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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Heidelberg Harris Inc. Patents
Assignee:
Heidelberg Harris Inc.
Address:
Dover, NH
No. of patents:
70
Patents:


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Patent Number Title Of Patent Date Issued
RE35646 Printing unit with releasable bearing clamp November 4, 1997
A printing unit (10) includes a blanket cylinder (20), a bearing assembly (56) and a door assembly (72). The blanket cylinder (20) carries a tubular printing blanket (36). The bearing assembly (56) includes a bearing housing (58) fixed to the stub shaft (50) on the end of the blanket
6293194 Method and apparatus for adjusting the circumferential register in a web-fed rotary printing pre September 25, 2001
A method and an apparatus for adjusting the circumferential register in a web-fed rotary printing press having a plate cylinder with a sleeve-shaped printing plate. Exemplary embodiments include a variable speed drive box which is controlled by a central control unit in dependence on a m
6276681 Product delivery apparatus having replaceable elements August 21, 2001
The present invention relates to a device for replacing elements of a product delivery fan wheel which is rotatably mounted. The fan wheel has a plurality of fan blades which include attaching devices for replaceably mounting fan blade tips on the fan blades.
6116593 Method and apparatus for non-contact deceleration of flat products September 12, 2000
The present invention relates to a deceleration device for flat products, such as signatures. A deceleration device has a plurality of seizing elements attached thereto for seizing signatures at their respective leading edge while the signatures are emerging from a conveying device.
6109180 Printing unit with axially removable printing sleeves August 29, 2000
A printing unit with a rotatable print cylinder and a rotatable blanket cylinder is provided. A tubular printing blanket is removably mounted on the blanket cylinder. The printing unit may have an imaging unit mounted therein. A printing member, which is mountable on the print cylinder,
5947026 Apparatus for reducing downstream marking including folder marking September 7, 1999
An apparatus for preventing marking of a web which locally cools the web and thereby raises the viscosity of the ink imprinted thereon downstream of an initial cooling of the web. The cooling device may include liquid cooling of rolls in the press, air cooling of a contained environment
5924970 Device for preloading a torque loaded mechanism on a folding cylinder July 20, 1999
A cylinder in a folding apparatus includes a plurality of product seizing devices. Each product seizing device includes a cam and a shaft having a plurality of product seizing devices attached thereto. A cam follower is mounted to the shaft and a torsion bar is coupled to the cam followe
5924619 Method and apparatus for passing a printed web between the separated cylinders of a deactivated July 20, 1999
A method and apparatus are provided for passing a printed web through the separated printing or blanket cylinders of a motionless downstream printing unit of a lithographic rotary printing press. First and second blast air devices are arranged on the first and second sides of the web,
5921183 Narrow gap plate with insertable lock-up mechanism, and method of using the same July 13, 1999
An apparatus and method which allows a printing plate to be mounted onto a plate cylinder in a quick and efficient manner. The apparatus includes a lock-up mechanism which is removable from the plate cylinder, and which is preferably slidably received in an axial slot in the plate cylind
5906307 Folding apparatus superstructure with replaceable mantlings for velocity adjustment May 25, 1999
A superstructure of a folding apparatus for feeding at least two webs of flat material to a cylinder unit of the folding apparatus. The superstructure including at least two take-off roller assemblies, each take-off roller assembly including a corresponding take-off roller rotatably
5879004 Method and apparatus for corrugating a flat material March 9, 1999
The present invention relates to a method and apparatus for transporting a flat printed material being conveyed, such as a printed web of material, a ribbon, a signature, or the like. An exemplary apparatus includes a pair of seizing elements for transporting a web of material, and corru
5873306 Self-compensating tensioner February 23, 1999
A self-compensating tensioner, particularly a self-compensating tensioner for use in a folder of a web offset printing press, includes a plurality of rollers designed to tension tapes. Each roller is mounted on a tensioner arm. The tensioner arms are mounted on a rotatable shaft via
5865082 Apparatus for transporting signatures February 2, 1999
The present invention generally relates to transporting signatures within a folding apparatus. Exemplary embodiments include at least one pair of cooperating cutting cylinders, each having at least one of a knife and an anvil. A conveying plane extends in substantially vertical direction
5855153 Method and apparatus for conveying flat printed products January 5, 1999
The present invention is directed to a conveying device for flat printed products. Exemplary embodiments include a transport device for transporting signatures. A plurality of arms, each having a seizing device, are assigned to the transport device for seizing signatures emerging fro
5832830 Method and apparatus for normalizing the display of ink key zero points in an ink fountain November 10, 1998
The present invention relates to a method and apparatus for normalizing the zero points for each ink key in an ink fountain. The method and apparatus are useful in an ink fountain using an inker roll and a meter roll which are spaced by a gap, which gap can have possible variations in wi
5813336 Printing unit with axially removable printing sleeves September 29, 1998
A printing unit with a rotatable print cylinder and a rotatable blanket cylinder is provided. A tubular printing blanket is removably mounted on the blanket cylinder. The printing unit may have an imaging unit mounted therein. A printing member, which is mountable on the print cylinder,
5813335 Apparatus for preventing backlash between the meshing teeth of a first and a second gear in a pr September 29, 1998
Apparatus for preventing backlash between a first gear and a second gear of a gear train. Exemplary embodiments include a supplementary gear rotatably mounted adjacent to the first gear and rotatable about the same rotational axis as the first gear, the teeth of the supplementary gear be
5807227 Fold-off guiding method and device for a folding apparatus September 15, 1998
The present invention relates to a folder apparatus including a first cylinder for transporting a product and a folding cylinder rotatably engaged with the first cylinder at a nip. A product guiding device is assigned to a transition area between surfaces of the first cylinder and th
5794929 Variable velocity profile decelleration device August 18, 1998
A variable velocity profile deceleration device is provided for gripping a signature from a cutting cylinder, tape system or other transporting device at high speeds. The signatures are positively gripped, decelerated through a smooth velocity profile, and delivered to a further processi
5794529 Compliant drive for printing presses August 18, 1998
A complaint drive for use in a printing press. The compliant drive is coupled to a driving gear which can be on the plate cylinder of the printing press. The compliant drive includes an input gear meshing with the driving gear. A compliant coupling is connected between the input gear
5779123 Web/ribbon path verifier for detecting and identifying errors in a web/ribbon path July 14, 1998
A rotational detector is attached to each of the rolls that might be passed over or under as part of a paper web/path. Each of the rotational detectors emits an output signal which indicates whether the roll it is attached to is moving and, if it is moving, the direction it is moving. A
5768990 Gapless tubular printing blanket June 23, 1998
A tubular printing blanket for a blanket cylinder in an offset printing press comprises a cylindrical sleeve, a compressible layer over the sleeve, and an inextensible layer over the compressible layer. The cylindrical sleeve is movable telescopically over a blanket cylinder. The com
5758580 Printing unit using various ink types June 2, 1998
A printing unit (1) of a rotary printing press for using various ink types is provided. The printing unit includes an inking mechanism (45), a print cylinder (3), and a blanket cylinder (2). The inking mechanism (45) and the cylinders (2, 3) are mounted in side walls of the printing unit
5752443 Mechanism for excluding critical speeds from normal operating ranges May 19, 1998
A mechanism to exclude critical speeds from normal operating ranges is provided having at least one drive unit to drive at least one unit of a processing machine. The at least one unit of a processing machine has a known torsional stiffness. A single power transmission is provided linkin
5749823 Signature control in a high speed printing press May 12, 1998
A controllable actuator for stopping and positioning a signature in a high speed printing press including a electric magnet or a solenoid and a break or a roller or both. Various arrangements of a plurality of such actuators can be used to orient, center, and steer signatures in a high s
5740900 Apparatus for splitting a product stream April 21, 1998
An apparatus for splitting a product stream includes a conveying belt entering a folder to grip products. The conveying belt comprises first and second product grippers arranged thereon in an endless configuration. The first grippers are selectively rotatable around an axis during moveme
5730435 Apparatus for absorbing energy during signature delivery March 24, 1998
The present invention is related to an apparatus for delivering flat products, such as signatures, in a folding apparatus of a rotary printing press. At least one fan wheel assembly has a plurality of fan blades separated from each other by fan wheel pockets. The fan wheel pockets are
5727783 Apparatus for delivery of sheets of printed products March 17, 1998
An apparatus for delivery of sheet-like products is provided which includes a reorientating conveyer 14 coupled to deceleration unit 6, the deceleration unit 6 for receiving signatures 5 from a product forming device such as a folding or a cutting cylinder. The deceleration unit 6 sl
5727724 Method and apparatus for transporting a web material March 17, 1998
An apparatus for transporting web material, such as a folded paper web in a web-fed rotary printing press, is disclosed which includes a first nip roller having a first set of driven and non-driven wheels which are arranged side by side along a rotational axis of the first nip roller, an
5694848 Printing unit for water based inks December 9, 1997
A printing unit for rotary printing press includes an inking unit and a print cylinder carrying a print form suitable for the reception of water based inks. The printing unit also includes a blanket cylinder carrying a printing blanket and a cooling unit for maintaining an ink carrying
5687647 Plate cylinder with fixed tensioning plate mounting device November 18, 1997
A printing plate has an outer surface and an inner surface, the outer surface for receiving an image to be transferred to a printing blanket. The printing plate also includes a lead end and a tail end. A first bend and a second bend are formed at a first distance from the lead end of the
5681254 Mechanism for applying a biasing force in a folder apparatus October 28, 1997
A folder apparatus includes at least one lead-in mechanism, having a left lead-in tape and a left exit roller and a corresponding right lead-in tape and a right exit roller, the right and left lead-in tapes forming a signature passage for delivery of signatures. The right exit rollers
5678487 Apparatus for mounting flexible plates in a printing unit October 21, 1997
The present invention is directed to an apparatus for mounting a printing plate on a printing unit cylinder, with the printing unit cylinder having an opening in a clamping area. A lock-up bar is slidably mounted in the opening of the printing unit cylinder, the lock-up bar having an ele
5678485 Counterpoise and lift mechanism October 21, 1997
An apparatus for supporting a cylinder within a processing unit is provided, the cylinder having a releasable end portion and a removably sleeve mounted thereon. A counterpoise assembly is assigned to one end of the cylinder. The cylinder is supported on both ends by support housings.
5671636 Method and apparatus for preventing circumferential separation between two gears of a gear train September 30, 1997
The present invention relates to an apparatus for preventing circumferential separation between the meshing teeth of a first gear and a second gear of a gear train. Exemplary embodiments of the invention include a first torque transmitting gear coaxially fixed to the first gear, a se
5653428 Phase control system for a folder fan August 5, 1997
A phase control system for a fan blade assembly of a folder is provided which includes a fan blade assembly, a folded product transport assembly, and a control system. The fan blade assembly includes a first and second rotating fan blade assembly. The first rotating fan blade assembly ha
5651314 Apparatus for circumferential and lateral adjustment of plate cylinder July 29, 1997
In a rotary printing press, an apparatus for adjusting the lateral and circumferential position of the plate cylinder is provided. The apparatus includes a sleeve having an inner surface with threads disposed thereon; a shaft disposed within the sleeve, and connected to the machine eleme
5647586 Method and apparatus for decelerating a flat product July 15, 1997
A device for delivering flat products, such as signatures or the like, having a plurality of fan wheels rotatably mounted on a fan wheel shaft. The fan wheels each have a plurality of fan pockets for receiving signatures emerging from a transporting device, the fan wheels being mount
5615878 Method and apparatus for accelerating and diverting flat products April 1, 1997
The present invention is directed to an apparatus, such as a folder apparatus of a web-fed printing press, having a printed product delivery with two fan wheel arrangements overlapping each other. An exemplary embodiment includes a mechanism for continuously conveying flat products.
5611530 Device for the delivery of printed products out of a fan March 18, 1997
The present invention relates to a device for the delivery of products out of fans for forming a shingled product stream. The invention uses at least one endless chain lead around a drive shaft of a fan arrangement. The chain links of the chain are equally spaced from one another. The fa
5607146 Mechanism for diverting of products in a folding apparatus March 4, 1997
A device for diverting signatures into pockets of at least two slow-down devices is provided. The device includes a set of high-speed tapes (3) arranged downstream of a pair of cutting cylinders (2). A set of diverting belts (6) comprises raised surface portions (6.3) and non-raised surf
5605267 Apparatus for automatically feeding the end of a web of material February 25, 1997
A device for automatically advancing the end of a web in a priming press. The device is particularly useful for advancing the web end over a former and into a folder unit in a press. The device includes at least one endless belt which moves from a retracted position to an engaged positio
5603263 Scraper blade and ink scavenger for printing presses February 18, 1997
The present invention relates to a device for removing ink, water and contamination build-up on an ink roller in a printing press. The present invention also relates to a device for scavenging unused ink from an ink roller in a printing press, to allow the return the unused ink to the in
5568767 Method and device for maintaining print to cut register October 29, 1996
A scanner senses the position of the individual images on the web. A cutting cylinder position is monitored by a signal generator, and may be altered by mechanically changing the phase of the cutting cylinders in relation to the image on the web based on commands relating to the image
5558615 Modular exit roller assembly September 24, 1996
A folder apparatus is disclosed which has a removable mounting plate supporting both of the corresponding exit rollers of a single lead-in tape assembly. The modular cartridge formed by the mounting plate and exit rollers allows for easy replacement of these parts in the folder.
5553546 Printing press and method for removing ink build-up September 10, 1996
A web printing press and a method of reducing ink build-up on a printing cylinder of a web printing press are described. The web is moved sideways, either by web guides or by moving a web roll stand, during a printing cylinder wash operation to aid in removing ink build-up.
5538242 Signature aiming device July 23, 1996
A folder apparatus is disclosed which has at least one lead-in tape mechanism having a left lead-in tape and left exit roller and a corresponding right lead-in tape and right exit roller, the right and left lead-in tapes forming a signature passage for delivery of a signature, and th
5535675 Apparatus for circumferential and lateral adjustment of plate cylinder July 16, 1996
In a rotary printing press, an apparatus for adjusting the lateral and circumferential position of the plate cylinder is provided. The apparatus includes a sleeve having an inner surface with threads disposed thereon; a shaft disposed within the sleeve, and connected to the machine eleme
5492062 Printing cylinder positioning device and method February 20, 1996
A device (10) and a method for positioning a rotatable printing cylinder (16) for a printing press (12). A drive (24) can rotate the cylinder (16) about a cylinder axis (52) at relatively high and low speeds. A sensor (68) is positioned adjacent to the cylinder (16) for detecting rotatio
5490666 Folder with spring-biased exit roller February 13, 1996
A folder apparatus is disclosed which has at least one lead-in tape mechanism having a left lead-in tape and left exit roller and a corresponding right lead-in tape and right exit roller, the fight and left lead-in tapes forming a signature passage for delivery of a stream of signatu
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