Abstract: A rectangular tubing, rectangular hole punching device includes a two-sided die carried by a mandrel upon which a rectangular tubing workpiece is sleeved. The two-sided die makes possible a punched rectangular hole having a width extending substantially from one interior lateral side wall of the workpiece adjacent the side of the workpiece being punched to the opposing interior side wall of the workpiece adjacent the side of the workpiece being punched, and includes a pair of tool steel die pieces that are longitudinally spaced from each other. The portions of lateral side walls corresponding to the position of the two sided die within the workpiece are supported against deformation from punching by applying a high compressive force to the portions of the laterally spaced side walls of the workpiece that are in correspondence with the position of the two-sided die, during the punching operation.

Abstract: A weatherstrip manufacturing method is a method for manufacturing a weatherstrip which includes a trim portion where an insert is embedded. The insert includes short connecting portions that connect strips at substantially regular intervals, and a long connecting portion having a larger length than each length of the short connecting portions. The method includes an extrusion molding step for covering the insert with a polymer material, a cut-off portion forming step for cutting off a part of a long interval portion including the long connecting portion in the long interval portion where the long connecting portion is embedded to form a cut-off portion, and a cutting step for cutting the cut-off portion in a crossing direction orthogonal to a longitudinal direction to divide the weatherstrip in the longitudinal direction.

Abstract: The invention relates to a shear bar (20), in particular for a forage harvester or another agricultural or silvicultural machine, having a carrier (21) that comprises a cutting region (30); a plurality of cutting elements (31) being set alongside one another in the cutting region (30); the cutting elements (31) comprising a partial edge and at least some of the partial edges forming a cutting edge (32) that is embodied to form, with a knife bar, a cutting engagement for the material to be shredded; the cutting edge (32) forming a transition between a cutting surface (32.1) that is constituted by the cutting elements (31) and extends transversely to the cutting direction, and an exposed surface (32.2) that extends substantially in a cutting direction and indirectly or directly adjoins the cutting edge (32).

Abstract: A cutting device, having a full-cutting assembly, a half-cutting assembly, and a cam, is provided. The full-cutting assembly includes a first cutting blade and a facing part to cut a tape fully through in a direction of thickness of the tape by rotating a first arm about a first shaft. The half-cutting assembly includes a second cutting blade and a supporting base to cut the tape partly in the direction of thickness by rotating a second arm about a second shaft. The cam is rotatable bidirectionally about a third shaft and has a cam face, on which a first pressing part to press the first arm and a second pressing part to press the second arm are arranged. A distance between the cam face and the second arm is smaller than or equal to a distance between the cam face and the first arm.

Abstract: A cutting device of a scissors type includes a fixed edge, a movable edge, and a support shaft configured to support the fixed edge and the movable edge to be capable of mutually rotating. A movable edge main body of the movable edge including a cut-off edge is cut into, centering on the support shaft, a fixed edge main body of the fixed edge including a cut-off edge. The cutting device includes a receiving member provided along at least an edge front side of the fixed edge main body and an edge front side of the movable edge main body and a pressing section configured to press at least one of the fixed edge main body and the movable edge main body to tilt in the opposite direction of the receiving member to be received by the receiving member.

Abstract: Devices, kits, and methods for manipulating crayons to make various crayon configurations are provided. Embodiments of the invention include a crayon slicer, a crayon shaver, a crayon holder, a crayon notcher, a crayon shaving kit, and a crayon rubbing kit. The multiple embodiments of the invention have various features that allow for a crayon to be easily and safely manipulated by a user in multiple ways. Further, additional embodiments provide additional features, which allow the user to make various crayon configurations.

Abstract: A cutting device of a scissors type includes a fixed edge, a movable edge, and a support shaft configured to support the fixed edge and the movable edge to be capable of mutually rotating. A movable edge main body of the movable edge including a cut-off edge is cut into, centering on the support shaft, a fixed edge main body of the fixed edge including a cut-off edge. The cutting device includes a receiving member provided along at least an edge front side of the fixed edge main body and an edge front side of the movable edge main body and a pressing section configured to press at least one of the fixed edge main body and the movable edge main body to tilt in the opposite direction of the receiving member to be received by the receiving member.

Abstract: The present invention provides a shearing die having longer life and a method for manufacturing the same. The shearing die includes a pair of substrates, at least one of which has a hard film formed by an arc ion plating method and located at least on a region of a curved surface and on an adjacent region from the end part of the curved surface on the side facing to the surface of the sheet or plate material to 300 ?m along the surface of the substrate. The hard film comprises Al and one or more of Ti and Cr, and has a thickness of 1 to 5 ?m, such that a number of metal particles having a diameter of 20 ?m or more, which are present on a line segment having a length of 10 mm on a surface of the hard film, is 2 or less.

Abstract: With known trimming shears having a pair of scrap-cutting blades on the discharge side, the moving upper scrap-cutting blade must be moved as closely as possible past the trimmed plate edge in order to push the cutoff edge still hanging on the plate downward against the lower fixed scrap-cutting blade, which requires precise adjustment of the upper scrap-cutting blade. To that end, according to the invention, the distance between the upper scrap-cutting blade (2) or the lower scrap-cutting blade (3) and the trimming blade plane (5) is set prior to trimming in accordance with the thickness of each heavy plate (10) to be trimmed by displacement of the upper scrap-cutting blade (2) and/or the lower scrap-cutting blade (3) in a displacement direction with at least one component transverse to the trimming blade plane (5).

Abstract: A method for manufacturing a toothbrush filament trimmer includes providing a cutter and a counter knife each comprised of hot-working steel, wherein the cutter and the counter knife include at least a recess suitable to carry a coating to form a cutting edge; depositing a first material onto the at least one recess of the cutter and/or the counter knife to form a first layer; depositing a second material onto each first layer to form a second layer, wherein at least a carbide of at least one element of the fourth, the fifth, the sixth and/or the seventh group of the periodic table is used as the second material; and sharpening the coating comprising the first layer and the second layer applied to the at least one recess of the cutter and/or to the at least one recess of the counter knife, wherein a cutting edge is formed.

Abstract: A cutting device and a printer having a cutting device eliminate paper jams and other transportation problems that can occur as a result of the cutting device cutting the paper, and can cut and reliably discharge the paper in a stable condition. The cutting device has a fixed knife 21, a transportation path 13 through which label paper 11 is conveyed, and a movable knife 22 that moves bidirectionally to the fixed knife 21 and cuts the label paper 11 on the upstream side of the fixed knife 21 on the transportation path 13. A catching unit 22b is disposed to the surface of the movable knife 22 on the upstream side of the transportation path 13, and catches the cut end of the label paper 11 after the movable knife 22 moves to the fixed knife 21 side and cuts the label paper 11.

Abstract: The present invention relates to a mobile device for destroying data carriers, such as hard disks. The mobile device according to the invention may include clamping means for inhibiting and/or preventing pieces of disk from being pulled out of the hard disk during the cutting. The invention also provides a corresponding method.

Abstract: A cutter unit that includes a conveying mechanism, a first blade, and a second blade. The conveying mechanism conveys a print paper having a print surface and an adhesive surface. The first blade is provided on a conveying path of the print paper conveyed by the conveying mechanism to face the print surface of the print paper. The second blade is provided on the conveying path to face the adhesive surface. The second blade includes a cutting surface configured to cut the print paper inserted between the second blade and the first blade, and a contact surface configured to contact the adhesive surface of the print paper on the conveying path. The contact surface of the second blade is coated with an adhesion-retardant agent.

Abstract: The present disclosure describes various embodiments, as well as features and aspects thereof, of a system, for a shear, of fully indexable cutting portions comprises at least one blade and a plurality of substantially identical indexable cutting portions. The at least one blade is configured to mechanically receive a plurality of indexable cutting portions. The plurality of substantially identical indexable cutting portions are arranged on the at least one blade to form a composite angled cutting edge. The composite angled cutting edge comprises at least one angle. Each indexable cutting portion comprises a coupling portion and eight edges. The coupling portion of each indexable cutting portion is configured to mechanically engage the indexable cutting portion to the at least one blade.

Abstract: Disclosed is a system and method providing an improved blade design and arrangement for a mobile shear. The blades in the upper and lower jaws of the shear may be removable, reversible and interchangeable, thereby providing the user with the ability to increase the life of the blades by rotating them when excessive wear is realized on the exposed edges.

Abstract: There is disclosed composite material lay-up equipment 10 for applying a plurality of individual lengths of elongate fibre reinforcement material 14 to an article 12, the equipment 10 comprising: a support head 20; a cutting mechanism 22 carried by the support head 20 for severing a plurality of individual lengths of elongate fibre reinforcement material 14. The cutting mechanism 22 comprises a plurality of cutting elements 60 coupled to and moveable with respect to the support head 20 and a cassette 65 removably attached to the support head 20 and having a plurality of corresponding counteracting elements 76 statically mounted thereto. Each cutting element 60 is displaceable relative to the corresponding counteracting element 76 to perform a cutting stroke in which the respective cutting and counteracting elements 60, 76 cooperate to sever a length of elongate fibre reinforcement 14 material extending through the nip formed between them.

Abstract: A knife assembly for attachment to an industrial paper trimming or cutting machine having a primary blade and a backbone blade where the cutting edge of the backbone blade is offset at an angle ? from the cutting edge of the primary blade. The knife assembly is removably attached to a cutting machine configured to move in a reciprocating motion to trim edges from soft bound single paper products.

Abstract: A cutter unit includes a conveying mechanism, a first blade and a second blade. The conveying mechanism conveys a linerless label having an adhesive-applied surface on which an adhesive agent is applied. The first blade is provided to face an opposite side from the adhesive-applied surface of the linerless label. The second blade is provided to face the adhesive-applied surface of the linerless label. The second blade includes a cutting portion configured to cut the linerless label inserted between the second blade and the first blade, and a supporting portion configured to support the adhesive-applied surface of the linerless label downstream of the cutting portion in a conveying direction of the linerless label.

Abstract: An assembly for coping and mounting trim molding is provided. A trim holding device for mounting a finish trim molding and a coping device are provided. The coping device includes a platform, having a back, into which to place a finish trim molding for coping and cutting, and a blade assembly having a cutter blade and configured to be manually actuated by a lever. The blade assembly is adjustable and is configured to rotate. The cutter blade is configured specifically to a size and a shape of the finish trim molding to be cut and coped. The mounting device includes a bracket, having a pair of mounting flanges, configured for placement along a wall. The bracket and flanges form generally an “F” shape trim holding device. The flanges are configured to securely hold a finish trim molding without the use of nails, glues, and adhesives.

Abstract: A sheet punching apparatus capable of improving the accuracy of movement distance of a movable member and maintaining the durability of a drive unit of the apparatus. A sheet post-processing apparatus controller computes a time period corresponding to an amount of overrun of a slider at the time of stopping the slider in an initial operation. In a punching operation, the sheet post-processing apparatus controller starts a punch motor at a timing earlier by the computed time period corresponding to the amount of overrun than a stop timing of a conveyance motor.

Abstract: A cutter die has an upper body and a lower body having first and second cutting blades which encapsulate a rope. A first blade holder retains the upper body and a second blade holder retains the lower body. The first blade holder has an edge for supporting the wire rope and the second blade holder has an edge for supporting the wire rope. The first cutting blade and the second cutting blade can have cutting edges which are cantered and offset. A cutter tool has a first cutting blade and first retainer; a second cutting blade and a second retainer; and a cutting jaw assembly. The first and second cutting blades and said first and second retainers are secured to first and second jaws of jaw assembly and positive stops are formed on the first and second jaws.

Abstract: The invention relates to a shearing blade (2) for a cutting device (1), comprising a main body (3) that has a seat (11) and a blade insert (4) that is arranged on the seat (11) and forms a cutting wedge (8), wherein the cutting wedge (8) forms a cutting edge (6) by means of a flank face (9) and a pressure face (10) at an angle to the flank face. The seat (11) has at least one undercut face (13, 28) that acts in a direction transverse to the flank face (9). When the blade insert (4) is inserted, the undercut face (13, 28) interacts with at least one form-closure face (16, 27) formed on the blade insert, whereby a form closure taking effect transversely to the flank face (9) is established. The blade insert (4) is fastened to the main body (3) by means of at least one pin-shaped plug-in connection element (5), which is oriented perpendicular to the flank face (9) and which is arranged in aligned holes (18, 19) in the main body (3) and in the blade insert (4).

Abstract: In a first aspect there is provided a cutting apparatus for cutting material by a shearing action. The cutting apparatus comprises a first arm comprising a first cutting blade and a second arm comprising a second cutting blade. The second arm is operatively associated with the first arm and mounted relative to the first arm so as to define a cutting region between the first cutting blade and the second cutting blade in which cutting region a cutting operation of material is in use effected as a result of cooperation between the first cutting blade and the second cutting blade. At least one of the first and the second arm is operatively mounted so as to pivot about a pivot axis relative to the other arm.

Abstract: A receipt printer having a scissor cutter for cutting off a receipt from a paper roll. The scissor cutter includes a moving blade that articulates across an adjustable stationary blade. The adjustable stationary blade is adjustable laterally according to whether a full cut or a partial cut across the paper roll is desired. If a full cut is desired, the stationary blade is positioned against the full width of the paper roll. If a partial cut is desired, the stationary blade is positioned against only a portion of the width of the paper roll.

Abstract: A sheet cutter includes: a stationary knife including a straight blade part formed in a straight-line shape in a longitudinal direction; a movable knife including a cutting edge part formed in the shape of V-character, opposed to mesh with the straight blade part of the stationary knife, the movable knife being able to freely move toward or back from the stationary knife; a movable knife pressing member for pressing the movable knife against the stationary knife; and a movable knife driver driving the movable knife forward or backward. The movable knife pressing member pressure contacts the movable knife against the stationary knife by a compression coil spring contained inside the movable knife pressing member.

Abstract: A through beam shear angle change, cutting blade deflection detector including a cutting member within a shear box of a recycling machine, a through beam sensor including an emitter disposed on the cutting member and a receiver disposed on the cutting member, the receiver being disposed relative to the emitter for receiving a signal emitted from the emitter, and a controller connected to at least the receiver, the controller being configured to determine an amount of cutting member deflection based on an output of the receiver.

Abstract: A cutting apparatus configured for aligned with a gate of an injection molding part, includes a bottom board, a main adjustable mechanism attached to the bottom board, and a cutting mechanism. The main adjustable mechanism includes a driving device, a mounting member attached to the driving device, and a rotatable member rotatably attached to the mounting member. The rotatable member can be rotatable relative to the mounting member between a first position, where an acute angle is formed between the rotatable member and the mounting member, and a second position, where the rotatable member parallel to and abuts the mounting member.

Abstract: In a scissor type automatic cutter 20, as the movable knife 22 pivots, adhesive between the web liner 11a and the continuous label 11b medium is squeezed out from the label paper 11 at the distal end side of the movable knife 22 and sticks to the fixed knife 21 or the movable knife 22. Because a notched opening 44 is formed in the upstream edge 50a in the paper discharge direction at the other edge part in the paper width direction of the substantially horizontal stage surface 40, if adhesive sticking to the fixed knife 21 or movable knife 22 moves to the stage surface 40 side, the adhesive can be removed from the notched opening 44 and does not accumulate on the stage surface 40. As a result, cutting problems caused by penetration of accumulated adhesive between the fixed knife 21 and movable knife 22 can be prevented.

Abstract: A cutter die has an upper body and a lower body having first and second cutting blades which encapsulate a rope. A first blade holder retains the upper body and a second blade holder retains the lower body. The first blade holder has an edge for supporting the wire rope and the second blade holder has an edge for supporting the wire rope. The first cutting blade and the second cutting blade can have cutting edges which are cantered and offset.

Abstract: A printing apparatus includes a transfer mechanism that transfers a print medium, a printing device that prints on the print medium, a stationary blade that is provided on a downstream side in a transfer direction of the print medium further than the printing device to cut the print medium, a movable blade that is provided on a downstream side in a transfer direction of the print medium further than the printing device and that cut the print medium, and a step portion that is provided on a reverse face of the downstream blade which is located on downstream side in transferring of the print medium, the reverse face being reverse of a slide face of the downstream blade sliding on the upstream blade which is located on upstream side in transferring of the print medium, and that projects along a thickness direction of the downstream blade.

Abstract: An improved guillotine cutter for a printer is disclosed. The guillotine cutter includes a guillotine blade having a cutting motion that helps to urge the cut media from the exit chute of the frame. This reduces the likelihood of the cut media becoming pulled into the frame of the cutter, requiring that the user fish the cut media out. The guillotine cutter further provides a frame having integrated bearing surfaces for supporting many of the movable components of the cutter. This minimizes the complexity of the assembly of the cutter, reducing the number of parts (by elimination of separate bearings and other such additional components) and time required to assemble the cutter.

Abstract: An apparatus for cutting unit dose blisters from a blister card is provided. The apparatus may include a blade, a guillotine head and a card holder. The guillotine head may be operatively coupled to the blade. The guillotine head may be configured to move the blade through a range of motion that intersects a plane of a platform on which the blister card is positionable for cutting. The card holder may be operatively coupled to the guillotine head to hold the blister card against the platform in advance of the blade being moved through the plane of the platform. The blade may be biased to maintain a surface of the blade in contact with a cutting base at least until the blade intersects the plane of the platform.

Abstract: A cutting mechanism for a printing apparatus that cuts a printing medium and includes a fixed blade having first through holes and a movable blade having second through holes and slidingly movable with respect to the fixed blade, wherein each of first openings of the first through holes on a first sliding face is at least partly included in a first overlapping portion, each of second openings of the second through holes on a second sliding face is at least partly included in a second overlapping portion, and the first openings and the second openings are located at positions such that the first openings and the second openings do not overlap completely with each other in a direction orthogonal to a movement direction of the movable blade with respect to the fixed blade.

Abstract: It is proposed to prevent deformation of the tips of outer side walls of insert fitting recesses provided at the distal end of a jaw, thereby improving durability of the jaw and preventing breakage of the bolts. Insert fitting recesses (22) are formed on both sides of a movable jaw (4) movable between open and closed positions relative to the fixed jaw (3) at its distal end. Shear inserts (23) are fitted in the respective insert fitting recesses (22) and fixed in position by tightening bolts (30) for shearing an object (A) to be cut in cooperation with shear blades (12, 15 and 16) mounted at the distal end of the fixed jaw (3).

Abstract: Provided is a movable blade including, at a part including a movable blade leading edge which engages with a stationary blade, a blade edge portion which is thinned toward the movable blade leading edge. The blade edge portion is formed by shaving.

Abstract: A cutter includes a male blade, a female blade, an advancement and retraction controller and a suction device. The male blade includes: a linear cutting portion linearly shaped with a predetermined thickness in a center part; a rounded cutting portion where a radius having a substantially arc shape in planar view is continuously formed from the linear cutting portion; and an end provided adjacent to the rounded cutting portion. The female blade has a fitting portion that is a hole conforming to the profile of the male blade in planar view and to which the male blade is fitted. On a lateral side of the female blade, an elongated hole for inserting a base film from one lateral side to the other lateral side is formed as an insertion portion.

Abstract: Apparatus and methods to adjust the lateral clearance between upper and lower blades of shearing machines are described. An example apparatus includes a first blade opposite a second blade and movably coupled to a frame of the shear press via a ram, wherein the first and second blades are to receive a strip material. A lateral clearance adjustor slidably coupled to the ram shifts the first blade laterally relative to the second blade. A sensor determines a clearance position and a first drive member moves the lateral clearance adjustor from an initial position to the clearance position. A second drive member operatively coupled to the ram drives the first blade toward the second blade to shear the strip material.

Abstract: An apparatus for blanking a printed circuit film includes a die unit and a punch unit movable with respect to the die unit. The die unit includes a plate, and an insert member which is on a top surface of the plate and supports a region of a base film which is punched. The insert member supports the base film including a plurality of printed circuit films, and as a punch is lowered, the punch punches the base film and is inserted in an opening of the insert member so as to blank the printed circuit film. The insert member further includes a plurality of assembled detachable frames which define the opening of the insert member.

Abstract: A pair of shear blades and a blowout preventer having the pair of shear blades. The shear blades are configured to cut a tubular inside the blowout preventer. The shear blades have different geometries of the front cutting surfaces. One geometry promotes a secure positioning of the tubular relative to the first blade while the second geometry promotes a puncturing of the tubular by the second blade.

Abstract: The invention relates to a device for preparing tissue discs, in particular cartilaginous discs. A device for preparing tissue discs that is of simple structure and ensures safe handling includes, in addition to a clamping device for securing a tissue block by clamping, at least one cutting device for treating the tissue block held in the clamping device.

Abstract: An improved shear cutting blade comprising a plurality of opposing countersunk fastener holes and four cutting edges is disclosed. Four cutting edges and two mounting surfaces are provided, along with threaded, countersunk holes to allow fasteners to secure the blade in multiple orientations. The blade is ideally utilized in a compacting and baling process, wherein loose scrap metal and other material are pressed from a collection point and into a compaction chamber, wherein the blade is passed over the material as it is pressed into the chamber, shearing the debris into a compact, baled form. The blade can be rotated and secured against either mounting surface, and rotated to allow use of any of its four cutting edges, providing reusability and improved service life of a single blade during operation.

Abstract: A forming machine comprises a shearing device for shearing off a section of a bar stock, a forming station for forming the sheared off bar stock section and a transport device for the bar stock. The shearing device has two shearing blades, of which one is movable transverse to the longitudinal extension of the bar stock. The shearing blades each have an assembly block and a shearing insert attached to this. For one of the shearing blades, the shearing insert is made of a heat-resistant, break-proof and thermal shock-resistant hard material and essentially has the form of a cylindrical half-shell. This shearing insert is arranged in a reception recess of the assembly block, which is adapted in shape, and is releasably clamped to the assembly block by means of screwed clamping blocks.

Abstract: The invention features an indexable wear plate/piercing tip insert that is configured to be removably and repositionably attached to the front, nose portion of the upper, movable jaw of a metal demolition shears. The insert functions as both a wear plate and a piercing tip and is indexable in that a non-worn or less worn portion of the wear surface of the wear plate portion of the insert, and non-worn shearing and piercing edges of the piercing tip portion of the insert, can be presented simultaneously simply by rotating the insert 180° and reattaching it to the nose portion of the upper, movable jaw of a metal demolition shears.

Abstract: In a shearing device (10), a plate-like work piece (50) is seated on a die (20) positioned on a lower side thereof is clamped by a pad (30), so that a predetermined portion of the work piece (50) is processed into a predetermined shape by a punch positioned on an upper side thereof. The punch (40) integrally has a heel portion (41). The heel portion is so as to broadly contact an outer peripheral face (51) of the predetermined portion to be processed of the work piece (50), thereby restraining the outer peripheral face (51) from moving in an outward direction perpendicular to a thickness direction.

Abstract: A motorized head for applying fiber composite material to an application surface includes a drive roll assembly for applying fiber composite material to an application surface. The drive roll assembly includes a drive roll and a backup roll and a drive roll nip formed between the drive roll and the backup roll. At least one cutter is mounted on the drive roll for cutting fiber composite material, and an anvil is mounted on the backup roll to provide a shear surface for the cutter blade.

Abstract: An alloy, such as a tool steel containing, in percent by weight, 0.5%-0.7% carbon; 1.80%-2.50% chromium; 0.90%-1.20% molybdenum; 3.50%-5.50% nickel and 0.60%-1.50% vanadium. The steel alloyed accordingly is eminently suitable for heat treatments for influencing strength. With a carbon content of less than 0.7%, a partially martensitic metal structure having a high ductility can be formed by way of hardening processes. Due to surface hardening, the carbon content may in some portions on the outer surface be greater than 0.7%.

Abstract: The present invention provides a shearing die having longer life and a method for manufacturing the same.

Abstract: A trimmer for trimming brochures has lower blade holders and upper blade holders for top cutting blades and bottom cutting blades lying opposite them. The trimmer further has a guide rail configuration and tensioners by which the lower blade holders can be locked on the guide rail configuration. Accordingly, the tensioners can be actuated from one and the same side of the trimmer. This has an advantageous effect on the time required for changing over the trimmer from one brochure format to another.

Abstract: A VCT tile cutter comprises a movable top blade and a fixed bottom blade capable of shearing a VCT tile. The cutter includes a blade carrier in which the top blade can be slid horizontally in relation to the fixed position of the bottom blade beneath it. In this way, an outer edge of the top blade can be slid horizontally and positioned over a point in a tile that corresponds to the end point of a desired partial cut in the tile. When a crankshaft mechanism is activated, the blade creates a partial cut in the tile from the perimeter of the tile to a point in the tile corresponding to the location of the end of the movable blade. The blade may be straight or faceted and may have partially or completely relieved edges to enhance the capability of the cutter to perform partial cuts in the tile.

Abstract: A through beam shear angle change, cutting blade deflection detector including a cutting member within a shear box of a recycling machine, a through beam sensor including an emitter disposed on the cutting member and a receiver disposed on the cutting member, the receiver being disposed relative to the emitter for receiving a signal emitted from the emitter, and a controller connected to at least the receiver, the controller being configured to determine an amount of cutting member deflection based on an output of the receiver.