Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 7337826 | Railway car coupler knuckle having improved bearing surface Knuckle coupler castings and methods for casting the knuckle coupler castings, where the knuckle coupler castings having enhanced bearing surfaces which may include a vertically flat surface. ... | 03/04/2008 |
| 7302994 | Method and system for manufacturing a coupler knuckle A method for manufacturing a railcar coupler knuckle includes providing a cope mold portion and a drag mold portion. The cope and drag mold portions have internal walls defining at least in part perimeter boundaries of a coupler knuckle mold cavity. The method inclu... | 12/04/2007 |
| 5582307 | Railway car coupler knuckle A railway car coupler includes a knuckle that is rotatable about a pivot pin. The knuckle is comprised of a tail section, a hub and a nose section. The knuckle is usually made of steel in a casting operation. The pivot pin opening in the knuckle is cylind... | 12/10/1996 |
| 5285911 | Coupler knuckle pin protector structure and stress reliever A railway vehicle coupler including a coupler body and a knuckle rotatable about a vertical axis. A stress relieving bracket extends integrally from the coupler body and engages the knuckle in bearing relationship between upper and lower pivot connections... | 02/15/1994 |
| 4976362 | Pulling lug for railway vehicle coupler A railway coupler is provided having a coupler head comprising pulling lugs, behind which compound fillets of variable increasing radii have been inserted. The compound fillets reduce the stress concentration behind the lugs by distributing load over a gr... | 12/11/1990 |
| 4645085 | Method of enhancing rigidity in a railway car coupler knuckle A railway car coupler knuckle includes integral nose, hub, and tail portions. The tail portion has a lock shelf and an associated locking face as well as pulling lugs associated therewith. A tail core support aperture in the tail portion communicates with... | 02/24/1987 |
| 4146143 | Automatic coupler for railway vehicles An automatic coupler of the Janney-type has a guide horn rigidly connected to the coupling head below the knuckle and extends forwardly and laterally with respect to the knuckle. The guide horn is shaped to have on its upper face a plurality of guide and ... | 03/27/1979 |
| 4024958 | Coupler knuckle contour The front face of an Association of American Railroads (A.A.R.) type E coupler knuckle, forward of the knuckle pivot center when the knuckle is in closed position, is formed of intersecting surfaces, one of which slopes rearwardly at an angle of approxima... | 05/24/1977 |
