Source: http://www.google.com/patents/US7690882?dq=mirroring+data+in+a+remote+data+storage+system
Timestamp: 2016-07-24 15:04:15
Document Index: 536331012

Matched Legal Cases: ['art 180', 'art 180', 'art 180', 'art 180', 'art 180', 'art 180', 'art 180']

Patent US7690882 - System and method for inverting folded stacks of continuous web - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsThis invention provides a system and method for separating, folding, stacking and transporting a continuous web that allows stacks of web that are relatively large (four-feet-high or more) to be generated at high speed directly beneath the folding mechanism and to be transferred as complete, discrete...http://www.google.com/patents/US7690882?utm_source=gb-gplus-sharePatent US7690882 - System and method for inverting folded stacks of continuous webAdvanced Patent SearchPublication numberUS7690882 B1Publication typeGrantApplication numberUS 12/176,952Publication dateApr 6, 2010Priority dateSep 29, 2006Fee statusPaidAlso published asUS7402130, US7654947, US8360948Publication number12176952, 176952, US 7690882 B1, US 7690882B1, US-B1-7690882, US7690882 B1, US7690882B1InventorsRichard A. Sjostedt, Steven P. Lewalski, Bruce J. Taylor, John M. FiskeOriginal AssigneeLasermax Roll Systems, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (28), Referenced by (7), Classifications (25), Legal Events (1) External Links: USPTO, USPTO Assignment, EspacenetSystem and method for inverting folded stacks of continuous web
US 7690882 B1Abstract
This application is a divisional of copending U.S. patent application Ser. No. 11/541,120, filed on Sep. 29, 2006, entitled SYSTEM AND METHOD FOR FOLDING AND HANDLING STACKS OF CONTINUOUS WEB, which is hereby incorporated by reference
In high-speed, large-volume printing operations, such as those employed in bulk-mailing activities and print-on-demand applications, it is quite common to use a continuous web that contains printing and other enhancements. This web is transferred through a variety of operations within the overall printing system. A printed web may be fed initially to downstream web utilization devices (such as printers, embossers, cutters and folders) using a driven roll stand that pays out web from a source roll as the web is drawn by the downstream devices. The web may, at various time in the process be draw up onto a take-up roll for refeeding to a further downstream web-utilization process. At some stage in the process it may be desirable to maintain the web in continuous form, but render it into one or more stacks of folded continuous web. Typically, web is folded into a stack in a “zigzag” fashion in which individual, substantially equal-length sections or pages are folded atop one another. Often, the web includes widthwise perforations, crease lines or other stress-relief points that facilitate folding by a set of folder beater units along the desired fold lines. These can be applied by a web manufacturer and exist in the web of the original source roll, or can be added by a particular utilization device in the system. A prior art folder is shown and described in U.S. Pat. No. 5,558,318, entitled SEPARATOR FOR FORMING DISCRETE STACKS OF FOLDED WEB, by H. W. Crowley, et al., the teachings of which are expressly incorporated herein by reference. This folder is designed to create short discrete stacks that are drawn away by a conveyor belt, or a continuous flow (“waterfall”) of folded web that must be collected into a larger-height stack at a location remote from the conveyor.
Downstream of the cutter 256 is positioned a folding mechanism 280. The construction and function of the folding mechanism 280 is described in substantial detail below. In general (referring as needed to the exposed views of FIGS. 3, 4 and 6), the folding mechanism 280 consists of a reciprocating/swinging pendulum or director chute 420, through which the web passes. The director chute 420 completes one swing cycle (from side-to-side) for each “page” or section length of folded web. The downstream end of the director chute 420 can include a driven roller assembly 422 to assist on driving web out of the chute, particularly after the cutter has separated the web. In addition, the downstream end of the chute can also include opposing pairs of extendible fingers 430 and 432 that are selectively actuated to move between a retracted position out of the web path and an extended position, which aids in guiding the web at the end and beginning of stack formation. The operation of the fingers 430, 432 is described in detail below.
Having described the device's components for cutting, folding, stacking and transporting of web, the operation of the device will now be described in further detail. FIGS. 9 and 10 show the beginning of the formation of a new stack 910 as web 202 is driven out of the feed loop 206, up the ramp 126 and into the components for cutting, folding and stacking 280. The swinging director chute (pendulum) 420 guides driven web into the beaters and spirals (omitted for clarity—for illustration of beaters 440, 442 and spirals 444, 446, refer variously to FIGS. 2, 4, 6, 7 and 8 described above). The beaters and spirals crease the web along perforations or other stress reliefs to conventionally form a stream of zigzag folded sections or pages 920. The respective front and rear fold edges 1010, 1012 of the pages 920 are deposited into the confines of the respective stack guides 472, 470, as shown. The side guides 282 have been omitted for clarity. As will be described below, the compression plate assemblies 780, 882 include respective moving plates 1030 and 1032 that define a plurality of finger or claw-like projections (see fingers 775 in FIG. 7).
As now shown in FIG. 40, the inverted stack 910 is decompressed as the lifter moves the cart 180B and stack 910 downwardly (arrow 4012). This moves the new stack top 4020 out of engagement with the inverted cart 180 (arrow 4020). The now empty (formerly) lower cart 180 is moved upwardly (arrow 4022) away from the stack 910 by the lifter, and now resides at the top of the framework 3634. Once the wheels of the cart 180B with the inverted stack contact the floor, the cart 180B can be withdrawn from the brackets 3661, and moved to a remote location. Due to the relative symmetry of the inverter framework 3634, the cart 180 can remain in this position after the cart 180B and inverted stack are withdrawn. The next cart can be driven into the brackets 3661 at this time and the inversion of a new stack can occur. Either rotating the inverter counter clockwise, opposite the direction shown above, or continuing the depicted clockwise rotation—when no fixed rotational stop is provided.
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