Books – strips – and leaves – Book or leaf holder
Patent
1980-04-28
1982-09-28
Bell, Paul A.
Books, strips, and leaves
Book or leaf holder
412 3, 412 34, B42D 300, B42F 900
Patent
active
043515460
ABSTRACT:
In a channel clip report binder of the type wherein the marginal edges of a stack of leaves to be bound together are clipped between a pair of resilient side walls of a channel clip member, a cover is provided by hinging together major and minor portions of front and back cover sheet portions, respectively. The minor portions of each of the front and back cover sheets are bonded to the outer faces of the channel side walls in mutually opposed face-to-face relation. The hinges of each of said front and back cover sheets are disposed generally parallel to and adjacent to the base portion of the channel clip member. In one method of cover construction, a unitary cover sheet is pleated to provide a minor cover portion having one inwardly directed inverted V-shaped pleat adapted to receive the channel clip member. In an alternative method of cover fabrication, a unitary cover sheet is pleated to form a minor cover portion of generally M-shaped cross section having the V-shaped central region of the M-shaped pleat disposed to be received within and clipped within the channel clip member.
REFERENCES:
patent: 3347243 (1967-10-01), Ravenal
patent: 3881203 (1975-05-01), Giulie
patent: 3947138 (1976-03-01), Eshelman
Aine Harry E.
Bell Paul A.
Brown John S.
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