Printing device for distance counter mechanism

Details Printing device for distance counter mechanism Printing device for distance counter mechanism

1980-12-03

1983-01-25

Apley, Richard J.

Printing

Selective or progressive

Printing members

101 90, B30B 906, B30B 900

Patent

active

043697046

ABSTRACT:
A printing mechanism, particularly for a counter device which records distances, is formed with a pair of sets of print wheels with a housing defining a slot through which a voucher may be passed to have imprinted thereon information contained on the print wheels. Platens are arranged to press the voucher against the print wheels and platen carriers which are rotatably mounted have the platens eccentrically mounted thereon. Overcenter springs engage the platen carriers, and after the carriers have been rotated through a predetermined angle, the overcenter springs drive the carriers through a further angle of rotation during which the platens are pressed against the print wheels during the printing process. The angle through which the platen carrier is initially rotated to load the overcenter spring is less than the angle through which the platen carrier is driven by the loaded overcenter spring.

REFERENCES:
patent: 3330207 (1967-07-01), De Man
patent: 3756151 (1973-09-01), Zofchak
patent: 3920113 (1975-11-01), Tamai
patent: 4003307 (1977-01-01), Sano et al.

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