Abstract: A kit is provided, including a body for mounting to the bending bar of a sheet bending brake having a first mounting assembly for mounting to the bending bar and a first predetermined portion of a second mounting assembly for mounting a gauge plate; a gauge plate having a second predetermined portion of the second mounting assembly and an upper surface against which sheet material being bent within the sheet bending brake will be supported; and a stop dimensioned to slide along the gauge plate and including a third mounting assembly to reversibly lock the stop to the gauge plate.

Abstract: A method for manufacturing an end effector assembly is provided. The method includes grasping a gap-setting gauge between first and second jaw members moveable relative to one another about a pivot between a first, spaced-apart position and a second position proximate tissue and setting the first and second jaw members such that in the approximated position the jaw members cooperate to define a gap distance between the jaw members equivalent to the thickness of the gap-setting gauge such that when positioning tissue between the jaw members full approximation of the jaws is limited to the gap distance.

Abstract: A machine tool includes a spindle side position measuring unit measuring a spindle axial position in a spindle radial direction relative to a first reference position and a tool side position measuring unit measuring the position of a tool post relative to a second reference position. The spindle side position measuring unit includes a first scale extending in the spindle radial direction and a first readout unit, one of a base end portion of the first scale and the first readout unit is disposed at a spindle axis and the other of the base end portion of the first scale and the first readout unit is disposed at the first reference position. One of a base end portion of a second scale and a second readout unit is disposed on the tool post and the other is disposed at the second reference position.

Abstract: A method and system for determining the position of a hand-held power tool on a wall including measuring distances within a plane perpendicular to a tooling axis in at least two directions, comprising at least the direction to one side wall and the direction to the floor or the ceiling. At least one non-contact measurement sensor module measures distances in a multitude of angles in an angular range of at least 1° around the at least two directions. From the distance sequence measured by the at least one measurement sensor module a calculation and storing unit automatically calculates a function, wherein extrema represent shortest distances to walls, floor and/or ceiling adjacent to the wall. From said function the calculation and storing unit deduces the shortest distances, and output means provide information about the shortest distances so as to allow positioning relative to the shortest distances.

Abstract: An alignment tool determines the parallelism between the anvil face of an anvil of an ultrasonic welder and the horn faces of a replacement horn mounted on the welder by a rotary mount. The tool includes a tool base having a face plate contacting with the anvil face and a clamp for clamping the tool base on the anvil. A plate member is mounted on the tool base for swiveling movement and contacts the horn faces. Springs urge the plate member into contact with the horn faces while the replacement horn is rotated relative to the anvil. Transducers sense the relative positions between the face plate and the plate member so that the repairman can determine that the replacement horn has been rotated to the desired position in which the horn face has become parallel with the anvil face. Then the replacement horn can then be tightened against further rotation.

Abstract: The detection method is performed by a characteristic tool (1) constituting the detection device, incorporating a lateral tab (10) and a front end edge (11), so that when the tool is applied to determine whether a banded sleeve has migrated, it happens that if the same is located correctly, such side tab (10) is supported by its front seat (12) on a centered portion (13) of the free edge of the respective lug (4) of the hardware (5). In contrast, when the banded sleeve (2) has migrated axially moving from its location, in this case of anomaly, the front end edge (11) of the tool (1) will contact with the projection of the banded sleeve (2) instead of contacting the side tab (10) on the central portion (13).

Abstract: The detection method is performed by a characteristic tool (1) constituting the detection device, incorporating a lateral tab (10) and a front end edge (11), so that when the tool is applied to determine whether a banded sleeve has migrated, it happens that if the same is located correctly, such side tab (10) is supported by its front seat (12) on a centered portion (13) of the free edge of the respective lug (4) of the hardware (5). In contrast, when the banded sleeve (2) has migrated axially moving from its location, in this case of anomaly, the front end edge (11) of the tool (1) will contact with the projection of the banded sleeve (2) instead of contacting the side tab (10) on the central portion (13).

Abstract: The invention concerns a method and device for adjusting the fitting depth of a tool in a tool-holder, in particular in a tool-holder to be banded. The method is characterized in that it consists in performing a prior calibration of a sensing assembly (2) by positioning a sensing slide (4) of said assembly (2) into a bore (V) of a calibrating support (1) and by re-setting a viewing means of said sensing assembly (2), then in positioning the sensing assembly above a tool-holder and moving the adjustable stop of said tool-holder towards the sensing slide (4), so as to determine a travel thereof corresponding to the required fitting depth. The invention is applicable in the field of the environment of machine-tools, more particularly comprising tool-holders to be banded.

Abstract: A gauge device for use with a staple gun serves to align the staple gun relative to building siding to dispense a two prong staple from a head of the staple gun into one of a plurality of fastener apertures in siding members of the building siding. The gauge device comprises a pair of flanges arranged to depend from laterally opposed sides of the head of the staple gun at a location such that abutment of one of the flanges below a lock edge channel of a siding member locates one prong of the two prong staple to be in alignment with one of the fastener apertures and locates the other prong of the two prong staple above the top free edge of a nailing flange of the siding member.

Abstract: A compensating unit for a tool unit for inserting an element into a workpiece, in particular a setting unit for inserting a joining element into a workpiece. The tool unit is fastened to a mounting and being mounted, oriented in an axial direction, in such a way that, during the machining operation, a compensating movement in a plane oriented at least approximately perpendicular to the axial direction is made possible.

Abstract: A digital measurement system is provided for an apparatus including first and second parts that are positionally adjustable relative to one another, the first part having a base surface and the second part being selectively adjustable toward and away from the base surface. The measurement system includes an elongate reference element mounted for longitudinal movement on the first part such that a first end of the reference element is positionable to be substantially even with the base surface of the first part. A digital reader head is attachable to the second part. The reader head is operable is operably engaged with and moveable along the reference element for measuring relative movement of the reader head along the reference element. The readout further includes a digital display for indicating a measurement corresponding to the relative movement of the reader head along the reference element.

Abstract: A clamping device for a machine tool for processing workpieces, comprises a clamping body having at least one clamping face for clamping an object to be clamped, in particular a tool or a workpiece, and a sensor arrangement for measurement of a planar setting of a face of the object to be clamped on at the least one clamping face or a possible gap between the face of the object to be clamped and the at least one clamping face. In the case of the clamping device for the machine tool there is a provision such that the sensor arrangement has at one planar setting sensor for the detection of a distance between the at least one planar setting sensor and a portion of the object clamped in the clamping device, projecting laterally in front of the at least one clamping face, and that the at least one planar setting sensor is arranged on a portion, which is set back in relation to the at least one clamping face, of the clamping body.

Abstract: To provide a parallel ruler device with which it is easy to obtain a plate material of a constant width having parallel sides. Also, to make it possible to easily carry out a precision adjustment of an amount of parallel movement of a ruler face by means of a visual observation. Also, to enable a precision adjustment of a desired dimension in both a positive direction and a negative direction with a position fixed once as a base point.

Abstract: An adjustable setsquare for a power tool guide rail is described. The setsquare comprises an attachment member, in the form of a bar, for locating into a channel on the guide rail. The cross section of the attachment means is generally V-shaped and arranged such that the setsquare can be removed and reattached to the guide rail with consistency, whereby the angular displacement between a reference surface of the setsquare and the intended line of cut to be made by a power tool disposed on the guide rail remains constant after each reattachment of the setsquare.

Abstract: A workpiece grasper and a workpiece transfer apparatus shorten the time that a processing facility must be stopped. A workpiece is transferred along a production line and processed in three or more processing facilities. A workpiece grasper grasps and places the workpiece to be transferred between the processing facilities. The workpiece grasper includes a rotation mechanism and two hands capable of grasping and placing the workpiece. The rotation mechanism rotates the two hands above a line along a transfer direction of the workpiece. The rotation mechanism changes the hands for grasping the workpiece from a processing facility and changes the hands for placing the grasped workpiece on a processing facility.

Abstract: A clamping device for a machine tool for processing workpieces, comprises a clamping body having at least one clamping face for clamping an object to be clamped, in particular a tool or a workpiece, and a sensor arrangement for measurement of a planar setting of a face of the object to be clamped on at the least one clamping face or a possible gap between the face of the object to be clamped and the at least one clamping face. In the case of the clamping device for the machine tool there is a provision such that the sensor arrangement has at one planar setting sensor for the detection of a distance between the at least one planar setting sensor and a portion of the object clamped in the clamping device, projecting laterally in front of the at least one clamping face, and that the at least one planar setting sensor is arranged on a portion, which is set back in relation to the at least one clamping face, of the clamping body.

Abstract: A tool for facilitating threading of a flexible filament or sheet into a hole or opening. The tool includes (i) a filament or sheet guide having a longitudinally extending trough, and (2) an alignment system with (A) a first registration surface configured and arranged to transversely align a hole in a target-piece with the trough when the target-piece abuts the first registration surface, and (B) a second registration surface configured and arranged to laterally align a hole in a target-piece with the trough when the target-piece abuts the second registration surface. Threading of the filament or sheet into the hole or opening can then be achieved by simply causing an upward deflection of a distal portion of the flexible filament or sheet within the trough and moving the deflected distal portion of the filament or sheet along the length of the trough towards the aligned hole or opening in the target-piece until the distal end portion enters the hole or opening.

Abstract: A precision miter gauge setting fixture system is described that includes a horizontal surface with a miter bar channel that bisects at least one pair of symmetrical arcs of angularly spaced, position receptacles drilled into the surface, where each angular position receptacle of a paired set of arcs, radially centers on a base position receptacle of the other symmetrically paired arc of angularly space, position receptacles. A pair of position posts, one snugly seated in the base position receptacle of one of the paired symmetrical arcs of angularly spaced, position receptacles, the other snugly seated in one of the angularly spaced, position receptacles of the other symmetrically paired arc define the desired angle for setting the angle of a miter fence head relative to the miter bar of a miter gauge received and sliding in the miter bar channel.

Abstract: A blade calibration gauge for a bladeset for a hair cutter has a moving blade laterally reciprocating relative to a stationary blade, where the moving blade and the stationary blade are adjustable relative to one another in a direction normal to a direction of reciprocation. The blade calibration gauge has a base defining a recess configured for receiving the stationary blade and providing a first stop for engaging a toothed edge of the stationary blade, and a second stop on the base disposed relative to first stop for providing a designed offset spacing for a toothed cutting edge of the moving blade relative to the corresponding toothed edge of the fixed blade.

Abstract: A tool damage detection device which detects the presence or absence of damage, has a contact bar rotatably supported on a casing; a pneumatically operated air drive device operatively connected with a supply of air under pressure; and a linear-to-rotational motion conversion device operatively interconnects the contact bar and the direct-air drive device. A resilient member is interposed between the contact bar and the conversion device.

Abstract: A gauge for connecting with a power tool and providing a system for determining structural factors of a workpiece to be operated upon by the power tool is provided by the present invention. The gauge including a probe connected with a sensor via a spring, wherein contact by the probe with the workpiece allows a reading by the sensor which may be utilized to determine the proper operational settings of the power tool based on the determined structural factors of the workpiece.

Abstract: A digital measurement system is provided for an apparatus including first and second parts that are positionally adjustable relative to one another, the first part having a base surface and the second part being selectively adjustable toward and away from the base surface. The measurement system includes an elongate reference element mounted for longitudinal movement on the first part such that a first end of the reference element is positionable to be substantially even with the base surface of the first part. A digital reader head is attachable to the second part. The reader head is operable is operably engaged with and moveable along the reference element for measuring relative movement of the reader head along the reference element. The readout further includes a digital display for indicating a measurement corresponding to the relative movement of the reader head along the reference element.

Abstract: A micro tool alignment apparatus and method of use is described herein. The micro tool alignment apparatus coarsely aligns multiple imprinting micro tools to one another and includes a plurality of attachment features to facilitate attachment of the micro tool(s) to the alignment apparatus and to facilitate positioning of the micro tool(s) according to a first and a second degree of freedom. Alignment features associated with the micro tool alignment apparatus further facilitate positioning of the micro tool according to a third degree of freedom.

Abstract: The Invention is an apparatus for squaring a spindle of a machine tool with a work holding surface. A shank is adapted to be connected to the spindle. The shank has a shank axis and is attached to a body. The body has a lower side from which depends a reference point. The reference point defines a measurement plane perpendicular to the shank axis. A first gauge having a spaced-apart relation to the reference point has a range of measurement that intersects the measurement plane. The range of measurement falls on a measurement axis parallel to the shank axis.

Abstract: This invention relates to a measuring and tool setting device having a bridging cursor body 11 of plastics material, wood, metal or any combination of these with an integral locking cam mechanism 12 these acting upon a steel rule or scale 13 which passes through said body at an angle of 90 degrees to a datum drawn between the feet 14 of the body all of these foregoing in conjunction measuring the projection of a cutting edge from a relevant reference face the measurements being read as indicated on the rule or scale by the bevel 15 situated on the cursor body.

Abstract: A hand tool grinding jig is described for use in co-operation with a grinding wheel. The jig has a tool clamp for clamping a hand tool and a leg is pivotally connected to the clamp to allow the angle between the leg and the clamp to be adjusted. An end of the leg remote from the clamp provides a pivot point for engagement in a pivot receiver of a pivot support member that is located adjacent to the grinding wheel. The pivot receiver is disposed so that, when a tool is in the tool clamp and the pivot point is provided in the pivot receiver, the pivotal axis between the leg and the clamp is further from the grinding wheel than the pivot receiver.

Abstract: The body tool has a rectangular shape with two projections and a central passage for a Pinewood Derby® car body. The holes in one projection align with the other projection. A child places a car body into the passage so the kerf for an axle aligns with the holes in the projections. Alternately, the body alignment tool has two jaws upon a threaded rod closed by a wing nut that grasp a car body. The child then drills through the holes and the car body to straighten the kerf to accept an axle. The child then removes the car body from the body tool and inserts an axle into the new kerf.

Abstract: A siding tool is provided that enables a single person to install plank siding on a building. The main body of the tool is provided in the form of a flat elongated bar. The top end of a flat elongated bar is bent 180 degree to form a hook. The tip portion of the hook is tapered to facilitate insertion behind a previously installed plank of siding. The main body includes neck portion attached to the hook. The neck portion has a threaded aperture there through that is positioned a predetermined distance from the top end of the bar. The bar further includes two 30-degree bends resulting in the formation of an angled extension portion connected to the neck portion and a handle portion connected to the extension portion. A movable member is provided in the form of a short generally flat bar having two 90-degree bends therein defining a foot portion with a bolt-receiving aperture there through and a seat portion.

Abstract: A precise adjustment indicator holder in which a position indicator is carried with respect to a work tool and a work piece. The indicator holder connects to the quill of the work tool, such as a machine tool, or other supporting device and is comprised of a pair of arms which are pivotally connected to one another and movable in planes parallel to and relative to one another. The arms are provided with abutments to limit the degree of movement such that precise final adjustment of the positioning of the work tool can be achieved.

Abstract: A method and apparatus is disclosed for measuring and setting perpendicularity between the tool holding spindle and work surface of a machine tool. The device is a fixture comprised either in one piece or multiple assembled components of the following: a shaft or shank used to mount the device into the spindle of the machine, and a body having a reference plane perpendicular to the shaft to provide reference readings with platform or nesting features for secure mounting of two precision gauges arranged along one axis.

Abstract: The gage has a body made of flat plate which has a reference edge. Another edge is a gage edge which is angular and defines a sharp apex away from the gage edge. A foot is slidable along the gage edge to rotate the gage body around the sharp apex pivot. Indicia indicate the angle at different foot positions.

Abstract: An angular position adjusting device including a first member which holds an object having an axis of rotation, a second member which holds the first member rotatably about the axis of the object, and a rotating mechanism interposed between the first and second members and operable to rotate the first member relative to the second member about the axis of the object, and wherein one of the first and second members has an guiding surface formed to extend along an arc of a circle having a center at the axis of the object, the arc having a center angle smaller than 180°, and the other of the first and second members has a guided surface for sliding contact with the arcuate guiding surface, when the first member is rotated by the rotating mechanism relative to the second member, to adjust the angular position of the object about its axis.

Abstract: It is a miter saw table that has adjustable measuring tapes. The tape sections can be calibrated so that the zero point on the tape is always set at the outer surface of the blade. This is done by using slidable wings that can be secured to a base. The wings a readjusted until the built-in tapes match a control tape. Once the wings are set, cuts can be made quickly by either setting a stop at the precise distance needed, or by sliding the board under the blade until the end of the board aligns with the desired measurement. The board can then be accurately cut without having to measure and mark the board first. Moreover, if the blade is changed during the course of work. The measuring system can be quickly re-calibrated to the thickness of the new blade and cuts can immediately be resumed.

Abstract: The machine alignment system comprises a master alignment plate having parallel faces. The alignment plate is mounted on a spindle in place of a saw blade to define the plane perpendicular to the spindle axis. The saw table surface is adjusted to be at a right angle with respect to the alignment plate, and the miter slot is adjusted to be parallel to the alignment plate. Parallelism is achieved by use of a slide bar in the miter slot and a dial indicator on the side bar to measure parallelism of the miter slot with respect to the master alignment plate. The slide bar is of adjustable width so that it can be adjusted to slide in the miter slot without slack. The fence and miter gage can each be adjusted using the master alignment plate as the reference.

Abstract: A marking and cutting guide particularly adapted for use on large flat panels—such as pieces of plywood. The invention clamps onto large panels and remains in place while the user either uses it to mark a cutting line or uses is as a saw guide. Adjustment means are provided so that the user can easily adapt the device to panels of different sizes. Clamping means are provided so that the user can easily clamp the device to a panel.

Abstract: An inspection device for inspecting production of threaded members wherein the threaded members are inspected to ensure that when the threaded member is matched with a corresponding threaded hole in an automotive drive system, the threaded member will mate properly to serve its intended purpose. The apparatus of the invention is formed as a three-piece gage assembly that checks for lead errors and length errors set forth in the threaded member. The combination gage includes a substantially cylindrical gage spacer, a threaded ring gage, and a flush gage pin, which is associated with the threaded ring gage, having a low end mark and a high end mark thereon. The markings indicate proper/improper axial length of the threaded portion. The preferred embodiment is used to evaluate a drive pinion shaft of an automotive axle assembly.

Abstract: An inspection device for inspecting production of splined members wherein the splined members are inspected to ensure that when the splined member is matched with a corresponding splined hole in an automotive drive system, the splined member will mate properly to serve its intended purpose. The apparatus of the invention is formed as a three-piece gage assembly that checks for lead errors and length errors set forth in the splined member. The combination gage includes a substantially cylindrical gage spacer, a splined ring gage, and a flush gage pin, which is associated with the splined ring gage, having a low end mark and a high end mark thereon. The markings indicate proper/improper axial length of the splined portion. The preferred embodiment is used to evaluate a drive pinion shaft of an automotive axle assembly.

Abstract: A tool and method for adjusting the direction of a spray nozzle is provided. The tool and method provide a way to angular the direction of a spray nozzle, and also to record and rest angular direction of a spray nozzle when the angle is changed in use. The tool includes a tool body having an aperture through the body sized to fit over a fixed part of the nozzle and an indicator arm pivotally mounted to the tool housing body that can be aligned with the angle the moveable part of the nozzle. To record the angular position of the nozzle, the tool can be placed on the tool body and the indicator arm can be positioned at an angle that corresponds to the angle of the nozzle. To adjust the angle of the nozzle, the indicator arm can be positioned at a predetermined angle, and the nozzle can be aligned with the indicator arm.

Abstract: A wallpapering tool is provided generally comprising a main portion and a leg portion. The main portion generally includes a handle and a blade defining a longitudinal axis. The blade is connected at one end to the handle, while the other free end of the blade defines a straight guiding edge. The leg portion is integrally formed with the main portion and projects laterally therefrom to further define the straight guiding edge. In one embodiment, the leg portion is defined solely by the blade. In another embodiment, the handle and blade in combination define the leg portion. The leg portion provides access to the straight guiding edge that would normally be blocked by the blade, the handle, a person's hand holding the took, or any combination thereof.

Abstract: A tool and method for adjusting the direction of a spray nozzle is provided. The tool and method provide a way to angular the direction of a spray nozzle, and also to record and rest angular direction of a spray nozzle when the angle is changed in use. The tool includes a tool body having an aperture through the body sized to fit over a fixed part of the nozzle and an indicator arm pivotally mounted to the tool housing body that can be aligned with the angle the moveable part of the nozzle. To record the angular position of the nozzle, the tool can be placed on the tool body and the indicator arm can be positioned at an angle that corresponds to the angle of the nozzle. To adjust the angle of the nozzle, the indicator arm can be positioned at a predetermined angle, and the nozzle can be aligned with the indicator arm.

Abstract: A power tool includes a leveling device which includes a rotatable member which seeks an equilibrium position which corresponds to a level position. A rotating device includes a member which enables passage of a beam. An electrical circuit which includes an emitting device, a receiving device and an indicating device is electrically coupled such that upon activation, the emitting device emits a beam which passes through the beam passing member. The beam is received by the receiving device which, in turn, activates the indicator device. The indicator is generally a light emitting device which has a varying brightness so that the user may view the indicator from all sides of the power tool.

Abstract: A sensor positioning apparatus comprising a mounting plate, a sensor housing, a sensor assembly pivotally mounted to the sensor housing, and a sensor pivotally mounted within the sensor assembly. The sensor housing includes an upper plate and a base plate connected in a spaced relationship and a central axis. The upper plate is coupled to the mounting plate and the base plate includes a socket adapted to receive a ball joint. The sensor assembly is carried by the housing and comprises a cylindrical body having an opening therein and defining a body axis. The sensor assembly also includes a piston within the body movable between a retracted and an extended position, a ball joint rotatably coupled to the base plate socket, a resilient member for maintaining the body axis substantially coaxial with the central axis, and three contact members for contacting a surface and orienting the sensor assembly normal to the surface.

Abstract: The present invention includes a gauging tool for attachment to a fastener gun which dispenses fasteners. The gauging tool includes a positioning shoulder that is placed against the shoulder of siding that is to be secured to the wall of a building. The siding includes an attaching lip through which fasteners are driven for fastening the siding to the wall. The gauging tool of the present invention automatically positions the fastener a selected distance from the shoulder of the siding and automatically drives the fastener a selected depth into the wall.

Abstract: A method and apparatus for NC machining management based on a measurement program, wherein a machining shape at an arbitrary machining stage is determined by an NC program, a geometric element or a geometric model is generated, and a measurement program is generated on the basis of the geometric model. The measurement program is executed when at least one of the steps of the NC program is completed, and the results of measurement are used as control information for machining measurement.

Abstract: The present invention includes a gauging tool for attachment to a fastener gun which dispenses fasteners. The gauging tool includes a positioning shoulder that is placed against the shoulder of siding that is to be secured to the wall of a building. The siding includes an attaching lip through which fasteners are driven for fastening the siding to the wall. The gauging tool of the present invention automatically positions the fastener a selected distance from the shoulder of the siding and automatically drives the fastener a selected depth into the wall.

Abstract: A gauge serving as a jig to adjust exposed length of endodontic files with respect to respective encircling resilient stops which prevent overpenetration into a root canal of a patient. The gauge has a body bearing four parallel, coplanar tracks for slidably receiving an equal number of slides. Each slide has a plurality of spaced apart steps enabling endodontic files to be adjusted to differing operating lengths, and a thumbscrew which secures the slide in place within its track. The thumbscrews are arranged to establish a two discrete levels of friction, the first enabling fine adjustment and the second locking the slide in place. A retaining barrier formed in the body has a plurality of openings for each track, thereby being able to receive and make multiple adjustments to several files when the latter are placed against any one slide. Measurement indicia are optionally borne near one or more tracks, for setting the slides to correspond to radiographic lengths of a patient's root canals.

Abstract: A device for gauging and verifying the precision of surgical instruments is provided. The device includes a holder, at least one instrument, and a carousel having at least one cavity configured and dimensioned in the shape of the at least one instrument. The carousel is rotatably coupled to the holder. Markers or sensors for emitting or receiving signals are fitted to at least two of the holder, the carousel and the instrument, and allow determination of spatial information thereof. The spatial information is calibrated by inserting the at least one instrument in its respective cavity in the carousel and determining any change in dimensions from the instrument's first set of dimensions upon manufacture and its new set of dimensions following use.

Abstract: A grinding machine includes a swing-arm mounted to pivot on a frame, a lens-holder shaft which is mounted to rotate on the swing-arm about a rotation axis parallel to the pivot axis of the swing-arm, and on which a calibration template can be mounted, and a tool-holder shaft which is mounted to rotate on the frame at a distance from the pivot axis of the swing-arm and on which a machining tool can be mounted. A method of calibrating the machine includes an approach phase during which the swing-arm, which is fitted with a calibration template, is moved toward the tool-holder shaft, which is equipped with a machining tool. The approach phase is interrupted as soon as contact is detected between the calibration template and the machining tool. Applications include machines for grinding ophthalmic lenses.

Abstract: The present invention relates to an automated feed assembly for use with a pack seal tester. The automated feed assembly receives a plurality of cigarette packs into a testing column for advancement control of the packs to the tester. The automated feed assembly adjusts the flow of cigarette packs within the testing column through the use of a first, second and third push and hold mechanism which work in conjunction with a first and a second stop mechanism, all of which work in conjunction with each other to orderly advance the packs to a plunger and vacuum source for testing the seal strength of the cigarette pack seal.

Abstract: A precision measuring mechanism includes a precision threaded rod member and an indicating element mounted to move along a linear graduated scale upon rotation of the precision threaded rod member. A circumferential scale has a plurality of marks spaced from a circumferential zero point to indicate a preselected fractional amount of rod member rotation between adjacent circumferential marks. The linear graduated scale includes a plurality of rotation counting marks spaced from a linear zero point and laterally spaced with respect to each other along the linear scale for a linear distance that corresponds and is equal to a complete rotation of the precision threaded rod member. The precision measuring mechanism is also usable with a work operation tool machine which fixes a workpiece on a workpiece supporting table that moves along both an x-axis coordinate and a y-axis coordinate such as a milling machine, drilling machine, mill-drill machine, and the like.