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 |
| 6484812 | Harrow bearing A bearing assembly (10) is taught including a housing (14), a shaft (18) supported within the housing (14) and having an outboard end extending through an opening in an end of the housing (14), a bearing (16) disposed between the shaft (18) and the housin... | 11/26/2002 |
| 6378622 | Soil laboring tool A tool for agricultural labors such as tilling, cultivating, cutting, chopping haulm and soil, fertilizing works, closing and opening furrows, the tool comprising a disc member having a center portion thereof shaped into a housing integrally forming one p... | 04/30/2002 |
| 5678930 | Improved bearing assembly permitting tri-axial movement A bearing assembly has first and second trunnions supporting a bearing and defining a trunnion pivot axis. In the improvement, each of the trunnions is mounted in and supported by a separate cushion member of annular shape. The assembly permits bearing pi... | 10/21/1997 |
| 4993850 | Disc harrow support assembly A support for a disc narrow assembly wherein a standard ball bearing unit is utilized and is encased in a housing formed of opposing mirror image bushings which are further enclosed by a pair of opposing mirror image flange members that are releasably aff... | 02/19/1991 |
| 4525433 | Composite material Composite materials comprising, inter alia, a dispersion strengthened platinum-palladium-dispersion strengthened platinum sandwich have comparable properties of strength, ductility and electrical conductivity to the rhodium-platinum alloys used for fibre-... | 06/25/1985 |
| 4454923 | Holding device for boring head tools or the like A holding device for a boring head tool and the tool itself are arranged so that the tool can be mounted from the rear of the boring head. The tool is mounted on a supporting member which has head parts provided with supporting faces and the holding devic... | 06/19/1984 |
| 4296977 | Self-aligning shaft bearing mounting assembly A self-aligning shaft bearing mounting assembly suitable for rotatably supporting a disc harrow shaft or the like, adapted to be mounted on a framework including a strut having a pair of spaced apart ball-members affixed thereto. An anti-friction bearing ... | 10/27/1981 |
| 4173262 | Disc gang mounting The depending struts on a tool beam have "floating" bearings at their lowermost ends which can be displaced in a horizontal direction generally parallel to the beam between relatively closely spaced, fixed limits. The bearings in turn journal a disc gang ... | 11/06/1979 |
| 4136746 | Bearing assembly for farm implements incorporating rotatable discs The subject bearing assembly is characterized by bearing structure for axially supporting the disc blade arrangement while simultaneously providing optimum support against the lateral or thrust forces acting upon the disc blade arrangement, i.e., thrust f... | 01/30/1979 |
| 4060289 | Bearing assembly for an auger scraper A scraper which has a bowl provided with an upright auger has a bottom bearing assembly on the bowl floor which supports the auger. The bearing assembly has a fixed lower housing with a stepped cavity containing bearings, and an upper housing rotatably ca... | 11/29/1977 |
| 3980355 | Bearing boxes for rotary shafts subjected to twisting moments An improvement in bearing boxes adapted to mount on rotary shafts objects subjected to twisting moments. Such objects are conventionally mounted by means of a pair of oppositely disposed conical roller bearings, and the improvement comprises a third conic... | 09/14/1976 |
