Card keying device

Details Card keying device Card keying device

1982-05-17

1984-10-23

Bilinsky, Z. R.

Geometrical instruments

339184M, 339186M, H01R 1364

Patent

active

044784694

ABSTRACT:
A male-female keying device formed of two elongated strips, one on each element that is to be keyed. Correspondingly positioned holes are in each strip. A few projecting male pins are located in selected holes in one strip and several non-projecting pins are located in each hole of the other strip except those holes that are positioned to receive the male projecting pins. A pair of spaced apart elongated pins act as guides in assembling the two strips.
A relatively large number of holes in both strips allows a very large number of codes to be arranged, whereby only one pair of male and female strips can be mated.

REFERENCES:
patent: 2928998 (1960-03-01), Brumfield
patent: 3054078 (1962-09-01), Boshkin
patent: 3139492 (1964-06-01), Cage, Jr.
patent: 3200361 (1965-08-01), Schwartz et al.
patent: 3320572 (1967-05-01), Schwartz
patent: 3447036 (1969-05-01), Dore et al.
patent: 3818280 (1974-06-01), Smith et al.

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