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 |
| 7326016 | Fastening element with a washer A fastening element having a stem (11) with a tip (12) provided at one of its ends, a head (13) provided at another opposite end, and a guide cylindrical member (30) mounted on the stem (11) for guiding the fastening element (10... | 02/05/2008 |
| 7198445 | Washer with crush zone A conical washer having a crush zone wherein the inner annular projection comprises a top and bottom elevation where the top elevation lies at an approximately 100 to 165 degree angle to the inner annular wall of the washer and the bottom elevation is substantially ... | 04/03/2007 |
| 7083372 | Washer and fastening element A washer for a fastening element, having a circumferential flange, having an annular washer body provided with an opening, and having at least one holding web, wherein on the inner face of the opening there are disposed at least two claws, which jut radially into th... | 08/01/2006 |
| 7008158 | Bolt or nut locking fastener and fastening system A fastening system and assembly functions as a washer ring components but also provides for locking the bolt head end to prevent rotation of the threaded shaft while tightening the nut. The same device can be used alone on the threaded end of a bolt, or in conjuncti... | 03/07/2006 |
| 6976817 | Positive locking fastener A positive locking fastener for inhibiting rotation of a nut located on a shaft of a threaded fastener, the positive locking fastener comprising: a first plate and a second plate receivable on the shaft, wherein at least one of said plates is rotationally fixed rela... | 12/20/2005 |
| 6976816 | Combination lock washer and spindle bearing assembly The present invention relates to a connection between a spindle and a bearing assembly to retain the bearing assembly on the spindle. A combination lock washer and spindle bearing assembly is provided to include a spindle, thrust washer, lock washer and nut in which... | 12/20/2005 |
| 6966735 | Screw mechanism In a screw locking assembly a pair of washers having inclined surfaces are interposed between a screw member on a tightening side and a member to be tightened, with the inclined surfaces being mutually contacted. These inclined surfaces circle around once in spiral ... | 11/22/2005 |
| 6939097 | Ground washer A ground washer is disclosed for attachment by a grounding screw to a grounding terminal. The washer device includes a disc-shaped member which defines an opening for the reception therethrough of the grounding screw. The member has an annular portion having a first... | 09/06/2005 |
| 6669419 | Probe locking washer A probe locking washer (10) for substantially preventing unwanted loosening of a probe mounted on a receiver unit of an animal training device in which the receiver unit is mounted on an animal collar. The probe locking washer (10) of the present inventio... | 12/30/2003 |
| 5967723 | Nut and bolt locking system A nut and bolt locking system including a bolt having an anti-lock threaded shaft receiving a lock washer thereon with a plurality of spaced ears and mating anti-lock configuration. A nut threads onto the bolt shaft after placement of the washer thereof. ... | 10/19/1999 |
| 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 |
| 5711644 | Screw retention device In a screw retention device for a screw (1) by means of which a first component (2a) and a second component (2b) are braced, a plain washer (5b) bears positively on the first component (2a) and is likewise braced by means of the head of the screw (1) on t... | 01/27/1998 |
| 5221168 | Device for fixing external part to shaft A device for fixing an external part to a shaft, which clam a boll and roller bearing by a washer and a nut. The washer is provided with a plurality of projecting engageable pawls on the outer periphery thereof and a projecting tongue piece on the inner p... | 06/22/1993 |
| 5022875 | Marine propeller locking tab washer A marine drive (10) has a propeller (12) with a hub (14) mounted on a propeller shaft (22). A rear thrust hub (30) has one or more slots (40) spaced circumferentially around the propeller shaft. A nut (42) is threaded onto the propeller shaft to mount the... | 06/11/1991 |
| 4887949 | Bolt retention apparatus A retention clip cooperates with a bolt and a flange through which the bolt passes to retain the bolt during blind assembly. Opening 28 in flange 26 receives bolt 24. Retention clip 40 is retained with extension 50 in recess 34 by engagement of the clip w... | 12/19/1989 |
| 4283091 | Shock proof fastener assembly for vehicle wheels and other applications A shock and vibration-proof fastener of general application and particularly suitable to hold dual wheels demountably assembled to a cargo vehicle hub. The fastener is designed to isolate the threads thereof from radial and torsion stresses utilizing a sp... | 08/11/1981 |
| 4064976 | Car retarder shoe structure A car retarder shoe structure in which a removable shoe member is attached to the brake beam of a railway car retarder by means of bolts. Each bolt is tapered and the corresponding hole in the shoe is likewise tapered. The tapered portion of the bolt is a... | 12/27/1977 |
