Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7585238 | Roller assembly of a belt drive system A roller assembly for a belt drive system of an agricultural machine, the roller assembly having a shaft, a roller rotatably mounted on the shaft, and adjustment means for adjusting the position of the shaft. The adjustment means includes means for angular ad... | 09/08/2009 |
| 7329197 | Self-aligning pulley, gear or other rotational member An improved alignable pulley or sheave assembly includes: (a) a shaft having a rotational axis and an exterior surface which has a portion that is spherically shaped, (b) a pulley having a perimeter and a central opening with an interior surface that is configured s... | 02/12/2008 |
| 7222728 | Adjustable shield for a conveyor belt The present invention is related to an adjustable finger guard or shield for a conveyor. The housing's slide can include the combination of a plate, one or more connectors and a rotable bearing's housing. Moving the slide from a first direction to a second direction... | 05/29/2007 |
| 7131163 | Retort cleaning apparatus A retort cleaning apparatus 10 (RCA 10) comprising a blow-off nozzle (12) having an air inlet port (14) and an orifice (16). An air passage extension tube (22) has an inward coupler (24), and a heat-resistant outward ... | 11/07/2006 |
| 6884193 | Tensioning device and transpositioning device with the tensioning device A tensioning device (32) for tensioning at least two, substantially length-invariant belts (18, 24) includes a first belt (18) guided about a first axis (A), which repeatedly guides an adjusting movement in an adjustment direction substantially ... | 04/26/2005 |
| 5676613 | Independently steerable tube stock idler pulley An independently steerable tube stock idler pulley for simplifying tracking adjustments of a belt, wherein the pulley is rotatably mounted on a fixed shaft supported at its ends by such as pillow blocks or the like, with a pair of roller bearings for perm... | 10/14/1997 |
| 5620384 | Front derailleur for a bicycle A front derailleur for a bicycle has a four-point link mechanism, and a control cable is attached by a screw to an end of a connecting arm fixed to one link of the four-point link mechanism. The connecting arm has an auxiliary projection. The control cabl... | 04/15/1997 |
| 5410389 | Neutral side force belt support system A system to support a moving photoreceptor belt in an electrophotographic printing machine while minimizing lateral forces applied thereon. Pairs of idler rolls are located in contact with the inner surface of the belt in an arrangement in which the axes ... | 04/25/1995 |
| 5199929 | Automatic bicycle transmission An electronic, automatic bicycle transmission that compensates gear ratios according to changes in pedaling pressure and pedaling speed. A drive belt rides upon smooth, cone shaped surfaces at the pedals and rear wheel. Placement of the belt upon the cones is ... | 04/06/1993 |
| 5181888 | Belt driving system A belt driving system having at least one roller for adjusting creep within a plurality of rollers. Creep detecting means provided at one end of the creep adjusting roller is rotated by torque of a flat belt in contact with the creep detecting means. Bias... | 01/26/1993 |
| 5180342 | Device for maintaining belt alignment The inventive device includes a support shaft having a longitudinal axis with a locus that does not change, including when the shaft is positionally rotated about such axis. A collar is mounted on the shaft for supporting an idler pulley having an axis of... | 01/19/1993 |
| 4541263 | Roll mill stand A roll mill stand comprising a main roll mounted in bearings encompassed by pads, and an auxiliary roll with a strip passed between the rolls. The pads and the auxiliary roll are movable on guides provided on the housing. The stand further includes a mech... | 09/17/1985 |
| 4537581 | Cone belt tightening device The present invention relates to a tightening device for cone belts and the like for use in cone belt transmissions, including at least one preferably driven cone belt pulley which is axially or substantially axially displaceable relative to at least one ... | 08/27/1985 |
| 4527686 | System for correcting deflection of belt from its normal path of movement A system for correcting deflection of a belt from its normal path of movement, the belt being trained over a plurality of rollers for movement in a predetermined direction, including optical sensors for sensing a deflection of the belt in one direction, a... | 07/09/1985 |
| 4403454 | Belt sander A stationary or bench mounted belt sander is described constructed of a die cast bed or frame rotatably supporting a drive roll or pulley at one end thereof and provided at the other end portion thereof with generally longitudinal ways for slidably suppor... | 09/13/1983 |
| 4344693 | Belt tracking system An apparatus which controls the lateral alignment of a belt arranged to move in a pre-determined path. A pivotably mounted belt support is frictionally driven to move in unison with the belt. Lateral movement of the belt applies a frictional force on the ... | 08/17/1982 |
| 4344324 | Flat belt tire tester The flat belt tire tester which permits mounting a wheel and tire to be tested about an axis positioned above a flat belt, and has framework and controls for lowering the tire into contact with the belt under desired loads, using desired adjustments for c... | 08/17/1982 |
| 4294044 | Tracking mechanism for a belt type sander An idler drum mounted for rotation on one end of a swinging arm is arranged to engage opposite sides of a sanding belt and to tension it in opposite directions when the arm is swung oppositely to first and second positions; belt tracking mechanism includi... | 10/13/1981 |
| 4098136 | Tension roller in the drive mechanism between a weaving machine and a dobby A belt tensioning device having a roller engaging an endless belt supported on at least a pair of guide disks. The axle of the roller is mounted on an adjustment mechanism for effecting a tilting of the axle to facilitate an orientation thereof to keep th... | 07/04/1978 |
| 4096906 | Casting machine with multi-band positioning device Apparatus for continuously casting molten metal wherein an endless band is used to form a mold by enclosing a portion of the peripheral groove of the casting wheel of a wheel-band type casting machine. The endless band is guided about the periphery of the... | 06/27/1978 |
| 4092914 | Baling machine including means for adjusting alignment of conveyor belts A baling machine for forming large cylindrical bates of cut crop material and including an improved means for adjusting the relative alignment of a plurality of transversely spaced, parallel belts and minimizing wear of the belts. The conveyor belts are s... | 06/06/1978 |
| 4023426 | Belt stabilizing apparatus The present invention relates to a belt stabilizing apparatus for maintaining a belt stable about a pair of rotating drums in response to lateral forces applied thereto. One of the drums is mounted for pivotal movement about an axis perpendicular to the n... | 05/17/1977 |
| 3991814 | Casting machine with multi-band positioning device Apparatus for continuously casting molten metal wherein an endless band is used to form a mold by enclosing a portion of the peripheral groove of the casting wheel of a wheel-band type casting machine. The endless band is guided about the periphery of the... | 11/16/1976 |
