Abstract: A rotation table mounted on a machining table of a machine tool includes a clamping mechanism which is driven by air so as to clamp a rotation shaft, and an air purging pressure is applied into a casing so as to prevent a cutting fluid or foreign matter from intruding into the casing of the rotation table. Then, air discharged from the clamping mechanism does not pass through the casing, to which the air purging pressure is applied, and is discharged to the outside of the rotation table through a flow passage.

Abstract: A counterbalance and drive system for a machine slide mechanism includes a counterbalance system having a first flexible connector suspended from a machine mount and interconnecting a slide mechanism and a counterweight and a drive system having a second flexible connector suspended from the machine mount and interconnecting the slide mechanism and the counterweight. The drive system includes both a drive motor operatively engaged along a length of the second flexible connector for vertically displacing the slide mechanism and a compliant connector operating within a limited range of compliance that imparts a regulated amount of tension along at least a portion of the length of the second flexible connector between the engagement of the drive motor and the counterweight.

Abstract: A cutting fluid tank includes: a fluid ejection apparatus configured to eject fluid toward cutting fluid containing chips and to be capable of varying at least one of a direction and a position of ejection with time in an interior of a tank body configured to store the cutting fluid containing the chips flowed from a work portion of a machine tool. The fluid ejection apparatus includes an ejection head having an ejection port rotatable about an axis of rotation. The ejection port is at a twisted position with respect to the axis of rotation, and the ejection head is rotated by a reaction force of the fluid ejected from the ejection port. Part of the cutting fluid stored in the cutting fluid tank is used as the fluid to be ejected from the ejection port.

Abstract: A portable ski and/or snowboard edge sharpener and method. The edge sharpener includes an abrasive grinding wheel, a belt driven drive train that connects the electric motor and the grinding wheel drive mechanism and decreases the grinding wheel's speed of rotation relative to the rotational speed of the motor, a grinding wheel mount allowing the operator to select and use grinding wheels of different grits and materials and grinding wheel control mechanisms allowing the operator to control the cut depth and the grinding wheel angles relative to the longitudinal and transverse planes of the ski edge surface to be sharpened. This configuration allows the operator to repeatedly sharpen a ski edge at a specific and chosen angle with a specific and chosen surface finish. Other features include, position lockdown devices being part of each of the control mechanisms and a vacuum system to capture residue from the grinding operation.

Abstract: The present disclosure relates to a grinding machine, comprising a machine bed, a grinding spindle, that is arranged to be coupled with a spindle drive and for receiving a grinding wheel, a regulator spindle that is arranged to be coupled with a spindle drive and for receiving a regulator wheel, a workpiece mount for receiving a to-be-machined workpiece between the grinding spindle and the regulator spindle, wherein the grinding spindle and the regulator spindle are coupled with the machine bed and arranged in a fashion movable to one another, wherein the grinding spindle and the regulator spindle form a spindle set, wherein a longitudinal guide is formed at the machine bed, wherein a base carriage is received at the longitudinal guide, wherein the machine bed and the base carriage define a first movement axis, wherein the grinding spindle is coupled with the base carriage and assigned to a second movement axis, wherein the regulator spindle is coupled with the base carriage and assigned to a third movement a

Abstract: The invention provides a method for the centerless grinding of shaft parts (9), in particular of tubes for assembled camshafts, in the case of which the shaft part (9) which is to be ground, and has axial centering portions (11) on its end sides, is ground in rotatably driven fashion, in a manner which is customary in centerless grinding, in a gap between the grinding wheel (1) and regulating wheel (2). The grinding wheel (1) and regulating wheel (2) have a width which corresponds at least to the length of the shaft part (9). The shaft part (9) is ground in its end regions (28) first of all concentrically in relation to the centering portions (11), and this produces ground formations concentrically in relation to the centering portions (11).

Abstract: An apparatus for checking the diameter of crankpins (15) of a crankshaft during the working on a grinding machine comprises a V-shaped reference device (10), a measuring device (6), and a support device (4) with a first coupling element (9) rotating with respect to a support element (5) connected to the grinding wheel slide (2), and a second coupling element (12) rotating with respect to the first one and carrying the V-shaped reference device. Guiding means with a constraining linkage (20) connected to the support device, guide the engagement of the reference device with a crankpin, during the orbital motion of the latter, binding a part of the movement along a trajectory substantially parallel to the profile of the grinding wheel (1), while not interfering with the movements of the support device in the checking condition. A control device to bring the apparatus to the checking condition comprises a thrust element (40) that cooperates with the support device.

Abstract: The present invention relates to lining carrier for a sanding pad lining, in particular for use with a sanding pad for pressing sanding surfaces against workplaces in segment-belt and wide-belt sanding machines. Here, the lining carrier has at least one recess, in particular a groove.

Abstract: A CMP method uses a slurry including colloidal metal oxide or colloidal semiconductor oxide particles (colloidal particles) in water. At least one particle feature is selected from (i) the colloidal particles having a polydispersity >30%, and (ii) mixed particle types including the colloidal particles having an average primary size >50 nm mixed with fumed oxide particles having average primary size <25 nm. A substrate having an alumina surface is placed into a CMP apparatus, and CMP is performed with a rotating polishing pad and the slurry to polish the alumina surface. The polydispersity is determined by a polydispersity formula for a distribution width (w) involving width w1 and width w2 at a second larger particle size. The polydispersity formula=(w2?w1)×100/dav which includes 63% of a total of the colloidal particles by volume and day is an average particle size of the colloidal particles.

Abstract: A retaining ring for a chemical mechanical polishing carrier head having a mounting surface for a substrate is provided herein. In some embodiments, the retaining ring may include an annular body have a central opening, a channel formed in the body, wherein a first end of the channel is proximate the central opening, and a sensor disposed within the channel and proximate the first end, wherein the sensor is configured to detect acoustic and/or vibration emissions from processes performed on the substrate.

Abstract: A multi-angle automated polishing system comprises a workbench, a holding unit, a polishing unit, and a control unit. The holding unit comprises a holding component for holding an object, a transverse drive configured to drive the holding component to move transversely along the plane of the workbench, a translational drive configured to drive the holding component to move translationally along the plane of the workbench, and a rotary drive configured to drive the holding component to rotate transversely along the plane of the workbench. The holding unit further comprises a rotating unit and a rotating drive configured to drive the rotating unit to rotate. The polishing unit comprises a polishing component and a polishing drive configured to drive the polishing unit in operation. The control unit is connected to the transverse drive, the rotary drive, the rotating drive, and the polishing drive.

Abstract: A guard lock for a powered apparatus having a neck extending from a gear case is provided. The guard lock includes a guard member having a body portion for at least partially surrounding a working member of the power tool and a collar connected to and extending from the body portion, where the collar includes multiple windows that are spaced from one another. The guard lock also includes a stop lever coupled to the gear case via a fastener about which the stop lever may pivot, the stop lever including an engagement portion and a distant arm portion, and a biasing member for biasing the engagement portion of the stop lever toward a window of the collar. When the engagement portion is positioned within a window, rotation of the collar is permitted in a first direction where the window engages a first surface of the engagement portion but is prevented in a second direction where the window engages a second surface of the engagement portion.

Abstract: The present invention includes methods and apparatus for controlling the abrasion of a tire surface. Particular embodiments provide an abrading tool for abrading a surface of a tire, the tool comprising means for rotating an abrading wheel, an abrading wheel rotatably attached to the means for rotating, and a depth guide secured to the means for rotating, wherein the depth guide includes a pair of freely rotatable, spaced apart guide wheels. Further embodiments include a depth guide configured for use with an abrading tool which includes a abrading wheel and a means for rotating the abrading wheel, the depth guide comprising a mounting member securable to the means for rotating and a pair of freely rotatable, spaced apart guide wheels rotatably attached to the mounting member. Particular embodiments further include a method for preparing a portion of a tire for repair.

Abstract: Polycrystalline compacts include smaller and larger hard grains that are interbonded to form a polycrystalline hard material. The larger grains may be at least about 33 times larger than the smaller grains. An interstitial material comprising one or more of a boride, a carbide, a nitride, a metal carbonate, a metal bicarbonate, and a non-catalytic metal may be disposed between the grains. The compacts may be used as cutting elements for earth-boring tools such as drill bits, and may be disposed on a substrate. A particulate mixture includes a first plurality of grains of hard material having a coating formed over the grains of hard material. The coating comprises at least one of a boride, a carbide, a nitride, a metal carbonate, a metal bicarbonate, and a non-catalytic metal. A second plurality of grains of hard material has a grain size at least 33 times larger than the first plurality.

Abstract: A method for manufacturing a grinding wheel which is formed by fitting a cylindrical grindstone chip including abrasive grains to a base metal formed to be of a columnar shape, comprises an adhesive agent applying step, a linear guide member arranging step for arranging and attaching a plurality of linear guide members on at least one of the outer peripheral surface of the base metal and the inner peripheral surface of the cylindrical grindstone chip, in parallel with a rotation axis of the base metal and with an equal distance separated in a circumferential direction from one another and a base metal and grindstone chip fitting step for fitting the base metal and the cylindrical grindstone chip to each other by relatively moving the base metal and the cylindrical grindstone chip, interposing therebetween the plurality of linear guide members arranged and attached with the equal distance separated from one another.

Abstract: A hand-held power tool includes a drive device in a housing. The drive device is intended to drive a tool accommodated in a tool-accommodating region. An adjusting motion of the hand-held power tool by the user is detected via a sensor device. A controlled variable for setting the drive device is generated in an open-loop or closed-loop control device in the hand-held power tool according to the detected adjusting motion.

Abstract: A torque wrench includes a solenoid driven release mechanism and a transceiver for wirelessly transmitting and receiving parameter set.

Abstract: The present disclosure provides an apparatus having a base with at least one guide formed along a length thereof. A fitting clamp and a tube clamp are coupled to the base and spaced apart from one another. A drive mechanism is operable for moving at least one clamp relative to the other clamp along the guide of the base so as to slidingly assemble a tube and fitting together.

Abstract: A tensioning device for extending a threaded bolt by tensioning the threaded end section has a supporting tube surrounding the threaded end section, a cylinder arranged in continuation of the supporting tube and having at least one piston axially movable therein, an exchange socket which is screwable to the threaded end section and is configured such that it can be carried along axially by the piston, and a pin arranged in an axially movable manner in a longitudinal guide in the exchange socket. The pin end is axially supportable against that end of the threaded bolt that has the threaded end section. In order to assess the actually usable thread projection even in cases in which known tensioning devices provide imprecise results, the pin is formed in a radially widened manner at its pin end compared with the pin cross section.

Abstract: A tactical entry tool for creating an entry point through a building structure is provided. The tool includes a shaft portion including a shaft, and a head portion attached to a first end of the shaft. The head portion includes two heads, with each head including a head shaft extending from the shaft to form a ‘Y’ shaped structure and a break head portion attached to the head shaft at an opposite end from which the head shaft is connected to the shaft. Each break head portion includes a plurality of teeth surrounding the perimeter of the break head portion and a plurality of breaker tips extending from the break head portion.

Abstract: A handheld power tool having an electric motor held in a power tool body and a universal controller in the power tool body in communication with the electric motor. The universal controller is in communication with an electronic component that defines a tool type identifier in the power tool body. The handheld power tool also has a battery pack releasably attachable to the power tool body, the battery pack having an on-board electronic identifier. The universal controller has a plurality of different operational control modes for a plurality of different tool types and a plurality of different battery packs with different battery characteristics. The controller can automatically select an appropriate control mode based on the tool type identifier and the battery pack identifier.

Abstract: The invention relates to a power tool, in particular a hand power tool (1), comprising an electric drive motor (2) which may be operated by means of a motor switch element (8) and a gearbox (3) driven by the drive motor (2), with a first and at least one second speed. According to the invention, the motor switch element (8) is coupled to the gearbox (3) such that the same can be switched from the second speed to the first speed by means of the motor switch element (8).

Abstract: A power drill having percussion drilling function, drilling function and screwing function has a gearing for transmitting the drive motion of a drive unit to a tool spindle. Furthermore, two latching elements are provided which, in the percussion drilling function, are in latching engagement and in the drilling or screwing position are in the disengaged state. A mode setting device has a rotatable supporting ring and a thrust ring, coupled to the supporting ring in a torsionally fixed manner which, in the screwing position is held on the gear housing in an axially displaceable manner.

Abstract: A rotary power tool, such as an oil pulse driver, includes: a motor, a pinion rotated by the motor, planet gears that mesh with the pinion, an internal gear that meshes with the planet gears and a shaft that is rotationally driven by the planet gears and disposed frontward of the planet gears. The internal gear comprises an internal gear part and an internal gear retaining part for holding the internal gear part. An oil unit bearing is disposed frontward of the internal gear part, and the oil unit bearing is held at a front part of the internal gear retaining part.

Abstract: A handle for a cleaning implement, particularly for a scrub brush includes a resilient handle having a c-shaped bend along its length. The c-shaped bend can be grasped by a user and the handle caused to rotate along an axis defined by the scrubbing end and an upper terminal end.

Abstract: A coating structure for forming a tool comprises a tool body and an outer coating layer. The tool body includes at least one base plate, an upper limiting plate, a lower limiting plate, a ratchet driving member, a stirring member, and at least one pin. The base plate has a handle portion and a driving portion which is connected with one end of the handle portion. An accommodating groove is arranged at the driving portion and received the ratchet driving member and the stirring member. The upper and lower limiting plates are stacked on the upper and lower surfaces of the driving portion respectively. The outer coating layer is covered the outer surfaces of the upper and lower limiting surfaces and the base plate for fastened so as to prevent the outer coating layer from sliding while in operation. The operating quality is efficiently increased and the cost is saved.

Abstract: A hand tool assembly generally comprising a handle and a tool head combined by a connector. The handle has a first end and a second end. The connector has a first end and a second end. The first end of the connector is combined with the second end of the handle. The second end of the connector is combined with the head of a tool by inserting the connector into a socket/opening in the tool's head. The second end of the connector is flexible thereby allowing it to conform to the shape of the socket regardless of whether the socket is straight or curved. A rigid tube insert is positioned a short distance into the handle second end and extends a short distance outward from the handle second end. Adhesives or fasteners may be used to help secure the components together.

Abstract: A hand drill lifting and actuating apparatus includes a post has a bottom end and a top end. The post is telescopic and includes an upper section and a lower section. A mount is attached to the top end and releasably secures a drill to the post. An actuator is mounted on the post and engages a switch on the drill to turn the drill on. A fulcrum is attached to the lower section of the post. A handle has a first end and a second end. The first end is pivotally coupled to the upper section. The handle is pivotally coupled to the fulcrum between the first and second ends such that the upper section is lifted upwardly when the second end is urged downwardly. The mount is thereby urged upwardly when the second end is pulled downwardly.

Abstract: A drill attachment storage device for drill-couplable drill attachment storage includes a coupler that is coupled to a back of a housing proximate to a top of the housing. A plurality of penetrations is positioned on opposing sides of housing and extends through the housing. The penetrations are complementary to a shaft of a drill attachment. Each penetration is configured to reversibly couple a respective drill attachment. The coupler is configured to reversibly couple to a drill. The housing is positioned to store drill attachments such that the drill attachments are readily accessible to a user of the drill.

Abstract: A socket holding frame has a track base, a positioning board, and at least one positioning mount. The track base has a bottom panel and two rails. Each rail has a sliding channel. The positioning board is disposed on the track base and has two multiple first engaging segments. The multiple first engaging segments are formed on the top surface of the positioning board at spaced intervals, and are aligned in a straight line. Each first engaging segment has a curved engaging groove and an engaging protrusion formed in the curved engaging groove. The at least one positioning mount is slidably and rotatably mounted on the track base. Each positioning mount has multiple second engaging segments, and part of the multiple second engaging segments are selectively engaged with one of the multiple first engaging segments.

Abstract: A device, system, and method for holding one or more structural long objects includes a plurality of adjacent flat membranes that are in direct contact with each other. The membranes have been slit to produce tabs that meet near a center of the membranes to hold the structural long object(s) more effectively than could be accomplished with a single flat membrane with tabs. The membranes are held in the body of the device or system by a retaining device located on one side of the membranes and a retaining feature of the body on the other side of the membranes.

Abstract: A tool for acting on a workpiece includes a body and an adjustable element movably attached to the body. A tool member on the adjustable element is disposed on the adjustable element to act on the workpiece. The adjustable element is configured to move between a plurality of predetermined adjustment positions to locate a portion of the adjustable element a selected distance from the body. The adjustable element is resiliently biased against movement out of the predetermined adjustment positions. A micro adjustment mechanism provides for micro adjustment of a position of the adjustable element relative to the body once the adjustable element is moved to a selected predetermined adjustment position. The micro adjustment mechanism is configured for moving the adjustable element to an intermediate adjustment position located between the selected predetermined adjustment position and an immediately adjacent predetermined adjustment position for precise position adjustment of the adjustable element.

Abstract: A reaching and grabbing tool is provided that has gripping head with at least one jaw operatively connected to a trigger for movement with respect to a gripping axis. The gripping head defines at least one region configured to provide a plurality of gripping states. The gripping head can have more than one jaw that each move with respect to the gripping axis. The plurality of gripping states can include three different gripping states.

Abstract: A mobile robot guest for interacting with a human resident performs a room-traversing search procedure prior to interacting with the resident, and may verbally query whether the resident being sought is present. Upon finding the resident, the mobile robot may facilitate a teleconferencing session with a remote third party, or interact with the resident in a number of ways. For example, the robot may carry on a dialog with the resident, reinforce compliance with medication or other schedules, etc. In addition, the robot incorporates safety features for preventing collisions with the resident; and the robot may audibly announce and/or visibly indicate its presence in order to avoid becoming a dangerous obstacle. Furthermore, the mobile robot behaves in accordance with an integral privacy policy, such that any sensor recording or transmission must be approved by the resident.

Abstract: The invention relates to a method and a system for determining gripping regions on an object. The object is to be gripped, based on the determined gripping regions, by means of a robot. At least one first gripping pose of the robot is taught at the object, and additional gripping poses are determined at the object. Based on these gripping poses, a first gripping region is configured.

Abstract: Data about a physical object in a real-world environment is automatically collected and labeled. A mechanical device is used to maneuver the object into different poses within a three-dimensional workspace in the real-world environment. While the object is in each different pose an image of the object is input from one or more sensors and data specifying the pose is input from the mechanical device. The image of the object input from each of the sensors for each different pose is labeled with the data specifying the pose and with information identifying the object. A database for the object that includes these labeled images can be generated. The labeled images can also be used to train a detector and classifier to detect and recognize the object when it is in an environment that is similar to the real-world environment.

Abstract: Provided are an omnidirectional moving robot device, and a system and method for object conveyance using a plurality of moving robot devices. The omnidirectional moving robot device includes a sensor, a traveling unit including an omnidirectional wheel disposed in a housing, and a control unit configured to transmit a traveling command signal to the traveling unit by using data measured by the sensor.

Abstract: Provided is a manipulator system including: a manipulator that has an insertion section composed of a flexible section and a bending section and that has a bending-section drive unit for driving the bending section; an operation input unit; a flexible-section shape detecting unit and a bending-section shape detecting unit that detect curved shapes of the flexible section and the bending section, respectively; compensation-value setting units that set a compensation value on the basis of the curved shape detected by each of the shape detecting units; and a control unit that generates a curvature control signal for driving the bending-section drive unit according to an operating instruction input via the operation input unit and furthermore corrects the curvature control signal using the compensation value and transmits it to the bending-section drive unit.

Abstract: A method and apparatus for positioning one component relative to another component. First metrology data may be identified for a first component and second metrology data may be identified for a second component. First locations of first features may be identified on the first component using the first metrology data. Second locations of second features on the second component may be identified using the second metrology data. A transformation may be computed based on the first locations identified and the second locations identified for use in modifying a movement plan of a robotic system for positioning the second component relative to the first component.

Abstract: An automated robotic assembly system is configured to assemble a device by fitting a first component made of a material liable to deformation by external force with a second component by means of a robot, and the first component is provided with a distortion detection unit for detecting distortion thereof. If the distortion detected by the distortion detection unit exceeds a predetermined value, a signal for notifying abnormality is output to stop an automated assembly operation by the robot.

Abstract: A system includes a glove, sensors, actuator assemblies, and controller. The sensors include load sensors which measure an actual grasping force and attitude sensors which determine a glove attitude. The actuator assembly provides a grasp assist force to the glove. Respective locations of work cells in the work environment and permitted work tasks for each work cell are programmed into the controller. The controller detects the glove location and attitude. A work task is selected by the controller for the location. The controller calculates a required grasp assist force using measured actual grasping forces from the load sensors. The required grasp assist force is applied via the glove using the actuator assembly to thereby assist the operator in performing the identified work task.

Abstract: A workpiece container stores at least one workpiece having a bottom surface and a peripheral edge. In one embodiment, a workpiece support structure is located within the container enclosure, which forms multiple vertically stacked storage shelves within the enclosure. Each storage shelf includes, in one embodiment, a first tine and a second tine for supporting the workpiece in a substantially horizontal orientation. The bottom surface and peripheral edge of a workpiece seated on a storage shelf extends beyond the outer edge of both the first tine and the second tine. An end effector may engage these extended portions or “grip zones” of the workpiece.

Abstract: The present disclosure provides a flexible clamping device, which is composed of a housing, a shaft I, a sleeve I, a cylinder, a connector, a shaft II, a clamping spring, a protective pad, a pressure block, a shaft III, a sleeve II and a bottom plate. The bottom plate is provided with two steps on which wheels having different sizes are fixed respectively. When the large-sized wheel is put on the bottom step, the cylinder drives the connector to move right in a plane, the protective pad on the pressure block presses the hub of the wheel, and the function of compacting the large-sized wheel is thus realized; when the small-sized wheel is put on the bottom step, the cylinder drives the connector to continuously move right in the plane, the protective pad on the pressure block presses the hub of the wheel, and the function of compacting the small-sized wheel is thus realized.

Abstract: A folding knife assembly includes a blade system which is disposable between an open configuration and a closed configuration using a single hand. The blade system includes a fixed blade portion and a movable blade portion, wherein the fixed blade portion and moveable blade portion are cooperatively structured to engage one another in an interlocked configuration when the blade system is disposed in an open configuration. The folding knife assembly also includes a positioning assembly structured to facilitate disposition of the blade system between an open configuration and a closed configuration. A locking assembly is provided and is structured to operatively engage at least a portion of the positioning assembly to releasably secure the blade system in the open configuration, and to operatively disengage the positioning assembly to permit disposition of the blade system into a closed configuration.

Abstract: The invention relates to a cutting device comprising a housing (14) and a blade carrier (15) to which a blade (16) is secured. Said blade carrier (15) can be moved by means of a lever element (26) of an actuation device at least between a secure position and a cutting position. In the secure position, said blade (16) is accommodated in the housing (14) so that it is inaccessible to the user and in the cutting position, it protrudes out from the housing (14) through a housing opening (32). The invention is characterized in that an extension (12) is arranged between a first handle (24) and the blade carrier (15).

Abstract: An electric hair clipper includes a housing containing an electrical source and drive-related components. A clipper mechanism having a reciprocating clipper is located beneath the bottom of the housing but is spaced therefrom by a central hub that extends downwardly from the bottom of the housing. The housing, central hub and clipper mechanism are arranged such that a person can hold the electric hair clipper by placing his or her fingers in the space between the housing and the clipper mechanism with the central hub lying between two fingers and with the back of the person's fingers resting in a pair of elongated spaced apart recesses formed in the bottom of the housing on opposite sides of the hub.

Abstract: The present invention relates to a unitary razor blade and to a shaving razor using the same, and more particularly, to a razor blade which is shaped into a geometrical structure so as to achieve the maximized strength thereof. The razor blade according to the present invention comprises: an edge portion having a curved cutting edge; a connection portion which extends from the edge portion and which is formed into a curve; and a support portion extending from the edge portion to support the edge portion and the connection portion, where the edge portion, the connection portion and the support portion are combined into a single body.

Abstract: Disclosed is a punching apparatus, for a coil bound notebook, which divides into many an object to be bound such as a notebook, a book, an album and the like, then punches same while sequentially moving same and enables easy feeding of the object to be bound, for which the punching has been completed, to a subsequent coil binding position. A punching apparatus for a coil bound notebook, according to the present invention, has first and second alignment plates which are provided on a table on which an object to be coil bound is placed, a punch for punching into the object to be bound binding holes into which a coil spring is inserted, and a moving means for the object to be bound for moving the object to be bound to and from the punch.

Abstract: Attachment/detachment of tablet cutting blades to/from a tablet cutting blade replacement jig inserted into and withdrawn from a tablet splitting apparatus to receive and deliver the tablet cutting blades is facilitated even in a dispensing site. The cutting edges of the tablet cutting blades are allowed to be exposed without detaching the tablet cutting blades. The tablet cutting blade replacement jig (60) includes: a jig main body (61) that can be inserted into and withdrawn from support members (28) in place of a falling tablet guiding member; blade holders (64) for retaining tablet cutting blades (41) within notches (63) of the jig main body (61); operating members (72) that are manually operated to switch between maintenance and release of retention of the tablet cutting blades; and urging members for maintaining the switched state even though the switched state is on a retention maintained side or is on a retention released side.

Abstract: A rigid punch tool for cutting vents into plastic thermoformed containers. More specifically, a rigid punch tool comprising a holder with a plurality of slots; and a plurality of punches, each punch comprising a blade, a base, and attachment points, wherein, for each punch, the base of the punch fits into one of the plurality of slots in the holder, the base of the punch is wider than the blade of the punch, and bolts or pins fit in the attachment points to secure each punch to the holder.