Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7228643 | Method of gaging on gear lapping and testing machines A system to replace or augment the common manual cone-gage method with a method that is highly automated on a CNC machine. Two cone-gage fixtures are employed, getting clamped into the gear and pinion workholding fixtures, respectively. But instead of mechanical con... | 06/12/2007 |
| 7137869 | Manufacturing cell for the treatment of grinding and wheel set testing and procedures for the operation of the manufacturing cell A manufacturing cell for the treatment of grinding of gear wheel flanks, in particular by bevel pinions, and suggested for the wheel set testing, which includes a grinding machine (1), an unreeling test equipment (2), a laser inscription unit (3... | 11/21/2006 |
| 7020972 | Process and device for the aligning of workpiece with pre-cut teeth on gear finishing machines The invention concerns a process for the aligning of the tooth spaces of workpieces (1) with precut teeth, which are set up for fine machining on the work spindle (2) of a gear finishing machine. In order to avoid the trend related occurrence of out-of... | 04/04/2006 |
| 6293025 | Method for verifying and measuring double-toothing sprocket wheels and device for carrying out the method Method and device for verifying and measuring a double-toothing sprocket wheel (14) to identify the respective positions of the teeth (24) of the two toothed rings (27a, 27b) thereof, in which method use is made of a pair of contacting elements, a first l... | 09/25/2001 |
| 5727326 | Pivotable two-coordinate scanning head with horizontal main axis The scanning head according to the invention has the horizontal main axis (1) and is provided for numerically controlled gear measuring devices. Its feeler (2) is guided by a linear slide (4) and the latter is guided by a leaf spring parallelogram (11, 12... | 03/17/1998 |
| 5505003 | Generative measuring system A monitoring system having a stylus mounted to a support that controllably moves the stylus along a travel path as it contacts an object of interest. The object is supported by a rotating turntable and held in place by a manually actuatable retainer that ... | 04/09/1996 |
| 5461797 | Object measuring system A monitoring system having a stylus mounted to a support that controllably moves the stylus along a travel path as it contacts an object of interest. The object is supported by a rotating turntable and held in place by a retainer that exerts a repeatable ... | 10/31/1995 |
| 5396711 | Method of and apparatus for measuring tooth thickness of gear A method of measuring tooth thickness in which the tooth thickness of gear is determined by bringing a pair of measuring legs having an opposing measuring part of ridge line shape close to each other in the direction perpendicular to the axis of gear bein... | 03/14/1995 |
| 5343626 | Method for measuring gears and system for machining and measuring gears A gauge head is attached to the grindstone holder of an NC gear grinding machine, and the tooth profile, tooth trace, gear pitch, etc. of a ground gear are measured on the NC gear grinding machine by actuating the control functions of various parts provid... | 09/06/1994 |
| 5292212 | Apparatus for positioning a gear blank An apparatus for positioning a gear blank on a workpiece spindle of a gear generating machine. An indicating element orientates cutter blades of a milling cutter of a gear generating machine relative to a gear blank and rough cut teeth of the gear blank.... | 03/08/1994 |
| 5133134 | Apparatus and method for on site testing of involute axle gear parameters The apparatus for measuring the parameters of an axle gear includes an attachment mechanism for providing a surface parallel to the gear axis and positioned at a distance equal to the base circle radius from the gear axis. A displacement measuring device ... | 07/28/1992 |
| 5052117 | Apparatus for measuring gear A gear measuring apparatus comprises detecting device for outputting detection signals, an X-direction linear travel system for making the detecting device travel linearly in an X direction perpendicular to a radial line and rotation device for rotating t... | 10/01/1991 |
| 4976044 | Scanner head for a tooth-flank scanning device A scanner head for a tooth-flank scanning device for testing and measuring of gears and similar parts, in particular of gearlike tools having abrasive tooth flanks, is adapted to be introduced into a tooth space of the respective gear or similar part and ... | 12/11/1990 |
| 4962590 | Apparatus and method for testing parameters of involute gears and pinions Apparatus for measuring departures from specified parameters for involute type gears and pinions is described. Wheels having a radius of the gear base circle are coupled to the axis of the gears. The base circle radius wheels travel along parallel tracks ... | 10/16/1990 |
| 4811490 | Method and device for measuring clearances between gears A method and device for measuring clearance between gears of an internal gear having an inner gear and an outer gear. With the inner gear fixed, the outer gear is set around the inner gear and brought into abutment with the inner gear at one side. The out... | 03/14/1989 |
| 4646566 | Apparatus for testing gear wheel tooth flank profile and tooth flank lines (toot angle) and a method for positioning this apparatus for the measurement apparatus A transportable apparatus for testing the tooth flank profile and tooth flank lines (tooth angle) of gear wheels, in particular gear wheels of large diameter. With this apparatus, prior to the measuring operation, the positioning of the apparatus at the g... | 03/03/1987 |
| 4520700 | Tailstock for rotatably mounting a workpiece in precision machinery A tailstock for rotatably supporting a workpiece on a machine bed. The tailstock includes a vertical column fixed at the machine bed which has first and second regions. The second region of the column is coaxial with the first region and pivotally mounted... | 06/04/1985 |
| 4170830 | Feeler for measuring lengths A feeler for measuring lengths operable in a controlled measuring direction provided as an additional device for two-coordinates measuring heads. The feeler includes a feeler lever which has one end designed as a circular feeler tip for feeling engagement... | 10/16/1979 |
| 4128945 | Easily attachable and detachable gauge for re-locating tested bevel gears on a gear-cutting machine A neutralizable permanent-magnet base is shaped to engage the usual housing for the gear-supporting mandrel of known types of gear cutters. A U-shaped yoke fixed to the top of the base supports a pivot block on a transverse horizontal axis. The pivot bloc... | 12/12/1978 |
| 4062125 | Apparatus for testing the tooth flanks of involute gearing Gear tooth testing apparatus with a rotary test gear mounting has a mechanism for controlling the relative movements of a test probe and of the gear under test, the motions being interconnected by a lever pivotable about the gear mounting axis. The lever ... | 12/13/1977 |
| 4001943 | Variable involute disc gauge An involute disc gauge which is capable of verifying that a variable involute gear checking apparatus is functioning properly is described. The gauge consists of a support block, which is mounted for rotation and an adjustable bar which is slideable in th... | 01/11/1977 |
| 3979834 | Device for measuring the pitch diameter of gears A device for use in measuring the pitch diameter of gears has first and second pin-holding units movable along a straight, inclined pathway with means to lock one unit thereto against movement in a predetermined position relative to a gauge. Each pin exte... | 09/14/1976 |
| 3943633 | Probe for a gear tester A feeler device has a feeler element pivoted on a carrier for measurement of relative movements between the element and carrier. The element can be located in alternative end positions from which the relative movements take place. The end position is sele... | 03/16/1976 |
| 3936946 | Gear tester for pitch measuring A gear testing apparatus has a probe or feeler biassed into engagement with a gear tooth flank for measurement of the flank. To lift the feeler from the tooth flank and/or to displace it to a further setting in which it can be used to measure an oppositel... | 02/10/1976 |
