Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7048448 | Precision ferrule connector assembly A ferrule connector assembly includes a housing having a bore therethrough. The housing has a first end adapted to receive a sleeve assembly having a split sleeve and core member disposed in the split sleeve. A second end of the housing receives a ferrule containing... | 05/23/2006 |
| 6334229 | Apparatus for cleaning edges of contaminated substrates An apparatus for cleaning edges of substrates is described. The present invention provides a cleaning mechanism that cleans particles off the edge of the wafer based on friction and/or a difference in tangential velocity at a point of contact between the ... | 01/01/2002 |
| 6132297 | Conveying system for conveying substantially cylindrical objects such as nuclear fuel pellets For conveying in single file and in a lying position substantially cylindrical objects such as nuclear fuel pellets (P) in a substantially horizontal, non-linear path, a conveying system (20) is proposed, which comprises an endless belt (26) running over ... | 10/17/2000 |
| 5921850 | Apparatus for loading a workpiece into a through-feed mechanism A loading apparatus (14) loads a workpiece (16) into a through-feed mechanism (20, 22, 24) which advances the workpiece (16) through a processing device (12) at an advancement speed. The loading apparatus (14) includes a roller assembly (30, 32) which gri... | 07/13/1999 |
| 5718030 | Method of dry abrasive delabeling of plastic and glass bottles A dry abrasive delabeling apparatus for both plastic and glass bottles, sometimes called a label stripper, in which the bottles are fed by an in-feed starwheel to a circular starwheel which rotates the bottles slowly. Within the starwheel are wire bristle... | 02/17/1998 |
| 5667432 | Grinding machine The part (1) to be machined, which exhibits an axis of revolution (aa') is secured in a rotatable spindle (11) forming part of a headstock (10) movable in translation on the framework of the grinding machine according to a longitudinal axis (X) parallel t... | 09/16/1997 |
| 5658187 | Apparatus for in-line surface finishing cylindrical stock such as stainless steel tubing, and method A surface finishing apparatus for in-line outer surface finishing of elongate cylindrical stock. The stock, such as tubing, is fed through the finishing apparatus from an infeed to an outfeed position and rotated about its longitudinal axis. The outer sur... | 08/19/1997 |
| 5643049 | Floating contact gage for measuring cylindrical workpieces exiting a grinder A gage for a thrufeed centerless grinder for post process gaging of a work piece in which the gage is mounted for movement so as to track along a moving work piece as it is moved along a path of travel from the grinder. The gage is movable in two directio... | 07/01/1997 |
| 5613899 | Centerless ceramic ferrule grinder The novel ferrule grinding machine of the present invention has a wire support assembly having a wire that stretches the length of the wire support on which ferrules are strung. The wire rests in a novel guide that aids in producing ferrules within tolera... | 03/25/1997 |
| 5567195 | Method and apparatus for grinding bars A method and apparatus for initially taking an individual bar from a supply of bars and placing it on an entry conveyor while preventing movement of the remaining bars. Other mechanisms are provided for adjusting the entry conveyor to accommodate the diam... | 10/22/1996 |
| 5518438 | Apparatus and method for grinding needle workpieces An apparatus for grinding tapered points on needles is disclosed. The apparatus has a frame and a transport associated with the frame for transporting a plurality of needles. The transport has a predetermined curvature and a feeder is mounted adjacent the... | 05/21/1996 |
| 5388374 | Apparatus and method for grinding points Point-grinding apparatus comprising frame means, workpiece transport means operably mounted on the frame means for transporting a plurality of elongated workpieces therealong, workpiece support means disposed adjacent the transport means for supporting th... | 02/14/1995 |
| 5123213 | Two stage centerless grinders A two stage centerless grinder for shaping work pieces wherein each stage comprises a grinding wheel and associated regulating wheel with work supporting means therebetween and a venturi means for feeding the work pieces to the first stage for a first ini... | 06/23/1992 |
| 5022194 | Method and apparatus for finishing elastic O-ring gaskets A method and apparatus for finishing an endless length of feed stock to form a uniform circular cross-section. A dished surface, set back from and into the surface of the regulator wheel, causes the stock to rotate about its longitudinal axis as it is adv... | 06/11/1991 |
| 5016397 | Method and apparatus for removing wrappers from coin rolls An apparatus for removing wrappers from coin rolls comprises a cascade type vibrating feeder bowl for aligning wrapped coin rolls and feeding them serially to the upper end of a coin roll chute that slopes downwardly to a lower end. A pair of contra-rotat... | 05/21/1991 |
| 4930260 | Centerless grinding apparatus of through-feed type In a centerless grinding apparatus, a first and a second guide plates are disposed on the side of a grinding wheel, as well as a third and a fourth guide plates are disposed on the side of a regulating feed wheel in parallel relation to the first and seco... | 06/05/1990 |
| 4841682 | Process and device for producing turned parts from rods or bars In order to fabricate turned parts (18) out of a steel rod or bar (13) solely by grinding, the latter is chucked in oppositely disposed collets (14, 16) and is ground by two profiled grinding discs (20, 20') which act on it either sequentially or simultan... | 06/27/1989 |
| 4665657 | Centerless flexible external honing apparatus A centerless external honing and/or grinding apparatus wherein abrasive material is flexibly mounted around a longitudinal workpiece-receiving recess for flexibly honing and/or grinding the exterior curved surface of a workpiece while it is fed longitudin... | 05/19/1987 |
| 4580370 | Centerless and center-type grinding systems A centerless grinding system comprises a driven grinding wheel, a driven regulating wheel, and a work rest blade for centerless grinding of a workpiece supported by the work rest blade between the grinding wheel and the regulating wheel; means for determi... | 04/08/1986 |
| 4558537 | Centerless honing machines having automatic size control Centerless honing machines are described for honing external cylindrical surfaces on a series of workpieces. Each machine comprises a pair of spaced adjacent rotary rollers for supporting and rotating workpieces while also causing them to travel axially a... | 12/17/1985 |
| 4501091 | Apparatus for preparing an optical workpiece A drum is mounted to rotate about its drum axis. A pair of elongated, complementary guides are proximate to and extend along the axial length of the drum. The guides are sized and spaced to allow a workpiece to span the guides and roll upon them. A driver... | 02/26/1985 |
| 4292765 | Machine for abrading outside diameters and the method of making same An improved machine and method for grinding outside diameters. A plurality of workpieces are fed via workpiece guides into aligning contact with a rotational abrading wheel and a plurality of corresponding workpiece supports. The workpiece supports are ro... | 10/06/1981 |
| 4275527 | Centerless grinding machine A centerless grinding machine which comprises a grinding wheel, a regulating wheel, a blade and an inprocess gaging device and in which said gaging device includes a pair of feelers each having a contact adapted to contact each one of the wheels and the b... | 06/30/1981 |
| 4192102 | Centerless plunge grinding machine with progressive angle development A centerless grinder is adapted to have a regulating wheel feed radially towards a grinding wheel about a pivot point to accomplish an infeed grind operation on a plurality of parts between the wheels. The parts are infeed ground at a plurality of station... | 03/11/1980 |
| 4178719 | Centerless grinding machine A centerless grinder for shaping bars during a through-feed grinding operation. A special centerless grinder is adapted to receive a workpiece at an inlet end between the regulating and grinding wheels and to discharge the workpiece at an exit end between... | 12/18/1979 |
| 4167081 | Centerless grinder A centerless grinder having a feed mechanism for introducing members at a uniform rate into the grinder. The feed mechanism comprises an escapement mechanism for diverting a member such as a pellet from a stream and into the grinder along with a feed whee... | 09/11/1979 |
| 4114749 | Roll conveyor for a machine tool Apparatus for conducting a cylindrical work element towards and away from a machine tool such as a centerless grinder capable of imparting a spiral motion to the work element, the apparatus including a roll conveyor having positionable rolls that are adju... | 09/19/1978 |
| 4107880 | Floating buffing wheel assembly A floating buffing wheel assembly including a conveyor for rotating a workpiece and simultaneously axially moving the workpiece past a buffing wheel which is supported on one end of a support arm and counterbalanced by a drive motor on the other end of th... | 08/22/1978 |
| 4107881 | Centerless grinding machine A centerless grinder is adapted to have a regulating wheel feed towards a grinding wheel about a pivot point to accomplish an infeed grind operation on a plurality of parts between the wheels. The parts are infeed ground at a plurality of stations from an... | 08/22/1978 |
| 4063906 | Method for grinding elongated cylindrical workpieces which are advanced during the grinding operation while being rotated about the longitudinal axis thereof Method of grinding elongated, cylindrical workpieces in continuous operat in a grinding machine wherein the workpieces are advanced while they are rotated about their longitudinal axes includes exerting an oscillating grinding pressure transversely to th... | 12/20/1977 |
| 4018011 | Centerless grinder work support and booty roller therefor A work support for a centerless grinder or the like comprises an elongated floor-supported guide tube adapted to extend along beneath a work piece to be machined in the grinder with a plurality of V-shaped supports arranged on the guide tube in spaced rel... | 04/19/1977 |
| 4004568 | Method and apparatus for dressing regulating wheels for centerless grinders Method and apparatus for automatically dressing a regulating wheel to the required curvature for a centerless grinding operation. A dressing wheel is mounted for rotation about an axis which is inclined to a reference axis. The regulating wheel is mounted... | 01/25/1977 |
| 3970204 | Skewed roller conveyor The invention is concerned with an improved skewed roller conveyor for transporting cylindrical work pieces along a longitudinal axis thereof at a controlled speed. A plurality of cylindrically surfaced driving rollers which are driven by a single shaft a... | 07/20/1976 |
