Electronic thermograph

Details Electronic thermograph Electronic thermograph

1979-01-15

1981-02-24

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

346136, 242 673R, B65H 1704

Patent

active

042522838

ABSTRACT:
A thermograph adapted to be pre-loaded with chart paper upon which shipping information can be written, and comprising an instrument unit enclosed in an expendable container for automatic operation and security assured by a seal, the instrument being electro-mechanical wherein solid state circuitry horoligically controls a prime mover to advance the chart on a time basis and including a chassis over which the chart is guided onto a spool journaled therein, and a spool drive carrier depending from the chassis and keyed into alignment with and having a motor and gear drive to the spool.

REFERENCES:
patent: 2398226 (1946-04-01), Holland
patent: 3743201 (1973-07-01), Tarantino et al.
patent: 3787885 (1974-01-01), Johnson
patent: 3934835 (1976-01-01), Maxwell
patent: 4074275 (1978-02-01), Stires

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