Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent
1979-06-19
1981-11-24
Pieprz, William
Typewriting machines
Typing by other than type-face or type-die
Character formation by impact
335128, 335275, B41J 312
Patent
active
043021140
ABSTRACT:
A wire printer including a group of substantially straight and parallel printing wires or needles guided at their front end for longitudinal movement towards and away from a printing station. Each of the printing wires is at its rear end connected to one end of an electromagnet armature the other end of which is supported by a flat spring. The armature cooperates with an electromagnet core provided with a winding. The core as well as the armature consist of strips of magnetic material. The core strips as well as the flat springs are mounted on at least one common rod engaging holes in the rear ends of said core strips and flat springs. The front end of each of the flat springs lies clear of the armature strip and serves, in combination with a stationary rest, to provide a force tending to move the front end of the armature strip away from the core strip.
REFERENCES:
patent: 1673024 (1928-06-01), Royal
patent: 2502842 (1950-04-01), Hickman
patent: 3158712 (1964-11-01), De Fligue
patent: 3217640 (1965-11-01), Bradshaw
patent: 3273087 (1966-09-01), Huckabee
patent: 3505629 (1970-04-01), Krantwald et al.
patent: 3958200 (1976-05-01), Mally
patent: 3973661 (1976-08-01), De Boo et al.
patent: 4008447 (1977-02-01), Anderson et al.
patent: 4072224 (1978-02-01), Barnaby et al.
Kochanowsky et al., "Push Pull Wire Driver", IBM Technical Disclosure Bulletin, vol. 21, No. 4, pp. 1335-1336, 9/78.
LandOfFree
Electromagnetic wire printer does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Electromagnetic wire printer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electromagnetic wire printer will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2172030