Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 5749353 | Cutting blade with an impact load prevention layer A saw blade is provided which includes an inner collar separated from an outer collar with a resilient isolated layer. The inner collar fastens to the arbor shaft of a driving motor, while the outer collar is welded to the rim containing hardened particle... | 05/12/1998 |
| 5690391 | Self propelled saw A concrete saw is provided having an engine aligned along a longitudinal axis of the saw frame to minimize the width of the saw and provide a more balanced system. A clutch assembly is attached to a forward end of the engine to disengage the saw blade wit... | 11/25/1997 |
| 5680854 | Self propelled saw A concrete saw is provided having an engine aligned along a longitudinal axis of the saw frame to minimize the width of the saw and provide a more balanced system. A clutch assembly is attached to a forward end of the engine to disengage the saw blade wit... | 10/28/1997 |
| 5560348 | Cutting blade with an impact load prevention layer A saw blade is provided which includes an inner collar separated from an outer collar with a resilient isolated layer. The inner collar fastens to the arbor shaft of a driving motor, while the outer collar is welded to the rim containing hardened particle... | 10/01/1996 |
| 5480081 | Scoring and breaking device with a carrying case therefor A tile cutting apparatus includes a unit base for holding a tile and guide rods above and running parallel to the base. The guide rods carry a scoring/breaking assembly along a scoring and breaking path. The base includes, on its upper surface, a breaker ... | 01/02/1996 |
| 5477844 | Slurry recovery system for a wet cutting saw A slurry recovery system for a wet cutting saw which includes a watering section, a containment section, a gas-liquid separator section and a discharge section. The watering section contains a pressure gauge, shut-off valve and flowmeter to control the fl... | 12/26/1995 |
| 5471970 | Method of manufacturing a segmented diamond blade A method is provided for manufacturing a segmented diamond blade. The method includes the steps of placing a core into a mold and pouring a metal mixture into a mold cavity surrounding the core. The metal mixture is cold pressed to the core to form a blad... | 12/05/1995 |
| 5381780 | Green and cured concrete A saw for grooving concrete includes a base supported by plurality of wheels such that a cutting guide of the base may press against the green concrete with a predetermined load. A cutter frame is pivotally mounted to the base and includes a cutting blade... | 01/17/1995 |
