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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7584545 | Floating sheet article thickness detecting device A floating sheet article thickness detecting device for use in a sheet article processing mechanism includes two guiding slots, two glidable guide blocks, an elastic sustaining member and at least one thickness sensing module. The two glidable guide blocks are respe... | 09/08/2009 |
| 7369255 | Apparatus and method for capacitive measurement of materials Method for measuring thicknesses of a film, a foil or a material layer with a measuring head which is spaced away from the film and with which a capacitive thickness measurement is performed, in which an optical distance measurement is performed with a distance meas... | 05/06/2008 |
| 7343689 | Sheet thickness detection device, sheet conveying device, image forming apparatus A low-cost sheet thickness detection device has high sheet follow-up capability, has no influence on the conveyance of a sheet of paper, receives no influence of vibration and the like when mounted in a central position of the sheet in the width direction thereof, a... | 03/18/2008 |
| 7328517 | Method and apparatus for measurement of thickness and warpage of substrates An apparatus comprises one or more pairs of mutually coaxial and opposing linear measuring devices including movable, biased fingers for simultaneously determining the thickness and warpage of a substrate such as a circuit board passing between the movable fingers. ... | 02/12/2008 |
| 7319521 | Measuring device A device for measuring the thickness of a sheet or web product including at least one moveable measuring sensor which can be pressed against the product while forming an air pad between measuring sensor and product. At least one measuring sensor is respectively prov... | 01/15/2008 |
| 7304751 | Apparatus and method for automatically measuring characteristics of a hard disk drive carriage arm An apparatus and method for automatically measuring characteristics of a hard disk drive carriage arm. The method provides a first measuring device for automatically measuring a first side of a carriage arm. A second measuring device for automatically measuring a se... | 12/04/2007 |
| 7228640 | Feeler device for workpieces being machined A feeler device (1) of workpieces being machined, in particular for measurement instruments (2) of workpieces being machined on machine tools, of the type comprising a head (7) including control and measurement members, and a pivoting arm (6 | 06/12/2007 |
| 7194819 | Opposed type fulcrum member of lever detector An opposed type fulcrum member of a lever detector is constituted by a main body part having a U-shaped section and thin-walled parts each formed in opposed positions of two sides of the main body part, and two ends of the U-shaped main body part can rock, with the ... | 03/27/2007 |
| 7146279 | Measuring device A device for measuring at least one property of a material web, in particular a paper or board web, includes movable measuring probes provided on both sides of the web, which can be pressed against the web with preferably at least substantially equal force, forming ... | 12/05/2006 |
| 7131211 | Method and apparatus for measurement of thickness and warpage of substrates An apparatus comprises one or more pairs of mutually coaxial and opposing linear measuring devices including movable, biased fingers for simultaneously determining the thickness and warpage of a substrate such as a circuit board passing between the fingers. Each mea... | 11/07/2006 |
| 7111516 | In-tube ultrasonic device for wall thickness metering What is claimed is an inspection device for in-tube monitoring of main pipelines by the method of ultrasonic wall thickness metering realized in a device traveling inside the pipeline and performing measurements, acquisition of measurement data and their interpretat... | 09/26/2006 |
| 7096743 | Device for measuring the bending strength of flat consignments An apparatus for measuring the flexural rigidity in the longitudinal direction of flat items of mail transported one after another on a conveying path includes a control device, a sensor for detecting the edges of the items of mail and signaling the control device w... | 08/29/2006 |
| 7086169 | Method and apparatus for best fitting two or more items What is provided in one embodiment is a method and apparatus for confirming that one or more items in a universe of items fall within specified tolerances. In another embodiment various methods for determining best fit between items in a universe of items is provide... | 08/08/2006 |
| 7055367 | Calibration of a probe A method of calibrating an analogue probe (10) having a stylus (12) with a workpiece-contacting tip (14) or a non-contact probe (26). A calibration artefact such as a calibration sphere (16) is mounted on a coordinate measuring mac... | 06/06/2006 |
| 7047658 | Apparatus and method to measure the dimensional and form deviation of crankpins at the place of grinding An apparatus and a relevant method for checking a crankpin (18) of a crankshaft (34) positioned on a numerical control grinding machine where it is worked includes a gauging head (39) with a Vee-shaped reference device (20) and a feeler (... | 05/23/2006 |
| 7032320 | Measuring apparatus in a paper machine A measuring apparatus includes at least one sensor which is provided on a measuring frame, which can be positioned opposite moving clothing or a device. The devices being, for example, a roll, of a machine for producing and/or treating a material web, in particular ... | 04/25/2006 |
| 6993850 | Continuous recording of thickness, using a measuring roller with a bath-shaped guide shoe, articulated in parallel (long timber) The invention relates to a measuring device, which allows the thickness of an elongated, panel-type workpiece, lying on a reference plane and traveling along the reference plane, to be continuously recorded. The measuring device is provided with a guide shoe, which ... | 02/07/2006 |
| 6952884 | Apparatus for checking dimensional and geometrical features of pins An apparatus for checking the diameter and the roundness of pins, for example crankpins and main journals of a crankshaft rotating about its main axis of rotation (8), includes a measuring device, coupled to a Vee-shaped reference device (20) and inclu... | 10/11/2005 |
| 6871416 | Eccentricity and wobble sensing device A wobble and eccentricity sensing device is provided for use with a planter blade. The device includes a stand having a shaft adapted to mount the planter blade thereon for rotational movement of the planter blade about the shaft. A wobble indicator is coupled to th... | 03/29/2005 |
| 6865818 | Caliper for measuring the thickness of collated printed products A caliper for measuring the thickness of collated printed products and which has a lever arm which is pressed into engagement with each of a plurality of printed products as they are serially conveyed past a measurement station. The lever arm is actuated by a servo ... | 03/15/2005 |
| 6782631 | Movable platform for use with surface profiling system A movable platform is provided for use with a surface profiling system. The platform eliminates all errors associated with wheel inconsistencies. A frame is supported above a surface by, among other supports, three supports arranged in a linear alignment that define... | 08/31/2004 |
| 6647636 | Method for measuring road surface longitudinal profile A measurement block 10 which moves longitudinally on a road surface includes disk-shaped first, second, and third rollers 11, 12, and 13 having the same outer diameter with a predetermined spacing set therebetween, a first coupling rod 14 which is mounted... | 11/18/2003 |
| 6588118 | Non-contact sheet sensing system and related method A non-contact system for sensing a property of a passing web of material includes first and second sensors positioned on opposite sides of the web. The opposing sensors are repelled from the web and each other by gas bearings formed between the sensors an... | 07/08/2003 |
| 6568096 | Device and method for measuring shape deviations of a cylindrical workpiece and correcting steadying element and correcting follower for use therewith A device and method for measuring deviations in shape of a generally cylindrical workpiece is disclosed. The device enables measurement of a number of shape-defining parameters while the workpiece is positioned in a machine tool, so that the workpiece doe... | 05/27/2003 |
| 6519862 | Device for the acquisition of contoured human body surface vibration signals In accordance with the present invention, a device for acquiring contoured human body surface vibration signals is provided. The device comprises a first component for sensing the displacements of a skin surface as a function of time at multiple points on... | 02/18/2003 |
| 6470583 | Examination of insulation displacement connection A CCD laser displacement gauge is movable in three directions, that is, a vertical direction and two directions perpendicular to each other in a horizontal plane, and this gauge can be moved to a insulation displacement connecting center so as to detect a... | 10/29/2002 |
| 6425188 | Optoelectric apparatus for the dimension and/or shape checking of pieces with complex tridimensional shape An optoelectronic apparatus for the dimension and/or shape checking of pieces, more specifically pieces with complex tridimensional shape, as the supports for magnetic read/write heads (33, 47, 63) for hard disk storage units, comprises a base (1) with tw... | 07/30/2002 |
| 6367159 | Method and apparatus for measuring surface shape of thin element Method for measuring the surface shape of a thin element such as a silicon wafer measures the surface shapes of one surface and the other surface of the thin element by independently measuring the distance each to one surface and to the other surface of t... | 04/09/2002 |
| 6360447 | Empty envelope assurance apparatus and method An empty envelope assurance system is provided. The system includes a conveyor for conveying an opened envelope having a front face and a rear face along a path of movement. The conveyor is arranged such that any contents of the envelope rests against one... | 03/26/2002 |
| 6354013 | Measuring roller for determining flatness deviations A measuring roller for determining flatness deviations when rolling metal strip measures the stress distribution, for example, with the aid of force measuring sensors over the width of the strip, said sensors being arranged in recesses in the measuring ro... | 03/12/2002 |
| 6289599 | Apparatus for measuring the thickness of sliver bundle formed of a plurality of side-by-side running slivers An apparatus for measuring the thickness of a plurality of side-by-side running slivers includes a supporting surface guiding the side-by-side running slivers thereon in a single plane; a holding member; and a plurality of sensor elements movably secured ... | 09/18/2001 |
| 6256897 | Three dimensional cam, method and apparatus for measuring three dimensional cam profile, and valve drive apparatus An engine valve drive apparatus. A camshaft rotatably supported by the engine includes a cam for selectively opening and closing a valve. The cam has a cam surface for driving the valve. The cam surface has a profile that varies continuously in the direct... | 07/10/2001 |
| 6229297 | Device for determining the position of an object relative to a surface A position sensing device is disclosed wherein the positioning sensing device may determine the velocity and position of an object relative to a surface as the object is moved relative to the surface. The positioning sensing device may comprise two depth ... | 05/08/2001 |
| 6199289 | Device for measuring the thickness and/or unevenness of wadding or non-wovens The invention concerns a device for measuring the thickness and or unevenness of wadding or non-wovens. The device has a guide element (30) for the wadding or non-wovens and a thickness sensor (26, 27, 28) which presses the wadding or non-wovens against t... | 03/13/2001 |
| 6178657 | Apparatus and method for measuring the relative differential length in a sheet of material An apparatus for measuring the relative differential length of a sample of a web or sheet material. The apparatus includes a substantially flat surface adapted to support the sample. Air is removed between the sample and the substantially flat surface to ... | 01/30/2001 |
| 6145211 | Contacting thickness gauge for moving sheet material A caliper gauge for moving sheet material such as paper which measures the thickness of the paper accommodates bumps or holes in the paper by providing at least one side of the caliper gauge with a long continuous smooth arm which because of its mounting ... | 11/14/2000 |
| 6141883 | Apparatus for detecting the thickness of documents A thickness detector is provided for detecting the thickness of envelopes containing documents. The thickness detector detects the thickness of the envelopes at a plurality of points along the length of the envelopes as the envelopes are conveyed along a ... | 11/07/2000 |
| 6119313 | Apparatus for the manufacture or finishing of fiber band In regard an apparatus for the manufacture or finishing treatment of a fiber band (31), such as, for instance, a drawing frame or a carding process, the fiber band (31) is conducted between two feeler rolls (6, 6'). The feeler rolls (6, 6') are adjustable... | 09/19/2000 |
| 6058770 | Machine for measuring sizes of particles and for determining color differences in a substance A machine is described for performing a draw-down operation in which a carriage for supporting a scraper is mounted on the base so as to travel along it, an electric motor is coupled to the carriage for moving it and a scraper is pivotally mounted on said... | 05/09/2000 |
| 6029502 | Positioning system with pressure measurement in the layer of air between the measuring head and the material being measured The object of positioning a measurement probe (5) very close to but not in contact with moving measured material (9) is solved in accordance with the invention in that air is blown through a nozzle in the measurement probe between the probe and the materi... | 02/29/2000 |
