Inkjet printing device

The biasing device with a shaft unit, bracket unit, spring unit, and lock pin mechanism addresses inefficiencies in print head attachment and detachment, enhancing maintenance efficiency and printing accuracy in inkjet printing devices.

JP7874845B2Active Publication Date: 2026-06-17MIYAKOSHI PRINTING MACHINERY
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
MIYAKOSHI PRINTING MACHINERY
Filing Date
2023-09-25
Publication Date
2026-06-17

AI Technical Summary

Technical Problem

Inkjet printing devices face inefficiencies in print head attachment and detachment, leading to poor maintenance efficiency and variations in printing accuracy due to the use of fixing screws or bolts.

Method used

The device employs a biasing device with a shaft unit, bracket unit, spring unit, and lock pin mechanism to facilitate easy attachment and detachment of the print head, ensuring consistent biasing force for stable printing accuracy.

Benefits of technology

The mechanism allows for simple and efficient attachment and detachment of print heads, minimizing variations in printing accuracy and reducing the time required for maintenance.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

To facilitate attachment and detachment of a head part and preventing printing accuracy from varying when attaching the head part.SOLUTION: An inkjet printing device comprises: a plurality of head parts constituted of a head main body part and a base part 21; a line block frame 22 for supporting the base part from below; and an energizing device 23 for attaching the base part to the line block frame while energizing the base part toward the line block frame. The energizing device has: a shaft part 30 attached to the line block frame; a bracket part 31 attached through a bearing part 30a1 so that the part can move up and down along the shaft part; a spring part 32 for energizing the bracket part downward; and a lock pin 33 protruding downward from the bracket part. During the energization, a lock pin is arranged on an upper surface of the base part, and when the energization is released, the lock pin is lifted upward, which can facilitate attachment and detachment of the head part and can prevent printing accuracy from varying.SELECTED DRAWING: Figure 5
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