Loose-leaf photo album

Details Loose-leaf photo album Loose-leaf photo album

1988-10-13

1990-01-30

Watts, Douglas D.

Books, strips, and leaves

Book, element thereof, or accessory therefor

40530, 16222, B42D 500, G09F 1900, B05D 1100

Patent

active

048969001

ABSTRACT:
This invention discloses a loose-leaf binder such as a loose-leaf photo album or a loose-leaf file binder, which is disposed a plurality of hinge members having a pillar at one end and an axially concave knuckle at the other end. A slit is formed on the outer wall of the concave knuckle so that a pillar may be inserted into the concave knuckle therefrom. When the assembly is completed, a single page of the photo album or file is created. With the addition of many single pages, a complete photo album or file is formed. The hinge members of the pages of this loose-leaf binder may be easily attached and detached so as to increase or decrease the number of pages of the binder as desired.

REFERENCES:
patent: 2776521 (1957-01-01), Zimmerman
patent: 3952369 (1976-04-01), Erickson
patent: 4180341 (1979-12-01), Langhorst
patent: 4408430 (1983-10-01), Wangler
patent: 4601489 (1986-07-01), Stancato
patent: 4713861 (1987-12-01), Bancroft

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