Abstract: A punching device includes: a housing with a flange part and an upper part; a die part; a punch supported movably on the flange part; and two driving levers abutting against the upper part and the punch and rotatable between initial and cutting positions. Each of the driving levers has a protrusion, first and second end segments and a middle segment between the first and second segments. When the driving levers are disposed at the initial position, the middle segments overlap each other in a second direction. When the driving levers are disposed at the cutting position, the second end segment of one of the driving levers overlaps the first end segment of the other one of the driving levers in the second direction.

Abstract: The present disclosure provides an automatic electric punching apparatus that can automatically punch documents or paper sheets by lowering a screw punch blade by means of a screw while being rotated in conjunction with driving of a motor due to switching.

Abstract: A device for trimming an osteochondral plug graft to an implantable configuration, includes a blade assembly terminating in a configured leading cutting blade and a plug graft housing comprising a substantially longitudinal holding sleeve having a bore and oriented complementarily to the longitudinal structure of the blade assembly to receive the longitudinal structure within the sleeve bore with the assembly cutting blade in close tolerance along an inner bore surface of the longitudinal housing structure.

Abstract: A paper punch includes a base and a slide board is connected to the base. Multiple punch seats are located on the slide board and above the hole of the base. Each punch seat has a control member and a connection arm connected to the slide board. The control member is pivotably connected to the connection arm. The control member has an eccentric seat and an operation board. The eccentric seat is a cam and eccentrically connected to the connection arm. A first face is defined in the eccentric seat and located in opposite to the operation board. A second face is located adjacent to the first face. When switching the first face to the second face, the punch seat is movable along the slide board so as to obtain a desired distance between the punch seats.

Abstract: Cutting device, method and use are for cutting of a line extending from a floating vessel. The cutting device is structured for placement on the vessel. The cutting device comprises: at least one guide structured for directional steering of the line past a cutting area for the line; and at least one of the following cutting-promoting devices: at least one induction coil device directed inwards toward the cutting area and structured for heating, hence weakening, of the line within the cutting area; and at least one moveable cutting knife with an opposite contact surface directed inwards toward the cutting area and also structured for cutting of the line within the cutting area.

Abstract: An effort-saving paper punch includes a lever pivot in position in relation to the lever, a lever pivot slot which receives the lever pivot in a way which enables the lever pivot to move towards the punching end in the resting position and away from the punching end in the punching position, and a longitudinal contact member which is fixedly disposed underneath the lever at a position corresponding to the punching members so that a first end of the longitudinal contact member which is farther away from the punching end abuts against the punching members in the resting position, and a second end of the longitudinal contact member which is nearer to the punching end abuts against the punching members in the punching position.

Abstract: A sheet hole punching device has a device frame; a plurality of punching members arranged in first and second groups, and arranged linearly on the device frame; a driving rotation shaft; a driving motor reciprocally rotating the driving rotation shaft; a gear mechanism transmitting a rotation of the driving rotation shaft; cam mechanisms converting the rotational movement; and a motor control device. The gearing mechanism includes drive gears disposed on the drive rotational shaft, and receiving gears disposed on the punching members to engage with the drive gears. The cam mechanisms include cam followers and cylindrical cams. The cylindrical cam has a V-shaped groove cam to reciprocate each of the punching members between an upper dead point and a lower dead point. The punching members are rotated in one direction to punch holes in first sheets, and subsequently rotated in a reverse direction to punch holes in following sheets.

Abstract: A punch press device has a lift that can move up and down with respect to a workpiece and a punch that is supported by the lift and can move up and down with respect to the lift. Further, the punch press device has a switching member that reciprocates between a position where the punch is constrained so that it moves down together with the lift and a position where the punch is released so that it moves up with respect to the lift. The punch press device has two electromagnetic solenoids for reciprocating the switching member. The first electromagnetic solenoid moves the switching member in a first direction, and the second electromagnetic solenoid moves the switching member in a second direction opposite to the first direction.

Abstract: A sheet hole punching device has a device frame bearing-supporting a plurality of punching members, a driving rotation shaft, a drive motor, a gear mechanism transmitting a rotation of the driving rotation shaft, cam mechanisms converting the rotational movement into vertical movement, and a motor control device. The gearing mechanism includes drive gears fixed on the driving rotation shaft and receiving gears to engage with the drive gears to transmit the rotational movement to the punching members. The cam mechanism includes cylindrical cams formed integrally to the punching members and cam followers fixed to the device frame. The cylindrical cams are provided with V-shaped groove cams to reciprocate the punching members between an upper dead point and a lower dead point. The punching members are rotated in one direction to punch holes in a sheet, and subsequently rotated in a reverse direction to punch holes in a following sheet.

Abstract: There is provided a punching unit capable of punching holes in high-performance by increasing a punching force and by rotating a punch. A guide hole that guides the punch in the vertical direction is formed to have a narrow upper part, a wider lower part and inclined surfaces between them. An actuation pin engages with a cam and the punch moves up and down to punch a hole when a cam member reciprocates. The actuation pin abuts with the inclined surface of the guide hole at the punching position, so that the punch is rotated and a cam inclined angle is reduced by an inclined angle of the guide hole, allowing a large punching force.

Abstract: Machine for punching holes through a longitudinal sheet or wheel rim passing in a horizontal direction, using punches, and also for cutting said sheet to obtain sheet portions or pieces. The machine is characterized in that the punching and cutting operations are performed by a single power unit, such as an oleohydraulic cylinder (2) secured to a frame and positioned at the top in a vertical direction. The shaft of said cylinder is connected to a cutter-holding carriage (4) which, as it moves downwards to cut the sheet (10), brings with it an upper support means (19) that forms part of a punching device (6), the punches of which are guided on a lower front carriage (8) that also forms part of the punching device (6).

Abstract: A blind cutting apparatus includes a support surface adapted to support a window covering, a frame disposed at the end of the support surface and a rack movable within the frame. A plurality of die assemblies are fastened to the rack, in which each die assembly includes a fixed die that has openings sized to receive the ends of the window covering and a movable die that is movable relative to the fixed die. The fixed dies and the movable dies are adapted to cut the ends of the window covering. The rack is adapted to move relative to the support surface such that a selected die assembly is adjacent the support surface and the moveable die of the selected die assembly is independently moveable of the moveable dies of the other die assemblies.

Abstract: A punching apparatus includes a plurality of punches for punching a workpiece, a pad, and a single piston supporting the pad. The punches are disposed on a top surface of a portion of the pad. The top surface has a circumference circumscribing circumferences of outermost ones of the punches. A diameter of the piston is larger than a diameter of the portion of the pad.

Abstract: An angle cutting machine with exchangeable cutting members includes a base portion, an adjusting device, a cutting device, a powering device and a positioning device. The adjusting device includes a base board, an adjusting portion and a position limiting portion. An adjusting area and a position limiting area are formed in the base board. The cutting device has a vertical axle and a plurality of cutting members. The powering device can provide power to the vertical axle so that the vertical axle can carry out a reciprocating up-down motion. The positioning device moves along with the cutting device to ensure the correct positioning of the cutting device. Therefore, the cutting members may be fitted to the main body more accurately and more easily and safety in the use of the cutting machine may be enhanced.

Abstract: A smart food chopping or slicing device comprising at least two moveable blade sets arranged in a grid like configuration wherein the blade sets are configured orthogonally such that the cutting edges of both the blade sets remain substantially in the same plane. The movement of one set of blades is independent of the movement of another set of blades and can be independently controlled. The moveable blade sets are configured for lateral reciprocal movement. The plane of the lateral reciprocal movement of the cutting edges of the blade sets and the plane of the cutting edges of the blade sets are substantially the same or the same parallel planes. The blade sets are removeably mounted on a means capable of providing lateral reciprocal movement to the blade sets.

Abstract: A sheet hole punching device has a device frame bearing-supporting a plurality of punching members, a driving rotation shaft, a drive motor, a gear mechanism transmitting a rotation of the driving rotation shaft, cam mechanisms converting the rotational movement into vertical movement, and a motor control device. The gearing mechanism includes drive gears fixed on the driving rotation shaft and receiving gears to engage with the drive gears to transmit the rotational movement to the punching members. The cam mechanism includes cylindrical cams formed integrally to the punching members and cam followers fixed to the device frame. The cylindrical cams are provided with V-shaped groove cams to reciprocate the punching members between an upper dead point and a lower dead point. The punching members are rotated in one direction to punch holes in a sheet, and subsequently rotated in a reverse direction to punch holes in a following sheet.

Abstract: A sheet hole punching device has a device frame; a plurality of punching members arranged in first and second groups, and arranged linearly on the device frame; a driving rotation shaft; a driving motor reciprocally rotating the driving rotation shaft; a gear mechanism transmitting a rotation of the driving rotation shaft; cam mechanisms converting the rotational movement; and a motor control device. The gearing mechanism includes drive gears disposed on the drive rotational shaft, and receiving gears disposed on the punching members to engage with the drive gears. The cam mechanisms include cam followers and cylindrical cams. The cylindrical cam has a V-shaped groove cam to reciprocate each of the punching members between an upper dead point and a lower dead point. The punching members are rotated in one direction to punch holes in first sheets, and subsequently rotated in a reverse direction to punch holes in following sheets.

Abstract: An apparatus for punching at least one hole in a sheet of paper and attaching a reinforcing ring onto the sheet around the hole includes a platform; a hole punch rod mounted to and extending outwardly from the platform positioned to match a desired location for a hole on a sheet, the hole punch rod having a rod cutting end extending away from the platform; a sheet panel having a ring passing hole positioned to register with the longitudinal axis of the punch rod and sized to pass a reinforcing ring; a hole punch plate generally parallel to and spaced forwardly from the sheet panel and having a hole punching port positioned to register with the longitudinal axis of the hole punch rod, the hole punching port being sized to pass the rod cutting end closely enough to cut a hole into a sheet placed between the rod cutting end and the punching port; a sheet panel return spring mechanism.

Abstract: A sheet hole-punching device includes a plurality of punch members, a base frame for slidably supporting the punch members in a hole-punching direction and rotationally supporting the punch members, and a drive member having a plurality of cam portions. Each punch member has a leading end with a hole-punching blade. Each cam portion engages each punch member to move the punch member in the hole-punching direction. A plurality of cam devices is also formed in the sheet hole-punching device. Each cam device is disposed between the base frame and each punch member for converting a hole-punching direction movement of the punch member into a rotational movement so as to rotate the punch member while moving in the hole-punching direction.

Abstract: [Object] An apparatus for chamfering fold formation tape ends is provided which not only facilitates setting of a workpiece tape but also simultaneously carries out cutting of the tape so as to form acute-angled ends and chamfering of the side faces of the tape ends to perform end processing at two positions at a time.

Abstract: An angle cutting machine with exchangeable cutting members includes a base portion, an adjusting device, a cutting device, a powering device and a positioning device. The adjusting device includes a base board, an adjusting portion and a position limiting portion. An adjusting area and a position limiting area are formed in the base board. The cutting device has a vertical axle and a plurality of cutting members. The powering device can provide power to the vertical axle so that the vertical axle can carry out a reciprocating up-down motion. The positioning device moves along with the cutting device to ensure the correct positioning of the cutting device. Therefore, the cutting members may be fitted to the main body more accurately and more easily and safety in the use of the cutting machine may be enhanced.

Abstract: A hole punching device includes two first punching members and a second punching member intermediate the two first punching members. First, second and third lever arms are adapted to render one of the two first punching members, another of the two first punching members and the second punching member to press holes in sheets respectively. The first lever arm has a longitudinal length longer than those of the second and third lever arms, with the second lever arm being longer than that of the third lever arm. Further, the first lever arm actuates the second and third lever arms upon depression of the hole punching device.

Abstract: A cutting apparatus, configured for cutting a gate of an injection molding part, includes a bottom board, a cutting mechanism located on the bottom board. The cutting mechanism includes a driving member and a cutting member engaged with the driving member. The cutting member includes a first cutting section having a first handle, and a second cutting section having a second handle. The second cutting section is rotatably attached to the first cutting section, the first handle and the second handle abut an inner surface of the driving member, and the driving member is configured to move the first handle and the second handle.

Abstract: There is provided a punching unit having a structure permitting to reduce a force required for punching, permitting to lessen parts and permitting to punch holes through a member to be perforated at arbitrary positions thereof. The punching unit has a holder that holds one or plurality of sets of punches and dies. The holder is movable in an array direction in which a plurality of holes to be perforated through the member is arrayed. An eccentric cam is disposed above the holder in parallel with the array direction. The punches within the holder are driven toward the dies by rotating the eccentric cam regardless of moving positions of the holder. Thus, the punching unit can perforate a number of holes greater than the number of punches held within the holder by sequentially moving the holder and by rotating the eccentric cam.

Abstract: A device for trimming an osteochondral plug graft to an implantable configuration includes a blade assembly terminating in a configured leading cutting blade and a plug graft housing comprising a substantially longitudinal holding sleeve having a bore and oriented complementarily to the longitudinal structure of the blade assembly to receive the longitudinal structure within the sleeve bore with the assembly cutting blade in close tolerance along an inner bore surface of the longitudinal housing structure.

Abstract: A medicine feeding device including a support portion (32) for supporting a seal surface side of a press through pack (5), a press section (33) for pressing the housing recess portions (9) from one side other than the seal surface of the press through pack (5), and a cutter (38) for making a cut slit in the sheet (11) at a boundary portion between the housing recess portions (9) and the seal surface (8) at least before the sheet (11) is broken or the medicine (6) is damaged by the pressure exerted by the press section (33).

Abstract: Disclosed is a repetitive stroke work system having an upper holder assembly configured to hold one or more work performing elements deployed on the upper holder assembly. The work performing elements are configured for lockable displacement on the upper holder assembly, with the displacement being along both X and Y axis relative to the upper holder assembly. The repetitive stroke work system also includes a workpiece repetitive positioning device configured with at least one initial work stop for use while performing an initial work operation and at least one subsequent work stop for use while performing subsequent work operations. The upper holder assembly is displaceable along a Z axis so as to bring the work performing elements in to operational contact with a workpiece deployed on the workpiece repetitive positioning device.

Abstract: A multi-purpose hole punch, having a main body pivotal configured with a pivot shaft, an upper end of which is pivotal configured with a press plate, and the lower end is connected to a base plate, thereby forming a gap between the main body and the base plate. Each through hole of three sides of the main body has a key-press, and a punch is located in each of the through holes beneath the key-press. Two joined transform plates are pivotal configured on two sides in the gap. One of the transform plates is configured with an unfilled corner able to fixedly position a corner of paper, while the other transform plate forms an unfilled corner able to fixedly position the edge of paper. Accordingly, rotating the press plate and pressing the key-presses above the two unfilled corners enables punching holes in the corner and margin of the paper.

Abstract: The invention relates to a driver (1) for a twin cutting device (2), which comprises a first blade (4), which is non-rotatably arranged on a drive shaft (11) to be rotated about an axis of rotation (r) in a first direction, and a second blade (3), which is non-rotatably arranged on a drive socket (15), which encloses the drive shaft (11), to be rotated about the same axis of rotation (r) in a second direction opposite to said first direction.

Abstract: A blade for paper punches includes a hollow tubular body with a passage defined axially therethrough and an inclined edge is defined in a lower end of the body. An angle between the inclined edge and a stack of paper sheet is in a range between 15 to 50 degrees. A spring is located in the passage of the body so as to bias a push rod which is movable in the passage to remove debris from the passage.

Abstract: Machine for punching holes through a longitudinal sheet or wheel rim passing in a horizontal direction, using punches, and also for cutting said sheet to obtain sheet portions or pieces. The machine is characterized in that the punching and cutting operations are performed by a single power unit, such as an oleohydraulic cylinder (2) secured to a frame and positioned at the top in a vertical direction. The shaft of said cylinder is connected to a cutter-holding carriage (4) which, as it moves downwards to cut the sheet (10), brings with it an upper support means (19) that forms part of a punching device (6), the punches of which are guided on a lower front carriage (8) that also forms part of the punching device (6).

Abstract: A sheet hole-punching device includes a punch member having a leading end with a hole-punching blade, a base frame for movably supporting the punch member in a hole-punching direction, a drive motor for driving the punch member, and a transmission device for transmitting rotational force of the drive motor to the punch member so as to rotate the punch member. The transmission device is disposed between the drive motor and the punch member. A cam device is disposed between the base frame and punch member, and converts a rotational movement of the punch member into a hole-punching direction movement so as to move the punch member in the hole-punching direction while rotating the punch member.

Abstract: A method of trimming blinds is disclosed in which at least one spacer is attached to a blind to space the headrail, bottomrail, and window covering between the headrail and bottomrail in relative positions that correspond to openings in a cutting device. A portion of the blind that is desired to be cut is then moved into those openings and cut away.

Abstract: Cutting device for cutting strips from a band of material (8). The cutting device is provided with an elongate upper knife (1) and a lower knife (2) that is movable in longitudinal direction along the elongate upper knife (1), for cutting the material (8) by the movement of the lower knife (2) along the upper knife (1). The elongate upper knife (1) can be swiveled to at least substantially abutting contact with the lower knife (2), wherein the swiveling comprises at least a component transverse to the elongate upper knife (1). The upper knife (1) can be swiveled to against the lower knife (2) by means of an electromotor, in particular a servomotor (5), wherein the upper knife (1) exerts a force on the lower knife (2).

Abstract: A hole punching device includes two first punching members and a second punching member intermediate the two first punching members. A first, second and third lever arms are adapted to render one of the two first punching members, another of the two first punching members and the second punching member to press holes on sheets respectively. The first lever arm has a longitudinal length being longer than those of the second and third lever arms, and the second lever arm being longer than that of the third lever arm. Further, the first lever arm actuates the second and third lever arms upon depression of the hole punching device.

Abstract: A punch apparatus for punching holes through a paper stack. The apparatus has a rotationally attached lever handle. The lever handle has a handle end, a contact end, and a rotation axis between the handle end and the contact end. When a downward force is applied to the handle end, the lever handle rotates about the rotation axis. The contact end of the lever handle then exerts a force on a lever arm which in turn rotates a main shaft and attached pressure plate. As a result, the pressure plate exerts a punching force down on punch pins causing them to punch down through the paper stack.

Abstract: The invention relates to a cutting device (1) with a first cutting blade (2) of an upper cutter and a second cutting blade (3) of a lower cutter, with a drive device with at least two rotatably driveable eccentric shafts (10, 11), which are connected at least to the first cutting blade by means of connecting elements (8, 9), wherein at least one of the connecting elements (8, 9) is formed such that it is variably adjustable in length.

Abstract: A compact hole punch device includes a generally vertical entry paper slot with an elongated handle hinged at one end of the punch device extending toward the opposite end of the device along side the paper slot. A chip chamber extends along the punch device opposite the slot from the handle. A roller cam mechanism concentrates forces in a small area of the device to provide a very compact, rigid action. An elongated chip tray is pivotably attached to the chip chamber including a lowered position where chips are easily emptied out an open distal end of the tray.

Abstract: An apparatus for punching and binding a stack of papers is disclosed. The apparatus includes a paper clamp and a binding element insertion device that are movable relative to each other. The binding element insertion device is configured to receive and detect binding elements of different sizes. The apparatus also includes a punching mechanism, a controller, and a user interface. The controller controls movement of the paper clamp and the binding element insertion device based on the size of the binding element needed to bind the stack of papers together. The user interface is configured to provide information to a user of the apparatus and to receive input from the user before, during, and after the punching and binding operation.

Abstract: A hole punch includes a base and a lever system to actuate a punch. The lever system includes a first lever having an end pivotally connected to the first end of the base and a second lever having an end pivotally connected to the second end of the base. Actuation of a free end of the second lever causes the first lever to move. In one embodiment, a lock is operatively coupled to the lever system and engages the first and second levers to hold the levers in a stowed position. In another embodiment, the hole punch includes a third lever having a first end operatively coupled to the first lever and a second end operatively coupled to the second lever.

Abstract: The present invention is an apparatus, system and method for preparing samples for analysis including a mechanical fiber cutting apparatus. The mechanical fiber cutting apparatus has two or more cutter blades under the control of a blade moving mechanism. A fiber chamber is positioned to receive the one or more cut fibers created by the cutting action of the two or more cutter blades. The pressurized gas source connected to the fiber chamber transfers the one or more cut fibers into a sample preparation housing. The one or more cut fibers are distributed randomly onto a sample slide within the sample preparation housing.

Abstract: A paper tool includes a power transmission linkage. The linkage includes a base, a drive link, an input member, and at least three pivots connecting members of the linkage. At least one of the pivots provides for both rotational and translational movement between two members connected by the at least one pivot.

Abstract: The invention relates to a punch press, in which compressive machining is performed on a blank. The punch press includes tools, a ram, a drive element of the ram, and a precise-positioning operating device for moving the drive element of the ram, as well as a precise-positioning moving element for moving the ram in the direction of the tool row to the location of the desired tool. According to the invention the moving element of the ram is arranged to operate using the same moving operating device of the ram.

Abstract: A punching device to form a notch on a sheet by cutting away a portion of a sheet edge, having a punch having a double projection section at an anterior end thereof, wherein the portion of the sheet edge is cut away without apexes of the double projection section coming in contact with the sheet.

Abstract: A paper processing tool includes a base having a receiving area for selectively receiving a sheet of paper. The tool further includes a first lever having a handle portion, the first lever being pivotable relative to the base about a first axis. An intermediate lever is pivotable relative to the base about a second axis in response to movement of the first lever. At least one cutting element is arranged along a cutting plane, the at least one cutting element being configured to selectively engage the sheet of paper. A drive lever is actuable by the intermediate lever to move the at least one cutting element relative to the base. The drive lever is pivotable relative to the base about a third axis parallel to the cutting plane.

Abstract: A punch for forming a die-cut pattern in a sheet inserted into a slit includes a punch cutter and a base having a wall portion with which the sheet comes in contact, the wall portion being constituted of a rear wall portion extending from a frontal center portion to one side of the punch and an inclined wall portion extending rearward to the other side at of the punch an angle of 45 degrees with respect to a line extending from the rear wall portion. In the slit, a first positioning member having a ruler portion extending to one side and a second positioning member having a ruler portion extending to the other side are installed so that the ruler portions are each turnable around the punch cutter positioned therebetween.

Abstract: The invention provides a hole punch structure. More particularly, one end of an exposed longitudinal handle is moved together with a slide rod in a hole-punching mechanism covered by a casing. Thus, when the other end of the handle is pressed down, the slide rod is also moved transversely, a push rod connected to the slide rod is also moved, and a tool shelf is pressed vertically downward to achieve a hole-punching operation of a punching post. This hole punch structure works according to the principle of lever of the longitudinal handle and becomes a completely covered, laborsaving and safe hole-punching apparatus.

Abstract: A hole puncher has a base, multiple cutter brackets, multiple cutters, multiple springs, a linkage, an activating member and a handle. The base has two ends. The cutter brackets are mounted on the base. The cutters are mounted slidably through the cutter brackets. The linkage connects pivotally to one end of the base. The activating member connects pivotally to the linkage. The handle connects pivotally to the other end of the base and selectively pivots the linkage down. With the linkage and the activating member, the hole punch is effort-saving.

Abstract: An apparatus for cutting elements of a window covering, such elements including at least a head rail, the apparatus comprising a holding plate having an opening for holding the head rail in a selected position; a cutting die disposed adjacent to the holding plate and having an opening for receiving the head rail extending therethrough; and a driving means operable to pivot the cutting die relative to the holding plate so as to cut the head rail.

Abstract: A punch assembly for punching a plurality of consecutive sheets each having a first edge and a second edge generally opposite the first edge includes a punch and a transport assembly having a feeding path for feeding the first edge of a sheet in a feeding direction relative to the punch for punching thereof, and a removal path different from the feeding path for removing the sheet from the punch in a removal direction generally opposite to the feeding direction relative to the punch such that the second edge becomes a leading edge.