Three-side cutting apparatus
Patent 4922773 Issued on May 8, 1990. Estimated Expiration Date: 
June 9, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 9, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2520837 3146650 3176556 3627301 3722336 3884102 3906829 Bandsaw book trimmer Sheet metal cutting Apparatus for trimming stacks of paper sheets or the like InventorAssigneeApplicationNo. 363797 filed on 06/09/1989US Classes:83/76.6, Arithmetically determined program83/207, Work moved solely by movable abutment83/421, With means to adjust additional means83/731, By cable or belt drive83/934, Book, being made; e.g., trimming a signature198/345.1, Means engaging conveyor or load on a conveyor to align load for working271/236, For front and side alignment of sheet271/254During operation of feederExaminersPrimary: Yost, Frank T.Assistant: Rada, Rinaldi I. Attorney, Agent or FirmForeign Patent References
International ClassesB26D 001/09B26D 005/06 AbstractA three-side cutting apparatus which cuts a carried-in book at its top, bottom and side. The apparatus comprises top and bottom size setters; transverse size setter; transfer quantity calculating member for calculating a quantity of transfer of the book to the cutting position on the basis of the signal indicative of the transverse size from the transfer size setter and outputting a signal indicative of the transfer quantity; top and bottom cutters for moving a pair of opposing cutters toward and away from each other under control of the signal indicative of the top and bottom sizes; position adjuster controlled in accordance with the signal indicative of the top and bottom sizes for adjusting the position where the book is fed in; aligner controlled by the signal indicative of the transverse size for moving the aligning position and the position of the back of the book; and feed-in member for setting a movement distance based on the signal indicative of the movement quantity and moving the book to the cutting position.Field of SearchBy cable or belt drivePositioning of tool controlled With means to adjust additional means Work moved solely by movable abutment Book, being made; e.g., trimming a signature Arithmetically determined program For front and side alignment of sheet With means to adjust position of aligner During operation of feeder | |
