Wireworking – Article making or forming – Clips
Patent
1979-07-09
1982-01-12
Bell, Paul A.
Wireworking
Article making or forming
Clips
83886, 83887, 140139, 225100, B21F 300, B21F 1100, B21F 2300, B21F 4518
Patent
active
043100325
ABSTRACT:
An apparatus for making paper clips which includes cutting predetermined lengths of wire by advancing a continuous wire at a predetermined speed to a cutting station. The cutting station includes knife means with the knife having a cutting blade edge for penetrating the wire. Delivery means to engage the wire are provided along the path downstream of the cutting station for advancing the wire into a receiving slot. The receiving slot is provided with a deflecting member at an acute angle to the path of the wire and a magnet. The cut wire is then lifted out of the slot by an elevator platform means, and the wire is engaged by a ramming plate associated with three spindles, each spindle adapted to pass through a respective die member and the die member having spiral bending edges for bending the cut wire about the respective spindles for forming the paper clip.
REFERENCES:
patent: 1313054 (1919-08-01), Berry
patent: 2471447 (1949-05-01), Perkins
patent: 2541376 (1951-02-01), Nelson
patent: 3061919 (1962-11-01), Tack
patent: 3175301 (1965-03-01), Duff et al.
patent: 3508693 (1970-04-01), Rossi
patent: 3760931 (1973-09-01), Buchheit
patent: 4095498 (1978-06-01), Biggar
Bell Paul A.
Dextrous Engineering & Sales Corp.
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