Abstract: A motor having a first portion configured to turn in a forward direction, a second portion coaxially mirrors the first portion; and a central fan between the first and second portions, and forcing air through the portions. A thermoelectric cooler element, thermally coupled to the portion is configured to cool the motor. A motor controller is electrically coupled to the first and second portions, and operates a portion in response to a condition sensed by the motor controller. The condition sensed by the motor controller is a motor torque, a motor speed, a motor casing temperature, or a zoned motor casing temperature. A method includes detecting a motor operational command; selecting a motor operational state using motor portion responsive to the motor command; sensing a heating state of a motor portion; and providing a cooling state to the motor portion responsive to the heating state.

Abstract: Safety inlet apparatus for a shredder paper feed opening includes upper cover, safety cover, paper feed passage block, and elastic member. A safety cover end section covers the shredder paper feed opening, and rotatably couples to the upper cover. Paper feed passage block is positioned between shredder paper feed opening and elastic member, and the safety cover pivots to the upper cover. Paper feed passage block is slidably arranged on the upper cover near shredder paper feed opening, connecting to the safety cover second end section. Elastic member ends respectively connect to the upper cover inner wall and the paper feed passage block. Paper feed passage block may be fixed to, or integrated with, the second end section, or may limit a stud on the second end section.

Abstract: The present invention relates to an automatic shredder without choosing the number of paper to be shredded which comprises a shredder core and an automatic paper feeding device, the automatic paper feeding device comprises a driving mechanism, a paper support box, a pick-up mechanism and a paper press box, the driving mechanism is fixed on the shredder core and connected with the pick-up mechanism for driving the pick-up mechanism, the paper support box comprises a first zone and a second zone, the pick-up mechanism is positioned between the first zone and the second zone and fixed to the paper support box, and its paper feeding direction is towards the second zone, one end of the paper press box is pivoted with the paper support box, the other end of the paper press box is connected detachable with the paper support box, the paper support box is fixed on the shredder core, and the second zone has a paper inlet positioned above the blade assembly of the shredder core, a magnet is positioned in the first zone,

Abstract: The invention is directed to a touch-sensitive paper shredder control system. The touching feature is implemented through a series of electronic circuits, taking input from a conductive touch panel on the shredder feed throat, processing the signal, and through a motor driving circuit, stopping the mechanical parts of the shredder. The system has a touch detection circuit unit, which contains a bioelectricity controlled switching circuit to sense the conductive touch panel. The bioelectricity controlled switching circuit is configured to trigger a ground switching circuit in the touch detection circuit unit which outputs to a multifunction control circuit unit. The control circuit unit then takes care of the remaining protection issues. The touching device for paper shredders protects humans and other living beings including pets from injuries through automatic and real time monitoring. The complete control process is both safe and sensitive.

Abstract: The invention is directed to a permittivity-based paper shredder control system. The touching feature is implemented through a series of electronic circuits, taking input from a conductive touch panel on the shredder feed throat, processing the signal, and through a motor driving circuit, stopping the mechanical parts of the shredder. The system has a touch detection circuit unit, which contains a bioelectricity controlled switching circuit to sense the conductive touch panel. The bioelectricity controlled switching circuit is configured to trigger a ground switching circuit in the touch detection circuit unit which outputs to a multifunction bioshield controller. The bioshield controller then takes care of the remaining protection issues. The touching device for paper shredders protects humans and other living beings including pets from injuries through automatic and real time monitoring. The complete control process is both safe and sensitive.

Abstract: A grinding composition for sharpening shredder blades of a shredder includes, based on total weight of the grinding composition, from 51 to 65 wt % of a grinding powder; from 5 to 35 wt % of a viscous grease agent; and from 3 to 30 wt % of at least one functional additive. A grinding sheet formed from the composition is used as a grinding product alone or in a bag. The composition is sealed in a bag and used as a grinding product. A process for manufacturing the latter grinding product employs an automatic form-fill-seal packaging machine. The shredder blades of a paper shredder are sharpened satisfactorily by the grinding composition as the grinding sheet or grinding product is shredded. The useful life of shredders is cost effectively extended while providing convenience in use that saves time and labor.

Abstract: The present invention relates to an anti-paper jam protection device for shredders comprising a paper thickness detecting device, an indicating device and a controlling device, wherein the paper thickness detecting device is an electromagnetic induction paper thickness detecting device comprising a contact element, an electromagnetic element and an electromagnetic induction element, the contact element is connected rotatably to the body of the shredder, one end of which is positioned in the paper inserting passage, on the other end of which is mounted the electromagnetic element, the electromagnetic induction element is mounted on the body of the shredder and spaced with the electromagnetic element face to face, and the controlling device is in line connection with the electromagnetic induction element, the present invention controls the thickness of the paper to be shredded during the paper inserting stage, and shreds paper automatically only in a predetermined value range, to avoid abnormalities that result

Abstract: The present invention relates to a new type protection device for shredders which comprises a paper number detecting device mounted at the paper inserting passage of the shredder, a warning device mounted on the shredder and a controlling device in line connection with the paper number detecting device and the warning device respectively, mounted in the shredder and in line connection with the driving component of the shredder driving the shredder blades, preferably the protection device further comprises an insert detecting device in line connection with the controlling device and mounted at the paper inserting passage, and at least one opaque shielding component mounted at the paper inserting passage and at the middle of which there is at least one slot along the length direction, the present invention controls the number of the paper to be shredded during the paper inserting stage, and shreds paper automatically only in a predetermined value range, to avoid abnormalities that result in failure of the machi

Abstract: The present invention relates to a new-type dual-passage paper feeding safety structure for shredders comprising a shredder upper lid, a dual-passage paper feeding safety cover plate and a touch safety switch, touch components are arranged on the dual-passage paper feeding safety cover plate, the shredder upper lid has a paper inlet corresponding to the dual-passage paper feeding safety cover plate and above the set of paper shredding blade shafts of the shredders, the dual-passage paper feeding safety cover plate is arranged in the paper inlet, the middle parts of two ends of the dual-passage paper feeding safety cover plate is connected rotatably with the shredder upper lid, the touch safety switch is fixed inside the shredder upper lid and cooperated with the touch components so that the touch components would touch the touch safety switch when the dual-passage paper feeding safety cover plate is rotated to open and work, more preferably, the middle parts of two ends of the dual-passage paper feeding safet

Abstract: The present invention provides a new-type thin shredder blade having blade points without steps, comprising at least one blade body and at least one cutting part that is located on the periphery of the blade body and includes a blade point, wherein the cutting part further comprises a protrusion which protrudes from the cutting part and includes a top, a inclined plane extends between the top and the blade point, and an acute angle is formed by the inclined plane and the blade body, preferably, the inclined plane is an inverted triangle, the cutting part further includes a first hemline and a second hemline extending respectively from the blade body and intersecting to the blade point, a first plane extends between the top and the first hemline and intersects with the inclined plane, the blade body includes at least one large protrusion which protrudes in the same direction as the protrusion, the blade sets formed by the above-mentioned new-type thin blades and the manufacturing method of the above-mentioned

Abstract: The invention is directed to a touch-sensitive paper shredder control system. The touching feature is implemented through a series of electronic circuits, taking input from a conductive touch panel on the shredder feed throat, processing the signal, and through a motor driving circuit, stopping the mechanical parts of the shredder. The system has a touch detection circuit unit, which contains a bioelectricity controlled switching circuit to sense the conductive touch panel. The bioelectricity controlled switching circuit is configured to trigger a ground switching circuit in the touch detection circuit unit which outputs to a multifunction control circuit unit. The control circuit unit then takes care of the remaining protection issues. The touching device for paper shredders protects humans and other living beings including pets from injuries through automatic and real time monitoring. The complete control process is both safe and sensitive.

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: The present invention relates to an automatic shredder without choosing the number of paper to be shredded which comprises a shredder core and an automatic paper feeding device, the automatic paper feeding device comprises a driving mechanism, a paper support box, a pick-up mechanism and a paper press box, the driving mechanism is fixed on the shredder core and connected with the pick-up mechanism for driving the pick-up mechanism, the paper support box comprises a first zone and a second zone, the pick-up mechanism is positioned between the first zone and the second zone and fixed to the paper support box, and its paper feeding direction is towards the second zone, one end of the paper press box is pivoted with the paper support box, the other end of the paper press box is connected detachable with the paper support box, the paper support box is fixed on the shredder core, and the second zone has a paper inlet positioned above the blade assembly of the shredder core, a magnet is positioned in the first zone,

Abstract: The present invention discloses a cutter structure of a paper shredder, which comprises a pull-rod (23), paper guide combs (24), cutter arbors (21), and at least one cutter-blade set composed of two cutter-blades (22), with said cutter-blade set being slipped on said cutter arbor (21), said pull-rod (23) being passing through the hole set on said paper guide combs (24), at least two lugs (222) being set on the bore (32) of said cutter-blade (22) and extending toward a cutter spoke (35), the height of said lug (222) along axial direction of the cutter-blade (22) is greater than the thickness of said cutter blades (22); with recesses (221) being set on cylindrical cutter arbors (21), the number of which is no less than that of said lug (222) which can be placed into said recess (221); said paper guide combs (24) being set between said cutter-blade sets; said paper guide combs (24) being slipped on said cutter arbor (21).

Abstract: The invention is directed to a touch-sensitive paper shredder control system. The touching feature is implemented through a series of electronic circuits, taking input from a conductive touch panel on the shredder feed throat, processing the signal, and through a motor driving circuit, stopping the mechanical parts of the shredder. The system has a touch detection circuit unit, which contains a bioelectricity controlled switching circuit to sense the conductive touch panel. The bioelectricity controlled switching circuit is configured to trigger a ground switching circuit in the touch detection circuit unit which outputs to a multifunction control circuit unit. The control circuit unit then takes care of the remaining protection issues. The touching device for paper shredders protects humans and other living beings including pets from injuries through automatic and real time monitoring. The complete control process is both safe and sensitive.

Abstract: The present invention relates to a paper-breaker supporting framework structure, including the paper-breaker head and the wastebin, characterized in that the paper-breaker supporting framework structure further includes a profiled supporting framework, the supporting framework includes an upper frame and a lower frame, the upper frame and the lower frame are connected with a movable connector, the upper frame is movably located under the paper-breaker head, the wastebin is located between the interval of the supporting framework, the top of the wastebin is movably mounted under the paper-breaker head.

Abstract: A two-way self-lock paper shredder has a functional switch (11), a shredding mechanism (10), a control circuit power source (2) electrically connected to the said functional switch (11), as well as the following control circuits: a CPU (1), a motor-driving circuit (8), a reverse detection circuit (9), a paper-in detection circuit (5), and an unlocking circuit (4). If there is neither an input of paper-in signal nor an input of reverse signal after the paper is shredded, the said paper-in detection circuit (5) will transfer a self-lock signal to said CPU (1) and then the CPU (1) begins timing. When the duration of said self-lock signal exceeds the preset value, the CPU (1) will shut off the motor-driving circuit (8) and the paper shredder will be self-locked. The aforesaid unlocking circuit (4) contains an unlocking key, and reset of the said unlocking key can unlock the paper shredder. The present utility model enhances the safety of the paper shredder efficiently, so as to avoid unnecessary hidden trouble.

Abstract: The present invention relates to a paper-breaker touching safety protector, of which the control circuit unit is connected with the paper-breaking machinery part via the motor driving circuit unit, the control circuit unit is connected with the conductive touch panel via the touch detecting circuit unit, the power unit is connected respectively with the control circuit unit and motor driving circuit unit, wherein the touch detecting circuit unit includes a bio-voltage control switch circuit and a ground switch circuit, the input control terminal of said bio-voltage control switch circuit is connected with the conductive touch panel, the output terminal of control switch circuit is connected with the input control terminal of the ground switch circuit, the output terminal of the ground switch circuit is connected with the input control terminal of the control circuit unit.

Abstract: The present invention relates to a paper-breaker wastebin structure, including the barrel body, in which the barrel body includes the barrel wall and the base plate that is movably located at the bottom of the barrel body, the barrel wall is a kind of cloth, leather, plastic or light metal, and has a folding structure.