| 摘要 |
<p>A trimmer (1) is disclosed from trimming excess margins (M) along one, two or three edges of a perfect bound book (B) is disclosed. The trimmer has a shearing blade (15) movable in a shearing plane (SP) between an open and a closed position. The book is gripped by a book holder (35) proximate the spine (S) of the book and the book holder is vertically positioned such the shear blade will shear the book in a predetermined position along this first edge of the book. The book holder is then moved transversely with respect to the blade and the book is rotated 180 DEG and the book holder is vertically positioned so that a predetermined amount of the margin along the second edge is trimmed from the book upon closing of the shear blade. The book is then moved transversely to a third position and the book is rotated 90 DEG and the book holder is vertically positioned so that a predetermined amount of the margin along this third edge is trimmed from the book upon closing of the shear blade. A method of trimming perfect bound books is also disclosed.</p> |
