Closure device for a book, in particular for a notebook or memorandum section, and book

摘要

Closure device (10) for a book (50), in particular for a notebook or memorandum no, characterized in that the closure device (10) which, in particular, is made of metal, of at least a first joint element (21), a third joint element (23) and a between the first joint element (21) and the third joint element (23) and a second joint element (22), wherein the second joint element (22) is designed as a length-adjustable clamping element.