Device for use in Braille printing or paperless Braille communic

Details Device for use in Braille printing or paperless Braille communic Device for use in Braille printing or paperless Braille communic

1991-07-19

1993-05-11

Burr, Edgar S.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 18, B41J 312

Patent

active

052095843

ABSTRACT:
A device for forming Braille characters for tactile sensation or impression onto an embossable substrate includes a substantially block-like main body. At least one array of six Braille printing pins is contained in the block in a 2.times.3 Braille cell configuration. Each said pin is contained in a first cylindrical bore and is movable between a retracted position whereby it does not protrude from the block, and an extended position whereby the tip of the pin protrudes from the block. Means are associated with each said pin for maintaining each pin in an extended position.

REFERENCES:
patent: 3254750 (1966-06-01), Goldner
patent: 3823804 (1974-07-01), Lokey
patent: 4183683 (1980-01-01), Hiratsuka et al.
patent: 4261663 (1981-04-01), Grimnes
patent: 4653942 (1987-03-01), Soloveychik et al.
patent: 4735516 (1988-04-01), Galarneau
patent: 4930914 (1990-06-01), Hulterstrum et al.

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