Reader with special means for transporting cards and badges of v

Registers – Coded record sensors – Feed mechanisms

Patent

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Details

271274, G06K 1300, B65H 502

Patent

active

042874092

ABSTRACT:
A reader for reading encoded data on cards, badges and the like, which cards and badges can be of differing thicknesses, having specially adapted drive roller pairs each comprising a drive roller of a first durometer and a pinch roller of a second durometer, arranged to efficiently capture the badge or card and apply a positive drive force to it. The drive roller is fixed in position and of a relatively high durometer, while the pinch roller is at contact with the drive roller in the absence of a transported card or badge, but is adapted to be displaced against a spring force to accommodate the thickness of the badge or card being read. The efficiency of capture is a function of the relative durometers of the two respective rollers of the drive roller/pinch roller pair, as well as the degree of spring force provided on the pinch roller.

REFERENCES:
patent: 3072397 (1963-01-01), Kelchner
patent: 3527406 (1970-09-01), Snellman
patent: 3562495 (1971-02-01), Grippi
patent: 3629556 (1971-12-01), Orzechowski
patent: 3836753 (1974-09-01), Pass
patent: 3964739 (1976-06-01), Garcia
patent: 4034976 (1977-07-01), Lundblad

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