Abstract: The invention relates to a method and a device for compressing empty packaging waste. The compression stroke is characterized by three different possibly positions and the compression device is situated on or above a container for collecting empty packaging.

Abstract: The invention relates to an attachment for paper shredders for receiving and feeding printed matter, in particular, crumpled paper, as is found in wastepaper baskets and the like, as well as a method for filling a paper shredder by using the aforementioned attachment, wherein the paper shredder comprises a housing of a cabinet-like base and an optionally removable upper housing part, together with a cutting assembly arranged in the upper area of the housing, comprising cutting rollers and stripper bars as well as a correlated drive device, wherein above the cutting assembly a feed shaft for so-called crumpled paper is provided and the attachment is arranged above this feed shaft fixedly or optionally removably, wherein the attachment together with a covered, perforated upper area of the upper housing part forms a receiving chamber for so-called crumpled paper, and wherein this receiving chamber is in communication with the feed shaft, and it is especially provided that the attachment (11) has an integrated cl

Abstract: The invention relates to an attachment for paper shredders for receiving and feeding printed matter, in particular, crumpled paper, as is found in wastepaper baskets and the like, as well as a method for filling a paper shredder by using the aforementioned attachment, wherein the paper shredder comprises a housing of a cabinet-like base and an optionally removable upper housing part, together with a cutting assembly arranged in the upper area of the housing, comprising cutting rollers and stripper bars as well as a correlated drive device, wherein above the cutting assembly a feed shaft for so-called crumpled paper is provided and the attachment is arranged above this feed shaft fixedly or optionally removably, wherein the attachment together with a covered, perforated upper area of the upper housing part forms a receiving chamber for so-called crumpled paper, and wherein this receiving chamber is in communication with the feed shaft, and it is especially provided that the attachment (11) has an integrated cl

Abstract: A device for the delayed disconnection or switching-off of the drive of cutting mechanisms of paper shredders, wherein the switching-on process of the cutting mechanisms is automatically triggered predominantly by the insertion of the materials to be shredded into the feed shaft. At least one of the gear stages between the drive motor and the pair of cutting rollers is provided with a spiral or helical gear unit, wherein at least one of the gear wheels of the gear unit is mounted so as to be axially movable in the direction of its axis, and wherein a switching element or limit switch connected to the motor control is arranged in the range of the axial distance of movement of the at least one gear wheel.

Abstract: A drive and bearing device for a binding station for finished bales predominantly in waste bale presses with a horizontally acting press plate, wherein several twisting wheels provided with a radial slot for receiving the binding wire are mounted in a support and are temporarily rotated by a common drive unit for the purpose of twisting the wire. The wheels supporting the slotted twisting disks have a plurality of arms or bearing points which extend outwardly in a star-shaped manner, wherein on the free end of each arm or bearing point is mounted a roller which is freely rotatable about an axis extending perpendicularly of the wheel plane. For each wheel with the star-shaped arms is provided in the same horizontal plane a drive wheel with arc-shaped recesses at the outer circumference thereof, wherein the recesses correspond in a positively engaging manner with the rollers.

Abstract: .hsc A waste bale press of horizontal construction used for manufacturing bound bales of predominantly organic waste materials, such as paper, cardboard, wood boxes or other used packaging materials includes a press shaft with a filling shaft in front of the press shaft and a drive portion arranged in front of the filling shaft. The drive portion includes two hydraulic cylinders which are arranged so as to intersect in the basic position thereof and whose free piston rod ends act on the press plate. The ends of the hydraulic cylinders are connected in an articulated manner on brackets or the like located laterally of the press housing outside of the parallel limiting walls of the press housing in the most rearward part of the drive portion.

Abstract: A baler has a front door assembly formed with an upper loading port and a loading door engageable in a closed position over the loading port. A plurality of guides on the assembly define respective generally vertical paths along which can travel respective elements on the door between an upper position corresponding to a closed position of the door and a lower open position with the door offset from the loading port. The door lies wholly with an outline of the door assembly in the lower open position. The baler door wherein the guides are generally vertical and horizontally flank the door. Each guide is formed of three pieces and forms a respective upper track and a lower track therebelow and the elements include respective upper and lower elements riding in the tracks. Each lower track is formed with a horizontally extending rest on which the respective lower element sits in the open position and with another horizontally extending rest on which the respective lower element sits in the closed position.

Abstract: In a safety switch for paper shredders, the housing (1) for the cutting mechanism is set on the container (2) for the paper to be cut. The switch element (3), including its pin (3a) and the corresponding switching cam, is arranged on the paper collecting container in a working line (W) inclined relative to the vertical (V) of the apparatus.

Abstract: A waste press with an ejection device in which at least one lifting plate is arranged on or in a bottom floor of a shaft formed by a press housing and at least one pull rod of the ejection device connected in an articulated manner to the lifting plate is arranged in the press area of the shaft on or in a rear wall. In addition, a coupling member is provided for at least temporarily connecting the pull rod and the press plate. The coupling member which temporarily transmits the movement of the pressing plate to the lifting plate of the ejection device is constructed as a connecting unit arranged on the outside of the rear wall of the press housing, wherein the connecting unit is controlled by mechanically acting guide arranged on the press housing and forming a part of the press housing, and wherein the connecting unit protrudes through a cutout formed in the rear wall and is forcibly pivotable in and out and acts temporarily on the pressing plate.

Abstract: A switching flap for stopping the drive of cutting mechanisms of paper shredders or similar devices, wherein the respective cutting mechanism is accommodated in a housing placeable on a collecting container for cut material and the switching flap is arranged at the bottom side of the housing in an area laterally of the outlet gap for the cut material. The switching flap is inserted at connecting points into the bottom part of the housing. Immediately above the connecting points, the switching flap has a resilient joint which extends over the entire length of the switching flap. On its side facing away from the outlet gap for the cut material, the switching flap has a rib or the like serving as a switching cam for actuating the limit switch resulting in the stoppage of the drive.

Abstract: A paper comminuting device or similar device, such as a paper shredder, is composed of two dimensionally stable side components extending parallel to each other and a bottom and a rear wall connecting the side components, and a cutting mechanism housing releasably placed on the side components and the rear wall. The rear wall and the bottom of the base frame are manufactured from an initially single-piece, planar plate with a transversely extending bending groove between the areas of the bottom and the rear wall. When the base frame is assembled, the appropriately profiled side components are connected to the plate and hold the plate in an angular position of 90 degrees. The side components are connected through insertable connecting points to the cutting mechanism housing so as to form together with the cutting mechanism housing a rigid, box-like component, wherein the connecting points are arranged in at least two planes located at a vertical distance from each other.

Abstract: A collecting container for collecting cut material of paper shredders or similar comminuting devices in which the cutting mechanism of the paper shredder rests with its housing on a box-like or frame-like base frame having a fixed bottom, and wherein the container can be pushed into the base frame from the front side of the paper shredder underneath the cutting mechanism housing. The container and the base frame have at the bottom thereof positively engageable guide elements.

Abstract: A paper shredder, particularly a small paper shredder, includes a shell-like lower housing part which includes the cutting rollers with their bearing plates at the end faces and the stripping elements, and an upper housing part which is provided with a material inlet slot and can be placed on the lower housing part. The bearing plate on the drive side for the cutting rollers simultaneously forms the single-piece bottom of an also shell-like gear housing which can be closed by means of a cover. The entire cutting mechanism including gear housing, cutting rollers and stripping elements is mounted in the area of the bearing plates on the end faces through vibration-damping elements in the lower housing part.

Abstract: An arrangement of distance ledges and retaining claws in waste material presses for packaging cardboard, foils and similar used packaging materials, particularly in presses of upright construction, i.e., presses having a vertically acting pressure ram. Stationary distance ledges are provided on the rear wall and/or on the inner side of the front door in the filling area of the shaft of the press. In addition, retaining claws for the material already compressed in the lower shaft portion or the finished bale which has not yet been tied are pivotally mounted in openings of the rear wall and the front door of the pressing area of the shaft.

Abstract: A method of and a device for manually tying bales of cardboard, foils and similar used packaging materials produced in waste material presses predominantly of upright construction, i.e., with a vertically acting pressure ram. The method includes the steps of separating the free end of the binding wire from the point where it is secured to the front side of the base and pulling out a free length of wire slightly exceeding the length of the dimensions of bale height plus bale depth, grasping the binding wire extending in a vertical groove in the rear wall of the press by means of the hook-shaped free end of the pulling needle, pulling the loop of binding wire formed in this manner by means of the pulling needle through the groove in the bottom of the pressure ram into a position located in front of the finished bale, separating the wire loop in the pulled-out position, and swinging upwardly the remaining length of wire at the bottom and tying together the two free ends of the binding wire.

Abstract: A safety front door for a baling press having a vertically acting pressure ram for producing tied bales of old cardboard, foils and other used packaging material, wherein the door area for the filling shaft of the press is constructed as a flap which can be opened by manually swinging it about a horizontal axis into an essentially horizontal position. In the horizontal plane, the flap is divided by an additional hinge and, in the final opening position of the flap, the forward free flap portion extends in an approximately vertical direction relative to the press bottom portion. The upper side of the frame of the front door and the door sliding angle attached to the housing are located approximately by a hand's width above the upper side of the pressure ram plate when the pressure ram is in its uppermost end position.

Abstract: An arrangement of guide elements of the pressure ram of waste material presses for compacting foils, cardboard and similar used packaging material of upright construction, i.e., with vertically acting pressure ram and guidance for support of the pressure ram at the walls of the press shaft in the four corner areas of the cross section of the shaft. The guide elements contacting the rear wall and the side walls of the press shaft are constructed as slide blocks and the guide elements located in the front portion of the press at the inner sides of the front doors of the pressing shaft and filling shaft areas are constructed as roller bodies.

Abstract: A paper shredder includes a lower cabinet and an upper hood for covering the cutting rollers, The hood has a supply duct for material to be cut which conically narrows toward the cutting roller intake gap, The supply duct has an inlet opening whose upper edge in vertical projection is located laterally offset relative to the cutting roller intake gap, The supply duct for the material to be cut has a funnel-shaped cross section and a bottom side of the supply duct extends initially approximately horizontally and is then arc shaped and leads into the essentially vertically directed cutting roller intake gap.

Abstract: A paper shredder includes a housing which is preferably closed to all sides and a support frame for a bag for receiving the comminuted or cut material, wherein the support frame is arranged underneath a cutting mechanism of the paper shredder and is supported on guide members arranged on inner walls of the housing so as to be movable horizontally in and out of the housing. The support frame for the bag is placed together with the bag loosely on the lateral guide rails which can be pulled out. The guide rails have stop elements at the front thereof for locking a front transverse connection of the support frame on the guide rails against sliding out horizontally, on the one hand, and to make it impossible that an outwardly directed pressure acts from the bag which is being filled onto the front housing door.

Abstract: A paper shredder includes a pair of cutting rollers and individual strippers mounted on support rods. The strippers extend essentially from the lower and upper outer sides of the cutting mechanism between the cutting disks to the respective roller body. The strippers preferably have crowned stripper portions. A stripper is arranged at the lower side of the cutting mechanism in each gap formed between two adjacent cutting disks by the comb-like engagement of a cutting disk of the opposite cutting roller. Individual auxiliary strippers engaging in every fourth to fifth cutting roller gap are arranged on the upper side of the cutting mechanism. The support rods for the strippers are arranged from the respective outer diameter of the cutting disks at a distance to form openings, wherein the distance is preferably two to ten times the width of the cutting roller gap.