Quotables
"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 7823989 | Rubber crawler having first and second rubber compositions A rubber crawler (1) has a plurality of parallel metal links (11) embedded at regular distances from each other in circumferential direction of a rubber belt (22) and extending in the lateral direction of the rubber belt (22), each metal ... | 11/02/2010 |
| 7413268 | Rubber crawler track and method of producing metal core for rubber track A rubber crawler track in which a local side displacement is more effectively prevented to effectively prevent wheel run-off, which can reduce traveling vibration, and in which separation of metal cores is prevented for improved durability of the rubber crawler trac... | 08/19/2008 |
| 7114788 | Angled traction lugs for endless band This invention refers to the traction lugs of reinforced elastomeric endless traction bands, and more particularly to those which are used on heavy vehicles like defense vehicles or for skid steer vehicles. More specifically, the invention relates to traction lugs w... | 10/03/2006 |
| 7014279 | Elastic flat tread The present invention is an elastic flat tread which can prevent an elastic solid from cracking even if the vehicle runs on a protruding object during traveling. For this purpose, the elastic flat tread is provided with any core (1, 11, 115) of a core (1, ... | 03/21/2006 |
| 6588862 | Rubber crawler track This invention relates to a molded crawler track comprising metallic core bars set in an endless rubber belt. The core bars comprise first and second wings (2, 4) extending in a transverse direction to the axis of the track and, between the wings, a sproc... | 07/08/2003 |
| 5813733 | Metal core member for rubber crawler belt, the rubber crawler belt and method of winding the same The present invention is a metal core member for a rubber crawler belt, the rubber crawler belt, and a method of winding the same, and can prevent fall-off of the crawler belt, resulting from a flange portion of an idler wheel running on a rail surface of... | 09/29/1998 |
| 5368376 | Replacement endless vehicle tracks A replacement endless drive track for use on a heavy duty tracked vehicle such as a bulldozer or tank includes a reinforced polymeric drive belt, two parallel sets of closely spaced rail blocks adjacent the drive belt, a plurality of drive pins extending ... | 11/29/1994 |
| 5362142 | Combination linkage type rubber crawler In a connected link type rubber crawler for use in a mobile construction machine, track links are connected on the inner periphery of the main body of a crawler made of rubber to form a continuous wheel turning track, and the main body of the crawler and ... | 11/08/1994 |
