Class 84/521 - With magnetic disks

Subclass of Class 84 - Music
Definition: The leaves carry iron disks to be attracted by magnets on
No. of patents: 3
Last issue date: 11/19/1996

Number	Title	Issue Date
5575097	Page turning device A page turning device for use with any bound pages such as books, music scores, or binders, which have small ferrous elements (14) attached to the edge of each page. The device uses a motorized arm (16) with a magnetic tab (17) mounted on the end to engag...	11/19/1996
5367804	Indicating register Presented is an indicating register that serves for indicating the content of magazine or the like, and having a simple and space-saving construction. Several pivotably-journaled pages each have a page appendage projecting from their pivot axis and offset...	11/29/1994
4773297	Page turning device A page turning device. Ferrous flat plate members are detachably secured to the pages to be turned of a book. A magnet member is carried by an elongate arm member that is pivotally mounted to swing in a plane. In a first embodiment, a spring member under ...	09/27/1988

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