Bizarre Patents
Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4058171 | Mounting of soil working tines A tine mounting for a rotary harrow has an elongated support and a holder at each outer support end. Each holder has a configured vertical bore that tightly receives the fastening portion of a tine and a central bore that receives a rotary shaft. The moun... | 11/15/1977 |
| 4057110 | Rotary harrows A harrow attachment has side-by-side rotary soil-working members mounted on upright axes journalled in a frame. A delivery mechanism with an elongated hopper and agitators and/or other feeding mechanisms can be connected to be rotatable and driven by the ... | 11/08/1977 |
| 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 |
| 4055221 | Soil cultivating implements A soil-cultivating implement has soil-working members mounted for rotation about corresponding upwardly extending axes. A soil-working tool, preferably one or more tines, is connected to a support of the soil-working member by at least one quick release f... | 10/25/1977 |
| 4053020 | Soil working tines A tine on a rotary harrow has an upper fastening portion and a lower soil working portion which portions meet at a junction. The fastening portion is tapered to be tightly held in a holder without turning and has an upper threaded end that receives a nut ... | 10/11/1977 |
| 4051903 | Soil cultivating machines A cultivating machine has one or more working members that are driven to rotate about upwardly extending axes. Each working member is connected to a drive transmission to turn and, spaced apart soil working members mounted for free rotation about respecti... | 10/04/1977 |
| 4049061 | Rotary harrows A cultivating implement or rotary harrow has two groups of soil working members mounted on upwardly extending shafts that extend transverse to the direction of operative travel. The groups of soil working members are adjustably linked to an elongated fram... | 09/20/1977 |
| 4046202 | Cultivators A tractor drawn cultivator comprises a frame extending transversely to the direction of movement of the tractor. A plurality of spaced apart vertical axis rotary driven cultivator members comprising downwardly extending tines are supported from the frame.... | 09/06/1977 |
| 4044840 | Soil cultivating machines A cultivating machine has a row of soil working members that are driven to rotate about upwardly extending axes. Each member includes an elongated support and the opposite ends of the support each have downwardly extending arms with tine holders in which ... | 08/30/1977 |
| 4044839 | Soil cultivating machines A soil cultivating machine has side-by-side working members mounted on upwardly extending shafts that extend slightly forward with respect to the direction of travel. Each working member includes radial arms and at the outer end of each arm a tool, such a... | 08/30/1977 |
| 4043400 | Harrows This invention relates to harrows, such harrows being of the kind comprising a frame portion that is movable over the ground and that is provided with a plurality of soil working members or rotors arranged to turn about corresponding upwardly extending ax... | 08/23/1977 |
| 4042041 | Rotary harrows A rotary harrow has soil-working members that are protected and, to some extent, supported from the ground by an elongated transverse beam that is pivoted to the front of the frame. The beam is spring biased to an operative location adjacent the soil-work... | 08/16/1977 |
| 4036154 | Soil cultivating implements A rotary harrow or cultivator has a first frame portion linked to a second frame portion. The second frame portion supports rotary soil working members and a roller is adjustably connected to the rear of the second frame portion to govern the working dept... | 07/19/1977 |
| 4036303 | Soil cultivating machines A soil-cultivating machine has an elongated frame that extends horizontally and transverse to the direction of travel. A row of adjacent soil-working members are mounted on corresponding upwardly extending shafts which are geared to a common drive shaft a... | 07/19/1977 |
| 4033416 | Blade means for row crop thinning machine A cutting blade is carried on a shaft rotatable about an axis positioned adjacent a row crop. The blade extends across the longitudinal centerline of the row and cuts plants as the machine moves forward until a sensing means registering on forwardly posit... | 07/05/1977 |
| 4033418 | Tine mounting for rotary harrow including U-shaped recess A rotary harrow has soil working members, each of which includes a tine mounting wherein a horizontal support has a holder with a tine at one end, or both ends. Near the top of the fastening portion are one or two recess stops that are engaged by tighteni... | 07/05/1977 |
| 4029156 | Soil working tines A tine for use on rotary soil working members that are rotated about upwardly extending axes has a upper fastening portion joined to a lower soil working portion. Each of the portions has a longitudinal axis and one axis is preferably inclined to the othe... | 06/14/1977 |
| 4018289 | Soil cultivating tines A rotary harrow or cultivator tine has an upper fastening portion that is tightly received in a holder. The fastening portion is integral with a lower soil working portion that terminates in a tip and the two portions are angled with respect to one anothe... | 04/19/1977 |
| 4018170 | Rotary harrows A soil cultivating implement or rotary harrow has a row of soil-working members rotatably mounted on upwardly extending shafts. Driving means rotates the shafts and tools, preferably tines, are moved through the soil to work same. Fluid material from a co... | 04/19/1977 |
| 4018288 | Rotary harrows A rotary harrow has a plurality of soil-working members rotatably mounted on upwardly extending shafts and the shafts are journalled in an elongated frame portion that extends transverse to the direction of travel. A protective and supporting member of el... | 04/19/1977 |
| 4014272 | Cultivators A cultivator has a row of soil working members or rotors mounted on axis shafts journalled on a frame portion. Each rotor has a single rotatable downwardly extending tine that is offset with respect to its axis shaft of rotation to work a diameter that is... | 03/29/1977 |
| 4006781 | Rotary soil-engaging members A soil engaging roller has a central axis shaft and spaced apart plate-like supports secured to the shaft. The supports are upwardly extending with holes around their perimeters to receive elongated rod-type elements that form the periphery of the roller.... | 02/08/1977 |
| 4003436 | Oscillatory cultivator A portable, power operated, hand cultivator comprising a frame having a motor supported thereon which, through a transmission, oscillates two or more generally vertically disposed cultivator tines extending downwardly from the frame. A handle is provided ... | 01/18/1977 |
| 4002209 | Soil working tines and their mounting A tine mounting and tine both comprise a rotatable soil working member for a harrow designed to resist damage from stones and other debris on or in the soil. The mounting has an upper shaft that defines an axis of rotation and a holder with a bore that ex... | 01/11/1977 |
| 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 |
| 3946816 | Rotary harrows A harrow has rotary soil-working members in driving connection and spaced apart from one another to work non overlapping paths through the soil being cultivated. Between the rotary soil-working members, non rotary tines are positioned to work the strips r... | 03/30/1976 |
| 3944002 | Tine mountings A tine mounting for a cultivator includes an elongated horizontal support with passages at each end thereof to receive a tine. The passages are enlarged and have securing surfaces at each side thereof to interfit with the fastening portions of tines and p... | 03/16/1976 |
| 3939918 | Tine mountings A cultivator tine and mounting includes an elongated tube support that rotates about an upwardly extending shaft that is secured to a bracket at the upper central portion on the support. Each end of the support is closed by tine holders having vertical pa... | 02/24/1976 |
