Method and apparatus for fastening sheets of paper together with

Details Method and apparatus for fastening sheets of paper together with Method and apparatus for fastening sheets of paper together with

1992-06-26

1994-02-08

Terrell, William E.

Manufacturing container or tube from paper; or other manufacturi

Assembling or disassembling of distinct members

Comprising bringing two members together

493431, 493432, 270 37, 227 81, B27F 723, B65H 4516, B41F 1362, B41F 1366

Patent

active

052844668

ABSTRACT:
Apparatus for fastening and folding stacks of paper sheets includes a stitching unit adapted to collect staples and insert them in the sheet stack while a folding knife simultaneously drives a section of the sheet stack into a gap of the stitching unit to fold the stack. The inserting edge of the folding knife provides the die for bending the inserted staple into a secured configuration. The folding knife and the stitching unit gap are preferably mounted on planet wheels of coordinated planetary gears so that the knife and the gap periodically align to fold and fasten the sheet stacks.

REFERENCES:
patent: 389147 (1888-09-01), Heyl
patent: 615253 (1898-12-01), Crowell
patent: 615255 (1898-12-01), Crowell
patent: 670624 (1901-03-01), Seymour
patent: 880499 (1908-03-01), Bechman
patent: 1124375 (1915-01-01), Wood
patent: 2082262 (1937-06-01), Sather
patent: 2207413 (1940-07-01), Quick et al.
patent: 2348605 (1944-05-01), Carpenter
patent: 2797085 (1957-06-01), Crafts
patent: 4545782 (1985-10-01), Niemiro et al.

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