly The implement includes a bucket having a lower scraping blade. A pair of laterally spaced ground-engaging wheels are pivotally supported on the rear of the bucket and may be swung upwardly and downwardly in unison to change the elevation of the bucket. On... | 10/25/1977 |
| 3983943 | Soil cultivating implement combinations A combination implement has a leading cultivator with fixed tines and a rear rotary harrow with driven soil working tined members. The cultivator has side ground wheels with vertical adjusting means that controls the working depths of the fixed tines. The... | 10/05/1976 |
| 3965989 | Flexible plow A large moldboard plow utilizing a multi-piece backbone or main frame connected by a hinge or hinges and a floatation land wheel or wheels. The hinge or hinges being arranged such that a uniform interval is maintained between the last plow bottom on the f... | 06/29/1976 |
| 3951213 | Rotary harrows A harrow has side-by-side rotary soil working members mounted on upright shafts which are journalled in a frame portion that extends transverse to the direction of travel. Supporting members are pivoted to the harrow's frame in front of the soil working m... | 04/20/1976 |