Hopper and feed for plastic book-binding strips
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United States of America Patent
Stats
-
Oct 31, 1995
Grant Date -
N/A
app pub date -
May 3, 1994
filing date -
May 3, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Plastic binding strips used with this invention comprise a female strip consisting of a narrow, thin plastic strip formed with spaced apertures and grooves communicating with the apertures and a male strip comprising a narrow plastic strip having bendable studs projecting at fight angles therefrom spaced to fit through holes in the pages to be bound and the apertures in the female strip. Such strips are packaged in cassettes. The hopper for the female strips receives a stack of cassettes. Strips are fed from the lowermost cassette by a horizontally reciprocating finger onto a transverse ways and then feed along the ways to an assembly station. When the lowermost cassette is empty, its support is removed and the next cassette is moved into place. The male hopper is similar to the female except that the studs require greater spacing between cassettes and provision is made in the feed structures for the upward projection of the studs.
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