Books – strips – and leaves – Book – element thereof – or accessory therefor – Covers
Patent
1986-02-13
1987-06-30
Bell, Paul A.
Books, strips, and leaves
Book, element thereof, or accessory therefor
Covers
281 30, 24306, 40159, 434248, B42D 300, A44B 1800, G09F 110, A63B 6900
Patent
active
046765271
ABSTRACT:
A folder is especially designed for use by an athletic coach or instructor. The folder includes a pair of stiff, rectangular supports or covers joined in the folding fashion by a linear hinge. On both the interior and exterior surface of at least one of the covers there are a plurality of releasable fastening elements, such as velcro pads. A rectangular chalkboard is provided having a top surface permanently marked with a diagram of the competition area and demarkation lines an athletic sport. The undersurface of the chalkboard is equipped with second, mating releasable fastener elements, that are releasably engageable with the first fastening elements. A magnetic board is likewise provided having a top surface permanently marked with a diagram of the competition area and demarkation lines of an athletic sport with the undersurface of the magnetic board equipped with second releasable fastening elements arranged in the same mirror image pattern as that on the surfaces of the cover.
REFERENCES:
patent: 2030135 (1936-02-01), Carpenter
patent: 3403429 (1968-10-01), Smith
patent: 3685170 (1972-08-01), Fairleigh
patent: 3766676 (1973-10-01), Slemmons
patent: 4470620 (1984-09-01), Gerch
Bell Paul A.
Heyrana Sr. Paul M.
Thomas Charles H.
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