Abstract: An apparatus for grinding solid waste, the apparatus comprising: a first plurality of grinding blades parallel to one another and disposed on a first axle perpendicular to an axis thereof; a second plurality of grinding blades parallel to one another and disposed on a second axle perpendicular to an axis thereof, the axis of the second axle being parallel to the axis of the first axle, wherein the first and second plurality of blades are interleaved and adapted for counter-rotation with respect to each other; a set of gears operatively connected to each of the first and second axles; and means for driving the set of gears to effectuate rotation of each set of grinding blades.

Abstract: The present invention provides an apparatus comprising a substrate and first and second disks. The disks are rotatably located over the substrate, each disk having an outer circumference with teeth thereon. The first disk is positioned to interleave one or more of its teeth with the teeth of the second disk. The substrate includes a channel with an exit port located near the teeth of one of the disks. Another apparatus comprises at least one disk rotatably located over a substrate and in a well of the substrate, the disk having an outer circumference with teeth thereon. The disk is positioned to provide a maximum distance of less than about 10 microns between each one the teeth and a nearest wall defining the well. The substrate includes a channel with an exit port located near the teeth of the disk.

Abstract: A shredder includes a housing having a throat for receiving articles be shredded and a shredder mechanism. The shredder mechanism includes a motor and cutter elements, and enables the articles to be shredded to be fed into the cutter elements. The motor drives the cutter elements to shred the articles. A cam mechanism is provided in the throat and is movable from a disengaged position to an engaged position responsive to insertion into the throat of articles above a predetermined maximum thickness threshold. In the engaged position, the cam mechanism engages the articles to prevent further insertion thereof into the throat, and in the disengaged position the cam mechanism is disengaged from the articles to permit further insertion thereof into the throat. The cam mechanism may be movable between a closed position and an open position. In the closed position, the cam mechanism is configured to block the throat.

Abstract: A paper shredder includes a housing, cutters positioned in the housing, and a feeder base adapted to support a stack of paper. The feeder base includes a feeder slot. A pressure plate is mounted for movement above the feeder base. The pressure plate is mounted to a bottom surface of a feeder door that substantially covers the entire feeder base and is pivoted about an axis at one end of the feeder door. The pressure plate is a one-piece member that spans the feeder slot.

Abstract: A shredder is disclosed. The shredder includes a housing having a throat for receiving at least one article to be shredded, and a shredder mechanism received in the housing and including an electrically powered motor and cutter elements. The shredder mechanism enables the at least one article to be shredded to be fed into the cutter elements. The motor is operable to drive the cutter elements so that the cutter elements shred the articles fed therein. The shredder also includes a detector that is configured to detect a thickness of the at least one article being received by the throat, and a controller that is operable to perform a predetermined operation responsive to the detector detecting that the thickness of the at least one article is at least equal to a predetermined maximum thickness.

Abstract: A rotary crushing pair with uneven surfaces for cone crushers and roller crushers includes: a first crushing part and a second crushing part interacting with each other, wherein two crushing surfaces forming the crushing pair are uneven surfaces; the uneven surfaces are formed by single-helical ribs, loop ribs, mesh-like ribs, etc. By replacing a conventional solid smooth plate-like design with an uneven surface design of the rotary crushing pair, a main crushing mechanism, pressing, of conventional cone crushers and roller crushers is replaced by a combination of effective crushing mechanisms such as splitting, folding, twisting and cutting for fully eliminating slipping and greatly increasing crushing efficiency of the crusher.

Abstract: A shredder includes a paper placement platform, a feeding roller assembly, and a shredding knife assembly. The paper placement platform includes four recesses. The four recesses are located adjacent to four corners of the paper placement platform, respectively. Moreover, plural clip removing bulges are discretely protruded from and arranged on a top surface of the paper placement platform beside each recess. The feeding roller assembly is arranged between the paper placement platform and the shredding knife assembly and exposed to the paper placement platform. During the paper on the paper placement platform is driven by the feeding roller assembly to be moved toward the shredding knife assembly, an edge of the paper is transferred through the plural clip removing bulges, so that a paperclip at the edge of the paper is blocked by the plural clip removing bulges to be separated from the paper.

Abstract: A blade set for paper shredders is disclosed. In one embodiment, a notched blade having at least two notches in proximity to a central hole is brought into contact with a mating blade also having a central hole. Force is applied to the mating blade in such a fashion as to displace some of the body of the mating blade into the notches. This acts to substantially secure the blades together. In another embodiment, the notches are disposed on the edge of the blade and through the periphery. In yet another embodiment, one blade can have holes and not notches.

Abstract: A shredder for producing particles from a sheet material is disclosed herein. The shredder can have a longitudinal cutting device with a first cutting roller and a second cutting roller. A transverse cutting device can be positioned after the longitudinal cutting device. The first cutting roller and the second cutting roller can each have special profiles.

Abstract: A device for disaggregating crop field additives that have been aggregated due to conditions such as compression or moisture. The device comprises a series of spined rollers in parallel orientation extending across an open passage, the rollers rotated by a motor such that the spines can break apart the aggregates falling through the open passage before application of the additives.

Abstract: Methods and systems for recycling a periodical are described. The methods may include the step of providing periodical information about the periodical to a recycling device, where the periodical is deposited with the recycling device. The methods may further include calculating one or more of discount offers based on the periodical information, and displaying the one or more of discount offers at the recycling device. One or more of the discount offers may be selected at the recycling device, and the selected offers may be printed into a ticket, coupon, or some other printed material at the recycling device.

Abstract: A waste disposal unit for biologically hazardous waste includes a waste reception mechanism for receiving un-shredded waste, a housing having an interior containing a shredder mechanism and a storage volume for receiving shredded waste from the shredder mechanism. The housing is configured to prevent external access to the interior of the housing. In a first configuration of the waste reception mechanism, un-shredded waste may be received and access from the waste reception mechanism to the interior of the housing is closed. In a second configuration of the waste reception mechanism, access from the exterior of the waste disposal unit into the waste reception mechanism is closed and access from the waste reception mechanism into the interior of the housing is open to permit un-shredded waste to pass from the waste reception mechanism to the shredder mechanism. The waste disposal unit is engaged by a detachable shredder drive mechanism.

Abstract: A shredder including a housing having a throat for receiving articles to be shredded, a shredder mechanism, a blocking member, and an electrically powered motor and cutter elements. A thickness detector comprises a contact member extending into the throat. The shredder includes an actuator for moving the blocking member between a retracted position and an extended position. The actuator and the thickness detector are coupled to enable the actuator to move the blocking member from the retracted position to the extended position responsive to the movement of the contact member by insertion into the throat of the at least one article above a predetermined maximum thickness threshold. The blocking member is configured such that in the extended position the blocking member prevents further insertion of the at least one article into the throat, and in the retracted position the blocking member permits further insertion thereof into the throat.

Abstract: Devices for application of lubricant to the cutting mechanism of paper shredders. Maintenance and lubrication can be performed by applying lubrication agents to the cutting mechanism of a paper shredder without requiring disassembly of the paper shredder. The agents can also include scented agents and decomposing agents or a combination thereof. Lubrication sheets are configured to apply agents to the cutting mechanism of paper shredders. A holder can be positioned on a housing of a paper shredder for retaining one or more lubrication sheets within proximity of the shredding mechanism of the paper shredder. Paper shredders may include means for identifying when lubrication is needed and/or when the cutting mechanism of the paper shredder has been lubricated by a lubrication sheet.

Abstract: The invention relates to a twin-shaft shredder for shredding solids or liquid-borne solids, comprising a casing, a first and a second shaft rotatably mounted in the casing, a plurality of first cutting disks on the first shaft, a plurality of second cutting disks on the second shaft, wherein the first and second cutting disks are axially offset relative to each other, at least some of the first cutting disks respectively engage in an interspace between two adjacent second cutting disks and some of the second cutting disks respectively engage in an interspace between two adjacent first cutting disks.

Abstract: Disclosed is a shredder including a detector having a first contact member on one side of the shredder's throat and a second contact member on the other side. The contact members extend into the throat and are independently moveable relative to one another to enable insertion of an article into the throat. The article can move the contact members relative to one another by a combined amount. The shredder may prevent its motor from driving its cutter elements if it determines that the combined amount of independent relative movement correlates to a thickness that is equal to or greater than a predetermined maximum thickness. In an embodiment, the contact members may include binary switches. The contact members aid in controlling and/or reducing flutter and wrinkles when articles are fed into the shredder.

Abstract: An anti-jam assembly for incorporation in an article destroying appliance includes a fixed core mount assembly including a first support member spaced apart from a second support member. At least one moveable cutter shaft is disposed between and rotatably mounted to the first and second support members. A third elongate member extends in parallel relationship to the at least one cutter shaft. This third support member is moveable from a first position to at least a second position. The first and the at least second position correspond to a variable width of a feed path directing an article toward the at least one cutter. An arm is affixed to the elongate member and pivotal at a mounting surface when the elongate member moves toward the second position. A sensor activates when it detects movement of the arm. The arm and the sensor are removed from a proximity of the at least one cutter or the feed path.

Abstract: A shredder includes a housing having a throat for receiving at least one article to be shredded, and a shredder mechanism received in the housing and including an electrically powered motor and cutter elements. The shredder also includes a detector that is configured to detect a thickness of the at least one article being received by the throat, and a controller that is configured to operate the motor to drive the cutter elements to shred the at least one article and to set a flutter threshold higher than the predetermined maximum thickness threshold, if the detected thickness is less than a predetermined maximum thickness threshold. The controller is also configured to thereafter continuously detect the thickness of the at least one article being inserted into a throat of the shredder; and to perform a predetermined operation responsive to the thickness detector detecting that the thickness of the at least one article is greater than the flutter threshold.

Abstract: A paper shredder includes a housing, cutters positioned in the housing, and a feeder base adapted to support a stack of paper. The feeder base includes a feeder slot. The feeder base further includes a first aperture on one side of the feeder slot, the first aperture providing a first communication pathway between a top surface of the feeder base and a waste area below the feeder base, and a second aperture on a same side of the feeder slot as the first aperture, the second aperture providing a second communication pathway between the top surface of the feeder base and the waste area below the feeder base. The first and second communication pathways are separated from one another.

Abstract: A shredder includes a housing having a throat for receiving at least one article to be shredded, and a shredder mechanism having a motor and cutter elements. The shredder also includes a detector that is configured to detect a thickness of the at least one article being received by the throat, and a controller that is configured to operate the motor to drive the cutter elements to shred the at least one article and to set a flutter threshold higher than the predetermined maximum thickness threshold, if the detected thickness is less than a predetermined maximum thickness threshold. The controller is also configured to thereafter continuously detect the thickness of the at least one article being inserted into a throat of the shredder; and to perform a predetermined operation responsive to the thickness detector detecting that the thickness of the at least one article is greater than the flutter threshold.

Abstract: A paper clearing device for a shredder includes a frame, a motor, a gear set, a first rotary shaft, and a second rotary shaft. The first rotary shaft and the second rotary shaft are mounted with several cutting blades and paper guides. The paper guides on at least one rotary shaft are half paper guides. When paper jams in the shredder, the user only needs to issue a paper back command, which causes the rotary shafts to rotate in a reverse direction, causing paper to back away from the cutting region between the cutting blades and instead pass over the respective shaft with the half paper guides, optionally with the assistance of a paper clearing driver, and through an opening at the back, non-cutting side of the respective shaft to fall into a trash bin from which the jammed paper can be readily removed.

Abstract: A shredder includes a housing having a throat for receiving at least one article to be shredded, a shredder mechanism received in the housing and including a powered motor and cutter elements used to shred the at least one article, a detector configured to detect a presence of the at least one article being received by the throat, and a controller coupled to the motor and the detector. The controller is configured to allow a running operation of the motor responsive to the detector detecting an article being received by the throat. Also, after a predetermined amount of time, the controller may stop operation of the motor if an article is not inserted into the throat. A thickness detector may also be used in the shredder.

Abstract: A shredder includes a housing having a throat for receiving at least one article to be shredded, and a shredder mechanism received in the housing and including an electrically powered motor and cutter elements. The shredder also includes a detector that is configured to detect a thickness of the at least one article being received by the throat, and a controller that is configured to operate the motor to drive the cutter elements to shred the at least one article and to set a flutter threshold higher than the predetermined maximum thickness threshold, if the detected thickness is less than a predetermined maximum thickness threshold. The controller is also configured to thereafter continuously detect the thickness of the at least one article being inserted into a throat of the shredder; and to perform a predetermined operation responsive to the thickness detector detecting that the thickness of the at least one article is greater than the flutter threshold.

Abstract: A roller shell for a conditioning roller has grooves extending in the axial direction and grooves extending in the circumferential direction. The grooves extending in the axial direction are deeper than the grooves extending in the circumferential direction.

Abstract: A paper shredding mechanism has two rows of shredding units rotating in opposite directions. Each unit has a flat body, with a periphery and left and right sides, and at least one piercer projecting from the periphery for piercing and cutting a paper sheet fed between the two rows. The piercer cuts in a first direction, transverse to the paper feeding direction, and has a shearing edge on each of the left and right sides, alongside the periphery. The piercer has a cutting edge which extends across the left and right sides of the body. The shearing edge of each of the units bears laterally against the shearing edge of an adjacent unit. The two shearing edges together act as shears, cutting the paper sheet in a second direction, parallel to the feeding direction.

Abstract: A shredder includes a cutting assembly capable of shredding paper mounted in a shredder housing and a detector mechanism capable of shutting off the cutting assembly in response to detecting a force applied to the cutting assembly.

Abstract: The installation comprises a defibration sheath with an inlet for wood chips, an outlet fir fibers, and two parallel rotative screws. The screws mesh with each other via their respective threads, which have at least an upstream and a downstream series of segments, with a drive upstream zone having forward threads, and a braking downstream zone having reverse threads with notches that are smaller in the braking downstream zone of the downstream series than in the braking downstream zone of the upstream series. The number of notches per thread in each braking zone is 2 to 6, and the section-to-output ratio RSO of the sum of the sections of the notches of a thread of the braking downstream zone of the downstream series to the fiber output rate is 60 mm2/m3h?1 to 80 mm2/m3h?1.

Abstract: A plastic shredder is provided for shredding plastic and depositing it directly into a garbage receptacle. An interior channel extends between a top and a bottom of a housing. An upper roller and a lower roller are positioned in and extend across the interior channel. The upper roller is positioned parallel to the lower roller in spaced relationship forming a gap. Upper teeth extend from an outer surface of the upper roller. Lower teeth extend from an outer surface of the lower roller. The lower teeth mesh with the upper teeth for pulling plastic through the gap where the plastic is shredded. A lip extends outwardly from a middle section of the outer wall of the housing. The lip is positionable to engage an upper edge of a container such that the interior channel empties into the container for collecting the plastic after the plastic is shredded.

Abstract: An apparatus and a method for receiving and destructuring collectable items, the apparatus having at least one item destructurer (112,113) at an exit of the apparatus. The apparatus comprises an item receiving floor (114); an item pusher (115) reciprocally slidable along the floor, means for causing an item when placed on the floor to be engaged by one or the other side of the pusher and pushed towards and into engagement with said destructurer, and pusher drive means (117) configured to provide gradually increasing pushing force on the item towards the destructurer. Means may be provided for selectively causing an item when placed on the floor either to exit through the floor via a trap door device or to be engaged by one or the other side of the pusher and pushed towards and into engagement with said destructurer.

Abstract: A cutting device for a crosscut shredder is mounted in a housing, is driven by a motor through a transmission gear set and has two driving shafts, and two bracing leaves, multiple shredding blades and multiple partitions mounted on the driving shafts. The partitions are disposed between the shredding blades. The bracing leaves hold the driving shafts at middles of the driving shafts to structurally enhance the driving shafts so the driving shafts are not deformed easily. Therefore, the papers are shredded thoroughly, and the transmission gear set and the motor are able to operate appropriately and keep in good conditions. Moreover, the driving shafts have saved manufacturing costs and effective shredding capabilities.

Abstract: A shredder and a method for monitoring a motor of a shredder comprises a housing having a throat for receiving an article and a shredder mechanism received in the housing for shredding the article, the mechanism including an electrically powered motor and cutter elements, and the motor being operable to drive the cutter elements in a shredding direction to shred articles. A current sensor for detecting current flowing through the motor and a controller coupled to the motor for controlling operation of the motor are also provided. The controller is also coupled to the current sensor and configured to detect at least an initial amount of current (or inrush current) supplied to the motor for each shredding event. Based on the inrush current, the controller sets a parameter (e.g., overload or thickness) to prevent overloading or stalling of the motor, such as caused by a jam or overheating.

Abstract: Grain crushing apparatuses for processing grain are disclosed. In one embodiment, a grain crushing apparatus includes a first and second sidewall spaced apart from one another a throat dimension in a first direction, and a first and second support shaft positioned transverse to the first and sidewall. The first and second support shaft are each configured to rotate about an axis of rotation. The grain crushing apparatus also includes a first and second grain crushing roller. Each of the grain crushing rollers include a plurality of teeth extending from a root a tooth height. The first and second grain crushing rollers are intermeshed with one another such the first and second grain crushing roller are maintained at positions spaced apart from one another in a second direction normal to the first direction by an overlap distance less than the tooth height.

Abstract: The present invention provides an apparatus comprising a substrate and first and second disks. The disks are rotatably located over the substrate, each disk having an outer circumference with teeth thereon. The first disk is positioned to interleave one or more of its teeth with the teeth of the second disk. The substrate includes a channel with an exit port located near the teeth of one of the disks. Another apparatus comprises at least one disk rotatably located over a substrate and in a well of the substrate, the disk having an outer circumference with teeth thereon. The disk is positioned to provide a maximum distance of less than about 10 microns between each one the teeth and a nearest wall defining the well. The substrate includes a channel with an exit port located near the teeth of the disk.

Abstract: Provided is a roller cutter for a shredder having sufficient strength obtained by using a reduced amount of a metallic material. A roller cutter for a shredder is provided with a rotary shaft rotationally driven by a drive mechanism, finely cutting blades each including disks joined together on inside surfaces thereof, the finely cutting blades being successively mounted on and supported by the rotary shaft with the angular phase of each of the blades displaced by a predetermined angle from each other, and shaft fixation members which are fixed to the rotary shaft to thereby fix the finely cutting blades to the rotary shaft under conditions where the members have been mounted at both ends of the finely cutting blades. In this roller cutter, the finely cutting blades have folded parts forming thick-walled portions which go into contact with each other, the folded parts being formed by folding inward the sheet metal material used for forming the disks.

Abstract: An assembly has a bin level detection system having at least one sensor positioned to receive radiation reflected off any material deposited in a bin and to determine an intensity of the reflected radiation. The intensity corresponds to an amount or level of shredded material deposited in the bin. The system may detect radiation from one or more emitters, or, alternatively, detect ambient light entering the bin via a window. A level indicator system may also be provided to indicate the amount of material deposited in the bin, including if the bin is full. The assembly may comprise a shredder and a shredder housing.

Abstract: A paper shredder comprising a housing, cutters positioned in the housing, and a feeder base adapted to support a stack of paper. The feeder base includes a feed slot and an aperture providing communication between a top surface of the feeder base and a waste area. An edge defines at least a portion of the aperture and is oriented at an angle oblique to the feeder slot. The edge can be positioned at an angle of 3 degrees to 70 degrees, and preferably at about 10 degrees relative to the feeder slot. Preferably, the edge includes a first section at an angle of between 3 degrees and 20 degrees relative to the feeder slot, and a second section at an angle of between 20 degrees and 45 degrees relative to the feeder slot. The shredder can further comprise a deflection member for deflecting clips falling into the aperture.

Abstract: A sizing roller screen apparatus and method for processing an ore feed received at an inlet is disclosed. The ore feed includes sized ore portions and oversize ore portions. The apparatus includes a roller screen having a plurality of adjacent screening rollers supported to provide interstices therebetween for permitting passage of the sized ore portions between the adjacent screening rollers, the adjacent screening rollers being operably configured to rotate to cause a first sized ore portion to pass through the interstices while the ore feed is being transported along the roller screen. The apparatus also includes a sizing roller disposed generally above an opposing one of the plurality of adjacent screening rollers, the sizing roller being operably configured to rotate to fragment at least some of the oversize ore portions passing between the sizing roller and the opposing screening roller to produce a second sized ore portion, the second sized ore portion being sized for passage between the interstices.

Abstract: The present invention discloses a smart speed control, power-saving and noise-reduction paper shredder, comprises an electric machine unit, a current inspection feedback unit, a gear-switching voltage-modulating and speed-regulating unit and a power supply, wherein an input terminal of the gear-switching voltage-modulating and speed-regulating unit is connected to an output terminal of the current inspection feedback unit, and an output terminal is connected to an input terminal of the electric machine unit; a paper shredder of the present invention applicable for an AC electric machine, an induction electric machine or a DC electric machine, wherein current required for paper shredding by the AC electric machine, the induction electric machine or the DC electric machine is detected, and the electric machine is adjusted to its best working condition, and a number of speeds including high, mid and low gears are provided and can be switched according to the actual load condition, so as to achieve the smart spee

Abstract: A seal system including a sleeve configured to receive a rotatable shaft therein and a dynamic race configured to be rotatably coupled to the shaft. The seal system further includes a biasing element configured to urge the dynamic race into engagement with a static race to form a primary seal, and a shroud configured to be rotatably coupled to the sleeve and positioned radially outside the biasing element. The seal system also includes a sealing element configured to be positioned radially inside the biasing element and to sealingly engage the sleeve to provide a secondary seal to generally block fluid bypassing the primary seal.

Abstract: A water cooling paper shredder includes a power management unit; and a shredding mechanism. The shredding mechanism includes a motor, a conveying mechanism and a pair of shredding rollers, the motor being powered by the power management unit, torque of the motor being transferred by the conveying mechanism to the pair of the shredding rollers, thus causing shredding action of the shredding rollers. A heat dissipation device is provided on the motor to conduct heat outside of the motor itself. The temperature of the stator portion can be reduced effectively using water cooling technique and finally, causing temperature reduction within the motor. Therefore, the paper shredder can be cooled with high efficiency.

Abstract: A shredder includes a housing having a throat for receiving at least one article to be shredded, a shredder mechanism received in the housing and including an electrically powered motor and cutter elements, a detector configured to detect a thickness of the at least one article being received by the throat; and a controller coupled to the motor and the detector. The shredder mechanism enabling the at least one article to be shredded to be fed into the cutter elements and the motor is operable to drive the cutter elements so that the cutter elements shred the articles fed therein. The controller is configured to vary running operation of the motor responsive to the detector detecting the thickness of the at least one article being received by the throat.

Abstract: The present invention relates to a pins or staples removable structure of automatic shredders which comprises a shredder core, a paper press board assembly and a paper support board assembly fixed to the shredder core and arranged cooperatedly, and a clamping device, the paper support board assembly comprises a paper support board and a pick-up mechanism mounted to the paper support board, the clamping device is fixed to the paper press board assembly and the shredder core/the paper support board respectively, for clamping the paper to be shredded to the paper support board during the process of shredding paper, the paper support board has a paper inlet above the blade assembly of the shredder core, the distance between the outer end of the paper support board and the outer end of the pick-up mechanism for clamping the paper to be shredded is less than the length of the whole paper to be shredded, the pins or staples removable structure of automatic shredders further comprises a magnet positioned in the outer

Abstract: A device for comminuting scrappable feedstock by way of cutting or shear-cutting is provided that includes at least one rotor situated within a housing. The rotor has a plurality of rotary disks which are situated at an axial distance from each other, forming spaces, and which are fitted on their circumferences with comminuting tools which interact with additional comminuting tools to perform the comminution work. Stationary scraping elements extend into the spaces in the radial direction. To achieve a largely unhindered flow of stock through the device, it is proposed according to the invention to situate the stationary scraping elements in the dead zone of the at least one rotor with regard to the direction of stock flow.

Abstract: A paper shredder comprising a housing, cutters positioned in the housing, a feeder base coupled to the housing and including a feeder slot, and a pressure plate mounted for movement above the feeder base. The pressure plate has a length perpendicular to the feeder slot that is less than 80% of a length of the feeder base. In one embodiment, the pressure plate includes two rollers positioned on opposing sides of the feeder slot (e.g., rotational about axes fixed relative to each other). The pressure plate preferably does not overlap with any aperture(s) in the feeder base. The paper shredder can also include a feeder door that substantially covers the entire feeder base and is pivoted at one end of the feeder door. The pressure plate can be mounted adjacent a bottom surface of the feeder door.

Abstract: A side rail for installation in a shredder and method of fabrication in which the side rail has fingers that are partially embedded in a base. The fingers are made from steel and the base is made from cast aluminum. The fingers have a dovetail shape at an outer end thereof that is immersed in molten aluminum in a mold. When the aluminum is allowed to harden the fingers are embedded in the base. The side rails are much lighter weight than previous side rails, and are still sufficiently strong to be used in a mobile shredder.

Abstract: An auto feed shredding apparatus has cutter elements for destroying articles and a mechanism for advancing articles from a tray and into the cutter elements for shredding. A method for advancing articles to be shredded is also described. A feed mechanism is used to lift articles from atop a stack and feed them into the shredder mechanism. The articles in the tray may be lifted via exhaust of a blower or a fan, and drawn to towards the feed mechanism via a vacuum. The shredder apparatus may also include a stripping device for removing articles that are stapled together. A number of sensors for determining an amount of articles queued in the tray and an accumulation of shredded articles in a container may also be provided. The sensors may be used to perform a predetermined operation of the shredder, such as alerting a user of an overload or shredding articles.

Abstract: A cutting device for a strip-cut shredder is mounted in a housing, is driven by a motor through a transmission gear set and has two driving shafts, two pairs of guiding brackets mounted between the driving shafts, and a bracing leaf, multiple pairs of stripping blades and multiple partitions mounted on the driving shafts. The partitions are disposed between the stripping blades. The bracing leaf holds the driving shafts to structurally enhance the driving shafts so the driving shafts are not deformed easily. Therefore, the papers are stripped thoroughly, and the transmission gear set and the motor are able to operate appropriately and keep in good conditions. Moreover, the driving shafts have saved manufacturing costs and effective shredding capabilities.

Abstract: A cutting device for a crosscut shredder is mounted in a housing, is driven by a motor through a transmission gear set and has two driving shafts, and two bracing leaves, multiple shredding blades and multiple partitions mounted on the driving shafts. The partitions are disposed between the shredding blades. The bracing leaves hold the driving shafts at middles of the driving shafts to structurally enhance the driving shafts so the driving shafts are not deformed easily. Therefore, the papers are shredded thoroughly, and the transmission gear set and the motor are able to operate appropriately and keep in good conditions. Moreover, the driving shafts have saved manufacturing costs and effective shredding capabilities.

Abstract: A shredding machine for domestic or office use having a feed passage 3 leading to a cutting mechanism 10, 11 powered by an electric motor, has a thickness measuring device 15 for measuring the thickness of bundles of paper fed through the feed passage and the machine is controlled by a microprocessor which receives signals from the thickness measuring device and prevents the cutting mechanism from being energised if the thickness measured is above a threshold determined by the microprocessor. The microprocessor varies the threshold in accordance with electrical supply voltage, the electric motor temperature and the electric current drawn by the motor during a previous shredding operation, so that the maximum thickness the shredder will accept can be reduced automatically when motor temperature increases or as the effectiveness of the machine deteriorates throughout its working life.

Abstract: A shredder is disclosed. The shredder includes a housing having a throat for receiving at least one article to be shredded, and a shredder mechanism received in the housing and including an electrically powered motor and cutter elements. The shredder mechanism enables the at least one article to be shredded to be fed into the cutter elements. The motor is operable to drive the cutter elements so that the cutter elements shred the articles fed therein. The shredder also includes a detector that is configured to detect a thickness of the at least one article being received by the throat, and a controller that is operable to perform a predetermined operation responsive to the detector detecting that the thickness of the at least one article is at least equal to a predetermined maximum thickness.