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 |
| 4462443 | Positioning and feeding apparatus for lumber edger including improved clamp means An edging optimizer apparatus is described including scanner means for scanning lumber with light beams to determine a reference axis which may be the optimum yield axis for cutting boards therefrom and improved clamp means for clamping the lumber after s... | 07/31/1984 |
| 4232792 | Crane A remotely controlled rotatable crane for loading logs on a live deck. The crane includes a carriage having a horizontal bed rotatable on a circular track about a verticle axis, the bed carrying a truss assembly extending upwardly and radially outwardly f... | 11/11/1980 |
| 4231464 | Conveyor with laterally adjustable flights An infeed conveyor feeds logs lengthwise toward a sawing, chipping or other log processing machine. The infeed conveyor has two endless conveyor chains which circulate in an infeed conveyor path carrying flights along low-friction guides. To assist in obt... | 11/04/1980 |
| 3991637 | Chop saw A chop saw for selectively cutting logs to various lengths includes a motor-driven circular saw blade mounted at the outer end of a saw carriage pivoted to a fixed base. A rotary crank mechanism driven by a hydraulic motor on the carriage oscillates the c... | 11/16/1976 |
| 3970126 | Log debarker A rotary ring-type log debarker has barking tools operated by double-acting air cylinders with air pressure supplied through solenoid valves from a pressure chamber in the rotor. During normal debarker operation the rotor pressure chamber is isolated from... | 07/20/1976 |
| 3958615 | Tree cutting apparatus with improved cutting blade construction A tree cutting and gripping head assembly for use in a tree felling apparatus which includes a single movement effecting unit, such as a hydraulic ram, connected both with respect to a tree cutting part and a tree gripping part of the head assembly for ef... | 05/25/1976 |
| 3955765 | Whole tree chipper A method of whole tree chipping and whole tree chipper with a funnel-shaped receiving structure for receiving the butt end of a tree while the top of the tree is supported by the ground, and for bending limbs thereof, and a pair of free-floating feed roll... | 05/11/1976 |
