Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 7223076 | Propeller shaft and a propeller adapted thereto Propeller shaft (2) and a propeller (7) for marine drive units. The shaft has a splines portion (3) on which the propeller is designed to be fixed. The shaft also has a threaded portion (10) for a lock nut between the shaft end and the sp... | 05/29/2007 |
| 6755104 | Stripper plate supporting assembly A stripper plate supporting assembly has a stripper spool unit including a stripper spool and retaining screw for supporting the stripper plate in a die press in a manner that the stripper plate may be removed from a die set without removing the die set from the pre... | 06/29/2004 |
| 6290442 | Locking fastener assembly for threaded joint A highly adjustable free spinning positively locking fastener assembly for threaded joints such as automotive or truck wheel assemblies includes a nut having a flange with a retainer washer captured on the nut flange via a locking bolt. The washer include... | 09/18/2001 |
| 5795037 | Controlled position axle nut system and method to preload tapered roller bearings A novel axle nut system is provided on the spindle ends of an axle which mounts a wheel assembly that includes tapered roller bearings. The axle nut system of the present invention includes an adjustment nut, a washer and a retainer member. The adjustment... | 08/18/1998 |
| 5326207 | Safety screw A screw having a threaded shaft, a head on the shaft and means to permit rotation of the screw. There is a longitudinal slot extending along at least a portion of the threaded shaft to receive a locking member. The invention has a particular application i... | 07/05/1994 |
| 5199838 | Nut for use on roadways, runways, in reinforced concrete construction, and the like A nut for use on roadways, runways, in reinforced concrete construction, and the like, possesses a generally circular shape, with spherical top and bottom surfaces connected by a cylindrical side wall. A central aperture formed through the nut is threaded... | 04/06/1993 |
| 4668143 | Lock nut for automobile stereo systems The present invention is directed to a locking device to frustrate unauthorized removal of stereo systems and like assemblies from automobiles or trucks. The device includes a frusto-conically shaped housing with a rotation prevention mechanism fastened t... | 05/26/1987 |
| 4655659 | Roofing fastener A fastener for securing two pieces of roofing material includes an elongated member having a pointed tip end and a flange like head end. The elongated member includes an internal channel that extends substantially the entire length of the member and termi... | 04/07/1987 |
| 4636121 | Holding screw A holding screw rotatable in an inward direction having means to prevent or retard rotational movement in the opposite direction. The screw device includes a conventional screw body having external helical threads to move the screw inwardly by rotating in... | 01/13/1987 |
| 4572039 | Interlocking lock screw with screw driver An interlocking lock screw and screwdriver which prevents the specially designed screwdriver blade with guide dimples from slipping out of a specially designed screw head with a screwdriver guide channel and guide dimple entry apertures. The screwdriver m... | 02/25/1986 |
| 4541609 | Disconnectable valve motor drive A stem nut for driving a valve stem is coaxially rotatable within a drive collar which is offset from the axis of a nutating drive motor. The drive motor and the drive shaft are coupled together for rotation by means of readily interchangeable sprockets d... | 09/17/1985 |
| 4361057 | Handlebar adjusting device A device for changing drop-style handlebars between a downward or racing position and a touring or general use position, comprising a coupler including two mutually rotatable members, attached respectively to a free or gripping part of a handlebar and to ... | 11/30/1982 |
| 4237949 | Anti-theft fastener An attachment fastener is provided in the form of a threaded bolt having a head. Radially displaced threaded axial holes in the head are provided with set screws which, when installed, are recessed within the head and project into an adjacent support arm ... | 12/09/1980 |
