Modular inkjet printhead with mating formations
First Claim
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1. A pagewidth printhead for an inkjet printer, the printhead comprising:
- an elongate support;
a plurality of printhead modules supported by the support, each printhead module comprising rows of unit cells, each unit cell comprising a nozzle through which ink is ejected and an actuator for ejecting ink from the nozzle; and
an engagement mechanism having complementary formations defined on opposite edges of each printhead module to engage the printhead modules together in series along the support, whereinthe engagement mechanism includes a biasing means configured to press the serially arranged printhead modules together, andsaid biasing means includes at least one compression spring.
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Abstract
A pagewidth printhead is provided for an inkjet printer. The printhead includes an elongate support. A plurality of printhead modules is supported by the support. Each printhead module includes rows of unit cells. Each unit cell includes a nozzle through which ink can be ejected and an actuator configured to eject ink from the nozzle. Opposite edges of each printhead module define complementary formations so that the printhead modules can be engaged together in series along the support.
9 Citations
4 Claims
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1. A pagewidth printhead for an inkjet printer, the printhead comprising:
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an elongate support; a plurality of printhead modules supported by the support, each printhead module comprising rows of unit cells, each unit cell comprising a nozzle through which ink is ejected and an actuator for ejecting ink from the nozzle; and an engagement mechanism having complementary formations defined on opposite edges of each printhead module to engage the printhead modules together in series along the support, wherein the engagement mechanism includes a biasing means configured to press the serially arranged printhead modules together, and said biasing means includes at least one compression spring. - View Dependent Claims (2, 3, 4)
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Specification