Chart recorder

Details Chart recorder Chart recorder

1988-05-19

1989-11-28

Shaw, Clifford C.

Recorders

Record receivers and/or driving means therefor

Web

346 22, 346145, 346139C, G01D 1524

Patent

active

048840840

ABSTRACT:
A chart recorder is described, which is especially useful in recording the temperature of a cargo being shipped, which can be constructed at low cost and which provides a tamper-resistant and accurate record. The recorder includes a strip of pressure-markable paper having an inner portion wound into a roll and an outer portion forming a leader. The leader extends past a marking station, a transport that pulls the leader, a storage space within a housing that encloses the rest of the mechanism, and through an opening in the housing with the outer end of the strip attached to the outside of the housing. During recording, the chart is pushed by the transport station into multiple folds lying in the storage space of the housing. The strip can be removed by pulling on its outer end to pull it out of the housing. Pulling of the outer end releases the strip from the marking and transport stations.

REFERENCES:
patent: 1771272 (1930-07-01), Pudelko
patent: 4074275 (1978-02-01), Stires
patent: 4631552 (1986-12-01), Kobayashi

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