Printer with improved paper dispensing mechanism

The improved paper dispensing mechanism in the printer, utilizing flexible and elastic rollers to clamp the paper, addresses the issues of paper tearing and mechanical damage in automatic processing machines, ensuring safe and efficient paper handling.

EP3831750B1Active Publication Date: 2025-03-19INT CURRENCY TECH
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Patent Information

Application Number
EP2019213447
Authority / Receiving Office
EP · EP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2019-12-04
Publication Date
2025-03-19
Estimated Expiration
2039-12-04

AI Technical Summary

Technical Problem

Existing automatic processing machines with printing modules often experience paper tearing and mechanical structure damage when users prematurely pull continuous sheets of paper before the dispensing operation is complete.

Method used

A printer with an improved paper dispensing mechanism featuring two rollers made of flexible and elastic material, pressed against each other, and positioned such that the distance between their centers is less than the combined radius, effectively clamping the paper and preventing it from being pulled outward.

Benefits of technology

The solution prevents paper tearing and mechanical damage by ensuring the paper is not pulled outward when picked up, thus saving paper, reducing costs, and avoiding structural abnormalities.

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Abstract

A printer includes a housing (1) having a reel mounted therein to support a paper roll (11) and a paper exit (121) formed in a front panel (12) thereof, a printing mechanism positioned in the housing and having a printing head (21) for printing an ink on the sheet of paper, a paper cutter (22) for cutting the sheet of paper and a paper path (20) defined between the printing head and the paper cutter for the passing of the leading end of the sheet of paper, and a paper dispensing mechanism (3) positioned in the housing including a drive module (31) and a paper dispensing roller set drivable by the drive module to carry the sheet of paper toward the paper exit (121). The paper dispensing roller set consist of two rollers (321) made of a flexible and elastic material and pressed against each other. The distance between the center of the two rollers is less than the combination of the radius of the two rollers (321).
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