Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7428455 | Compaction indication by effective rolling radius Accurately determining the compaction state of a base material during the compaction process is a recognized problem in the construction industry. The present invention recognizes that the compaction state of the base material can be determined by ascertaining the e... | 09/23/2008 |
| 7354222 | Belted asphalt compactor A belted asphalt compactor and method are provided. The compactor includes a first unit with a roller frame. A second unit is coupled to the first unit, and is generally identical thereto. At least one mid roller and two end rollers are mounted in the roller frames,... | 04/08/2008 |
| 7124835 | Agricultural machine comprising a towed support frame and rollers provided with a set of dome profile pneumatic tires The machine comprises a given number of roller pairs respectively connected to the machine frame by a linking part (32). The linking part (32) of each roller pair is adapted so as to enable the rollers (12a, 12b) to incline ... | 10/24/2006 |
| 7066682 | Vehicles and methods for soil compaction and loading Vehicles and methods provide for a single vehicle that has both loading ability to grade and otherwise move dirt while also having the ability to compact soil. One or more compaction wheels are included on a vehicle such as a skid steer loader. Wiper bars are also i... | 06/27/2006 |
| 5507593 | Uniform compaction of asphalt concrete Apparatus is described for obtaining uniform compaction of asphalt concrete to reduce or prevent cracking of the asphalt concrete surface. A mobile confinement edge force is maintained in contact with the edge surface of an asphalt concrete mat while the ... | 04/16/1996 |
| 4964754 | Concrete screeding machine A screeding machine has mounted thereon, in order from front to rear, a paving material agitating means for dispersing and expelling trapped air, a screeding roller, and first and second drive rollers. For a fine finish, a finishing roller extends from th... | 10/23/1990 |
| 4801219 | System for compacting paved surfaces A compactor having the roller shafts mounted for changing the inclination of the roller through a linkage system. The compactor is connected to an anchor vehicle by a tension member which deters lateral shifting and has a sensor indicating the inclination... | 01/31/1989 |
| 4747726 | Concrete screeding machine A screeding machine has hydraulic cylinders for independently raising and lowering the opposite ends of a drive roller to effect steering actions.... | 05/31/1988 |
| 4662779 | Road roller A road roller includes a pair of rotatable roller drums each having axially opposite end portions and an axis of rotation, the roller drums pivot between a first position at which the roller drums are generally in line with the direction of travel with th... | 05/05/1987 |
