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| Number | Title | Issue Date |
| 4076319 | Nested wheel assembly Wheel structures are made removable from the body which they support. Each wheel structure includes a solid wheel which is normally imperforate between the hub and the rim and an axle on which the wheel is rotatably secured. The web of each wheel between ... | 02/28/1978 |
| 4045096 | Spokeless wheel and shroud therefor A spokeless wheel which comprises a shroud in which a rotor (or hoop) is rotatably disposed and lateral bearings to laterally stabilize the rotor within the shroud. A series of resiliently mounted bearings are spaced about the shroud for rotatably retaini... | 08/30/1977 |
| 4035026 | Method and device for aiding and enhancing rotary motion Method and device for aiding and enhancing rotational movement of a member journaled with another member by biassing one of the members to an offset position relative to the other member with the offset being unstable and tending to aid rotation as a rest... | 07/12/1977 |
| 4023511 | Seed planting roller device An improved seed planting roller for planting seeds in individual holes in the ground, and having means for reclosing the hole over the planted seed. Also, means are shown for altering the circumference of the roller for adjustment of planted seed spacing... | 05/17/1977 |
| 3997217 | Machine or vehicle component and reinforcement element A machine or vehicle component subject to wear by friction and/or recurring impact, such as a roller for a tracked engine, made of light weight alloy and comprising at least one reinforcing element of hard material, distinguished by the fact that the rein... | 12/14/1976 |
| 3957100 | Pneumatic wheel for travel on all types of terrain A pneumatic wheel comprising an inflatable element of substantially toroidal shape having a central tubular passage, and a hub disposed in the central passage. The hub and inflatable element are frictionally coupled without being physically secured togeth... | 05/18/1976 |
| 3948563 | Method and apparatus for transmitting torque A device and method for transmitting and amplifying torque comprising, an outer member, preferably circular in shape and having support means defined therein, an inner circular member of a diameter less than the diameter of the outer member, the inner mem... | 04/06/1976 |
