Transport mechanism for stationary encoders

Advancing material of indeterminate length – Means to engage longitudinally spaced modifications in material – Prong operable intermittently to prevent longitudinal...

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Details

226 62, 226 67, G03B 122

Patent

active

042366593

ABSTRACT:
A mechanism is disclosed for feeding tag stock having spaced-apart drive holes and comprises a pair of slidably mounted carrier arms beneath the tag stock each having a plurality of spring loaded pins on an end thereof. The pins of each carrier arm are alternately brought into engagement with the tag stock by means of a rotating cam which engages a follower on the carrier arm. A pin in each of the carrier arms will alternately engage a hole in the tag stock in registery therewith to sequentially advance the tag stock a desired increment of distance as the cam continues to rotate.

REFERENCES:
patent: 1560908 (1925-11-01), Garbutt
patent: 2633056 (1953-03-01), Lang
patent: 3587960 (1971-06-01), Gerb
patent: 4017167 (1977-04-01), Mitchell
patent: 4022365 (1977-05-01), Weller

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