Elongated-member-driving apparatus – With means to move or guide member into driving position – Including supply magazine for constantly urged members
Patent
1993-03-26
1994-10-18
Rada, Rinaldi I.
Elongated-member-driving apparatus
With means to move or guide member into driving position
Including supply magazine for constantly urged members
227134, 227146, 227156, B25C 510
Patent
active
053560639
ABSTRACT:
A hand-operated stapler, particularly for stapling small stacks of paper or similar objects of paper, includes a base plate having two opposite ends and side parts disposed at one of the ends. A die plate is disposed at the other of the ends. A body is pivotably supported by the side parts. The body has a magazine with a center channel for receiving and guiding a strip of staples and guide ribs disposed substantially at right angles to the center channel. A push blade is guided by the guide ribs for sliding up and down to release and drive in the staples. A top part partly covers the body and acts as an operating arm. A locking and release device for the push blade is operated by the top part. The locking and release device has a pivotable latch being disposed between the top part and the body and is releasably joined to the push blade for intermittently locking the push blade in a locked position relative to a staple in the strip and for releasing the push blade in an unlocked position. The locking and release device has a spring supported on the push blade which is tensed when the unlocked position is attained for effecting a sudden release of the push blade.
REFERENCES:
patent: 2482993 (1949-09-01), Walker
patent: 4025031 (1977-05-01), Chi
patent: 4126260 (1978-11-01), Mickelsson
patent: 4150774 (1979-04-01), Wright
patent: 4184620 (1980-01-01), Ewig
patent: 4450998 (1984-05-01), Ruskin
patent: 4452388 (1984-06-01), Fealey
patent: 4463890 (1984-08-01), Ruskin
Dexter Clark F.
Erwin Muller GmbH & Co.
Greenberg Laurence A.
Lerner Herbert L.
Rada Rinaldi I.
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