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Class 33/813 - Micrometer


Subclass of Class 33 - Geometrical instruments
Definition: Subject matter including threaded elements for advancing
No. of patents: 41
Last issue date: 12/23/2008


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NumberTitleIssue Date
7467480Digital displacement measuring instrument
A rotation transmitter (44) includes a rotor support member (440) provided on an outer circumference of a spindle (2), a rotary piece (45) provided with an engaging portion (46) that is adapted to be engaged with an engaging groove...
12/23/2008
7321231Measurement instrument
A measuring instrument has a phase signal transmitter that transmits, in accordance with a rotation of the spindle, a phase signal that differs corresponding to the rotation angle of the spindle, and an arithmetic processor that arithmetically processes the phase si...
01/22/2008
7266906Measuring tool
A measuring tool has a slider (3) supported to a body frame (1) and a feeding mechanism (4) for moving the slider in axial direction. The feeding mechanism includes: an outer roller (41) rotatably supported to the body frame (1); a...
09/11/2007
7111413Precision distance-measuring instrument
A distance measuring instrument has a measuring axis; a measuring spindle disposed rotatably and shiftably in a housing such that a rotary motion of the measuring spindle results in a corresponding shift of the measuring spindle along the measuring axis; a stationar...
09/26/2006
7043852Measuring instrument
A measuring instrument that includes a tube 21 having a female thread 211 and a spindle 3 having a lead screw 31 screwing with the female thread 211 and capable of being advanced and retracted in an axial direction along with rotat...
05/16/2006
7020979Digital displacement measuring instrument
A stator (42) is hooked in a frame body (10) away with a prespecified space from a spindle (2), so that it is not necessary to fix the stator with a screw. The stator (42), therefore, can easily be mounted, and further as it is not necess...
04/04/2006
7013576Measuring device using multi-start threaded spindle
Provided is a measuring device 1 for measuring the size of an object comprising a body 2, and a spindle 3 which is screwed into the body 2 and axially advances and retracts by screwing with respect to the body 2, the measurement be...
03/21/2006
6939036Temperature-expansion indicator for siding panels
A temperature indicator for a siding panel senses panel temperature and indicates on a graphic scale the corresponding effect of thermal expansion over differences in temperature. The temperature indicator can be various forms of contact thermometer, temperature str...
09/06/2005
6802214Envelope quality control apparatus
A unit for evaluating various properties of a paper envelope. The unit is capable of examining an envelope and determining key features of the envelope, such as the amount of front seal adhesive present, the tear strength of the side seams and the presence of proper...
10/12/2004
6553685Measuring instruments
A measuring instrument includes a spindle (11) provided to a body (1), a sleeve (31) movable in the same direction as the spindle and stoppable at a desired position, a connector (41) for connecting the sleeve and the spindle and allowing relative movemen...
04/29/2003
6519867Measuring device
A micrometer comprising a thimble made, at least in part, of a translucent material, a vernier scale on an inner circumference of the thimble along the circumferential direction and a vernier numeral on an outer circumference of the thimble along the circ...
02/18/2003
6505414Comparator
A comparator (1) has: a frame (2); a spindle and an anvil (4) supported by the frame (2) to be advanceable and retractable in the axial direction thereof; a biaser (39) for biasing the anvil (4) toward the spindle; a release (6) for retracting the anvil r...
01/14/2003
6354014Micrometer
A micrometer (1) includes an anvil (3) and a spindle (4) having a flat plate-like distal end. The anvil (3) includes a small-diameter pin (3C) of a predetermined length formed on a distal end portion of a rod-like anvil body (3A), and a detection portion ...
03/12/2002
6286227Micrometer system and process of use therefor
A micrometer system includes a motorized drive for repeatedly advancing and retracting the micrometer barrel, and a touch sensor for sensing when the barrel tip has just touched the target surface. The drive is preferably mounted on the micrometer body. B...
09/11/2001
6276066Positioning device
A positioning device is provided with a spindle and a spindle nut cooperating therewith for the conversion of a rotary motion into a linear motion for a coarse adjustment, and a piezoelectric linear positioning element arranged in series with the spindle ...
08/21/2001
6260286Micrometer
A micrometer includes: a main body having an anvil at one end thereof, a spindle having a screwed portion engaging an opposite end of the main body and being displaceable in an axial direction and with respect to the anvil in conjunction with rotation of ...
07/17/2001
6219927Manual adjuster for prestressing a differential gear and method of making a differential gear using same
A differential gear housing includes grooves into which retaining rings are fitted which engage on races of tapered roller bearings. The width of the securing rings is determined in accordance with the desired tooth flank clearance between a ring gear and...
04/24/2001
6176021Micrometer
A micrometer includes a main body holding an anvil at one end portion and a spindle at the other end portion through an inner sleeve is formed with a frame which is made by placing a pair of frame elements, which are formed by bending metal plates, one up...
01/23/2001
6119360Electrode angular measuring device
A device that is both square and multi-sided in configuration. At equally spaced intervals a variety of hole sizes (A,B,C,D) are drilled through the base (8). The base (8) is coupled to a L-shaped ratchet mechanism (6). The ratchet mechanism (6) rotates i...
09/19/2000
6115934Micrometer, method for manufacturing cylindrical component for micrometer
A thimble 61 formed with graduations 65 and numerals 67 on the outer circumference thereof at predetermined intervals is molded by double-color molding using two kinds of resin 62, 63 with different colors. After a molding product having the graduations 6...
09/12/2000
5829155Micrometer
A main scale graduation, an auxiliary scale graduation or the like provided in a conventional micrometer is omitted, and a thimble 71 is provided at a regular position in the axial direction of the spindle 61 through a sleeve 51 in a frame 1 to rotate abo...
11/03/1998
5463818Wide-width micrometer and method of using the same
A device for measuring a dimension of an object includes a platform with a contact surface and a measuring device. An object to be measured is placed on the platform between the contact surface and the measuring device and held flat by a clamping wedge. I...
11/07/1995
5421101Dedicated crimp measuring gauge
The measurement tool of the present invention includes a movable spindle and an anvil between which the object to be measured is placed. The anvil is formed to have opposing sloping edges leading to an anvil measurement apex, and the spindle is formed to ...
06/06/1995
5414646Digital optical micrometer
A digital optical micrometer for mounting on an optical instrument and having an optical flat plano-parallel window which is connected to a micrometer drum. The drum can pivot or incline the optical plano-parallel window to cause displacement of a line of...
05/09/1995
5299609Precision adjustable router fence
A positioning device is disclosed that positions and guides a nominally hand-held router or other machine tool for machining with respect to a workpiece that is used as a reference. A novel configuration is employed in which a main body holds a centrally ...
04/05/1994
5052121Temperature-compensated quantitative dimensional measurement device with rapid temperature sensing and compensation
A computerized gauge measures dimensions, typically in the range of 6.1865" to 6.1917" accurate to &#b1;0.001", typically the diameter of a steel railroad car axle. The gauge simultaneously senses the temperature, typically within a range of -20° F. to 1...
10/01/1991
4986323Adjustable stop apparatus
Apparatus, having a principal body portion which is in the form of a box-like configuration, and a screw member threadably engaged into a port in the face of the body portion. The screw member includes a four flat sided body portion on its end, with a por...
01/22/1991
4979312Arch wire torque measuring device
A method and device for measuring torque in a rectangular or square orthodontic arch wire wherein the orthodontic arch wire is held relative to the torque indicator scale in such a manner that the presence and amount of torque in the orthodontic arch wire...
12/25/1990
4922307Method and apparatus for improving the measuring accuracy of a micrometer
This invention provides apparatus and method to increase the direct measurement accuracy of a rotary encoder type of micrometer 10. To overcome a maximum measurement accuracy of 100 microinches there is provided a laser displacement meter which includes a...
05/01/1990
4821421Micrometer for measuring outer dimensions inner dimensions of a cavity or depth of a cavity
The apparatus according to the invention essentially comprises a pistol-shaped body provided with a trigger connected to a mobile carriage carrying a piston. A measuring piece may be adapted to a fixing head provided with a surface plate constituting a re...
04/18/1989
4532711Micrometer head
A micrometer head adapted to be mounted to a measuring instrument or the like and used for measuring and precision feeding includes an adjusting ring (23) spaced a predetermined distance apart from a thimble (6). This adjusting ring (23) is connected to a...
08/06/1985
4496865Methods and apparatus for translating electric motor rotation into linear travel
Methods of operating, and apparatus including, a rotary electric motor to translate rotation of the motor into linear travel with the aid of a linearly traveling device. This linearly traveling device is restrained against rotation at points peripherally ...
01/29/1985
4485556Micrometer gauge
A spindle driving mechanism includes a spiral groove having a comparatively large pitch for transferring a spindle and an engageable portion to be engaged with this spiral groove. The spindle is provided with a rotation preventing device, and an indicator...
12/04/1984
4426786Centering tool
A support is provided defining abutment surface portions from which one end portion of a dop stick may be supported in position paralleling and at least substantially coinciding with a predetermined axis against lateral displacement in any direction and f...
01/24/1984
4419824Digital electrical length measuring instrument
A digital, bow-type measuring instrument is disclosed which provides rapid adjustment of the position of a measuring bolt with respect to an anvil over the entire measuring range. The instrument is used by rapidly translating the bolt into position such t...
12/13/1983
4403418Device to determine and record small dimensions
A threaded extension between two members forming a support housing for writing means is provided with indicia for measuring the dimension of an object. Collar sections at opposite sides of the threaded extension are used to engage with the object placed b...
09/13/1983
4335516Power driven micrometer
A power driven micrometer for engaging a workpiece surface has a rotatable screw and a motor for rotatingly driving the screw. The screw and motor are secured together for longitudinal travel as a unit, the screw being threadedly engaged and supported by ...
06/22/1982
4253599Pipe welding clamp including pipe end spacing means
Pipe welding clamp including pipe end spacing means, for holding pipes disposed end to end for welding, and for spacing the pipe ends apart by a small distance during welding. Two clamp assemblies are provided, one for each pipe end, the clamp assemblies ...
03/03/1981
4193199Shaft position transducer
A shaft position transducer constructed and defined with a pair of rotary scales for measuring increments of rotation in the English or metric systems. The rotary scale movements are sensed by means of solid state light sensing packages for producing outp...
03/18/1980
4174575Measuring instrument
A measuring instrument with two feeds for its spindle. A first sleeve is keyed to a second sleeve so the sleeves can move axially relative to each other but cannot rotate relative to each other. A spindle is threaded into the second sleeve and moves axial...
11/20/1979
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