Patent ID: 7175356
Filing Date: 2007-02-13
Classification: B41J

Abstract:
1. In a thermal printing apparatus, a head support for a thermal head, comprising: first and second spaced plates, said first spaced plate being connected with said thermal printing apparatus, and said thermal head being supported by said second spaced plate for juxtaposition to a printing roller or said thermal printing apparatus; connection means for connecting said first and second spaced plates together for movement of said thermal head relative to said printing roller; resilient means associated with said first and said second spaced plates for permitting said second spaced plate to be movable relative to said first spaced plate in a longitudinal and a transverse direction whereby to maintain said printing head in proper contact with printing paper positioned between said printing head and said printing roller; springs, and a support for said springs on said first spaced plate, and connectors associated with said second spaced plate coupled with said support and passing through said springs for permanently positioning said springs between said first and said second spaced plates; and wherein said springs include three anterior springs and a posterior spring which cooperate to overcome incorrect dispositions of said thermal head in a transversal way and compensation is determined by the said three front or anterior springs and by means of said posterior springs.