Abstract: Continuously printed forms, e.g. checks, are cut from a sheet, sequenced and fed longitudinally and horizontally so that they are overlapped. Trays are moved vertically downwardly and are laterally open so that the overlapped checks are inserted and thereby stacked in the trays. Defective forms can be removed prior to shingling and slip sheets can be inserted to designate locations at which defective forms have been removed.

Abstract: An improved chopper device for use in a folder for folding a signature which has been subjected to parallel folding at a parallel folding device and then conveyed by means of a conveying belt, in a direction perpendicular to the parallel folding direction. The chopper device is provided with an elongated opening having a mouthpiece below the conveying path therefor. An upwardly and downwardly movable chopper blade lowers when the signature is stopper at a predetermined position and forces the signature into the opening. A pair of rollers is provided below the opening in order to grip the signature forced into the opening by the chopper blade nd deliver it to a delivery conveyor. Brushes are provided on both sides of the opening thereabove so as to slidably hold both sides of the signature when the signature is lowered by the rollers through the opening.

Abstract: The present invention relates to a jaw folding device for a jaw cylinder of jaw-type folder and comprises a mother member detachably fixed in the groove formed in the cylinder, a fixed jaw plate fixed to the mother member, a controlled jaw plate so arranged as to contact to the fixed jaw plate a controlled jaw plate shaft for fixing the controlled jaw plate and pivotably supported on the mother member, an urging means for urging the controlled jaw plate to the fixed jaw plate and an angular control means for changing the angle of the controlled jaw plate shaft. The angular control means is actuated by a cam mechanism. The controlled jaw plate is isolated from the fixed jaw plate as the angular control means is actuated. The mother member of this jaw folding device can be easily dismounted from the cylinder drum so that the jaw folding device can be removed from the jaw-type folder to perform checking, maintenance, adjustment or replacement it.

Abstract: The invention relates to a track maintenance vehicle having a levelling attachment secured to a transverse carrier member at its rear. The levelling attachment faces downwards and is at least partially flexible. For achieving satisfactory levelling of relatively loose snow as well as of encrusted or compacted snow, the levelling attachment comprises a leading portion of triangular cross-sectional shape secured to the transverse carrier member along a first triangle side. The second triangle side of this portion is formed as a rigid compaction surface extending downwards and rearwards from the transverse carrier member. Connected to a rear portion of the compaction surface is a plate-shaped flexible portion extending substantially parallel to the second triangle side in the relaxed state, and in a substantially horizontal direction when under load.

Abstract: In a paper stacking device for pre-folded continuous form paper wherein the paper web is supplied to a deposit table from below and the paper stack is built up proceeding from below, a stepping motor is coupled in terms of drive to the feed region, this stepping motor generating the reciprocating stacking motion by reversal of rotational sense, whereby the lift and the motion sequence are controllable via an electronic control device dependent on the form length. The seating surface for the acceptance bands accepting the paper stack is formed by discrete support elements; the deflection rollers themselves thereby serve for taking up the supporting bands. The paper stacking device can be an integrated component of the printer and is pivoted into and out of the latter.

Abstract: An excavator for continuously excavating soil includes an elongated frame, which is generally rectangular in plan, the frame being defined by a pair of spaced apart, parallel sides; a tow bar at the front end of the frame for connecting the latter to a tractor or other towing vehicle; a large, central wheel for carrying the frame; hydraulic cylinders for adjusting the height and longitudinal position of the wheel in the frame, and consequently for adjusting the depth of cut made by a blade mounted in the frame behind and/or beneath the wheel and a conveyor mounted in the frame rearwardly of the blade for receiving excavated soil and feeding the soil rearwardly for discharge from the excavator.

Abstract: A machine for accumulating folded sheets into brochures wherein the sheets are stapled to each other along fold lines has a rotary transporting device with several axially parallel saddle-like carriers for opened sheets and pushers which advance the sheets along their carriers into the range of a stapling device. The sheets are fed to the carriers at two or more stations which are spaced apart from one another in the axial direction of the transporting device and open the sheets shortly before the sheets reach the respective carriers so that each sheet which is deposited at the first station directly straddles its carrier and each sheet which is deposited at a next station directly straddles the previously deposited sheet. the stapling device has several stapling units which perform a pendulum movement about the axis of the transporting device and are operated to simultaneously apply staples to two or more brochures.

Abstract: An ink metering system for a rotating ink roll having a shaft journalled in the frame of a inking system includes two doctor blades and a mechanism for supporting the doctor blades on the shaft of the ink roll so that the doctor blades contact the ink roll under uniform pressure independent of movement between the ink roll and the frame. The arrangement also includes a mechanism for adjusting the pressure of the doctor blades and for sealing the system. The doctor blade is composed of polytetrafluoroethylene-polyphenylene sulfide ceramic resin containing graphite fibers. The doctor blade includes a number of laminated sheets of this material in which a majority of the sheets include fibers oriented in the machine direction and at least one sheet includes fibers oriented perpendicular to the machine direction.

Abstract: The collating apparatus comprises a plurality of collating or collecting conveyors or product advancing means revolvingly driven about the axis of revolution of the collating apparatus. These collating conveyors are pivotably mounted at each end face of the collating apparatus in control levers or rocker arms. These rocker arms are pivotably mounted on two disc-shaped supporting or support elements. These support elements are mounted in mutual axial separation on a shaft of the collating apparatus rotatably driven about the axis of revolution. The control levers or rocker arms support control rollers or followers which travel in guide grooves of guide or control curves or cams. The control curves or cams are constructed such that the rocker arms together with the collating conveyors are pivoted inwardly and subsequently are again pivoted outwardly relative to the axis of revolution of the collating apparatus during its revolution.

Abstract: The apparatus for filing or ordering a scale flow of folded, flat printed products from a rotary printing press has sliding teeth formed into a filing comb arranged on both side of the scale flow and fixed to tooth supports and with, in each case, at least one sliding tooth engaging to the left and right of a printed product in the scale flow behind its fold. The tooth supports are fixed to rotatable chains arranged to the right and left of the scale flow. One drum runs laterally along side the scale flow, so that said engagement is permitted. An equal number of filing combs is fixed to the rotary chains and run in each case around two sprockets, at least one being a driving sprocket, the spacing of two teeth on the same rotary chain determining the new scale spacing.

Abstract: A device for use with a sheet stacker for developing a marking or identifying sheet to separate groups within the stack as the latter is being formed. The device is comprised of a paper stop member that is movable between two positions, one for defining the boundary of the primary stack and a second position, spaced outwardly of the stack boundary, at a point defining the position for the marking sheet.

Abstract: The device includes a side wall (13), which leaves open a slot (15) of a variable width relative to a support (11). The flaps of letter envelopes are inserted into the slot (15) angled at 90 degrees, where the letter envelopes rest in a stack on the support (11) and are maintained on their side by the side wall (13). Three sensors (36, 38, 39) serve to provide signals for a motor control of the position of the side wall. The side wall can be manually moved against the force of a spring (26).

Abstract: A printing apparatus which includes a single revolution clutch. The clutch includes first and second cam sections which comprise the output member of the clutch. When the clutch is released, a spring accelerates the output member to bring a control surface on the second cam section into operative engagement with a cylindrically-shaped, rotating, input member. An abutment member on the first cam section cooperates with a follower arm to stop the rotation of the output member after a single revolution. A solenoid and linkage are used to raise the follower above the abutment stop to release the clutch for another single revolution of the output member.

Abstract: The printed products to be provided with inserts or supplements are infed in respective pairs by an infeed conveyor to a processing drum or cell wheel. The cell wheel comprises substantially radially extending compartments which are open at the periphery of the cell wheel. Product feed devices, for example, clamps or grippers are arranged in the compartments for forwardly advancing the printed products located in the compartments. Each compartment is divided into two feed channels by a removable divider or partition wall. These divider or partition walls terminate at a predeterminate spacing from the product feed devices. Each of the two printed products which are conjointly conveyed as a pair are infed into a respective feed channel. The printed products in the feed channels of each compartment are then conjointly advanced and approximately simultaneously opened and are furnished with an insert or supplement.

Abstract: A master frame assembly for use in a screen printing press carries an upper seal means to seal directly to a screen printing frame to provide an enclosed sealed chamber within the screen frame to contain solvents associated with the ink within the sealed chamber. The preferred upper seal means includes a traveling cover sheet which is pressed directly into sealing engagement with the underlying screen frame about all four sides of the screen frame. Mounted on the master frame are side seal bars for pressing the traveling marginal edges of the sheet against the underlying sides of the screen frame. These side seal bars are adjustably and movably mounted on the master frame so that they may press the traveling cover sheet against the sides of each of several different widths of screen frames.

Abstract: A locking mechanism for a fluid actuated snowplow which automatically locks the moldboard unit of the plow in a desired position and simultaneously therewith relieves the pressure on the fluid drive unit whereby the locking mechanism and not the drive unit accept the plowing stresses.

Abstract: A cloth spreading apparatus 10 for spreading cloth from a cloth roll 16 supported by an expandable mandrel 20 onto a work surface 14. The apparatus includes a carriage assembly 24 movable on the work surface between first and second locations. A mounting frame assembly 26 is carried by the carriage and includes a shiftable subframe 118, 120, 122, 124, 126 and 128, a first pivotal portion 94 supported on the subframe and a second portion 96 rotatable 180.degree., the second portion being carried by the pivotal portion. A shifting motor 74 is provided to shift the subframe in response to a cloth edge sensing apparatus 58. A motor driven screw operated scissors jack assembly 102 is provided to pivot the pivotal portion. A cantilevered spring 200 is disposed between the pivotal portion and the rotatable portion and initially accelerates and then decelerates the rotatable portion as it moves 180.degree. from one position to another.

Abstract: Apparatus for forming a longitudinal fold in a web of paper includes a paper feed arrangement, paper folding means arranged below and downstream of the paper feed arrangement, and guide means extending between the paper feed arrangement and the paper folding means. The paper feed arrangement includes a support on which are mounted a pair of tractor drives engageable with the edges of the web. The support is movable in a transverse direction to alter the position of the web relative to the paper folding means.

Abstract: The invention relates to a snow tiller for mounting on the rear of a track maintenance vehicle. The snow tiller comprises a tiller shaft and a tiller frame of at least triangular cross-section extending over the width of the snow tiller and having end plates for supporting the tiller shaft bolted to its lateral ends.In order to facilitate the maintenance of the snow tiller, the lateral ends of the tiller frame are provided with bars secured thereto in a V-shaped configuration. Secured to each end plate at its side facing towards the tiller frame is a pair of undercut bars in a V-shaped configuration for overlapping engagement with the bars on the tiller frame in the mounted state of the end plates. The undercut bars cooperate with a fixing bolt engaging the tiller frame to form an interlock clamp mounting arrangement.

Abstract: A multi-section folding apparatus has two outer formers which are respectively provided on both sides of a pair of inner formers which are defined by a pair of upper and/or lower formers of a vertical two-stage former folding machine in such a manner that the outer formers are positioned at the same level as that of the inner formers and with a slight spacing provided therebetween, thereby forming a quadruple former assembly. Two groups of turn bar mechanisms are disposed in such a manner that the course of each of the halved traveling sheets which are obtained by halving a traveling sheet and which are fed toward the two inner formers along their respective ones of the four travel lanes is changed to any one of the other three travel lanes. It is therefore possible to issue a newspaper made up of six to eight sections by means of straight folding without lowering the production speed.