Liquid ejection head and liquid ejection device
First Claim
Patent Images
1. A liquid ejection head comprising:
- first and second recording element boards having recording elements for generating energy to be utilized for ejection of liquid;
first and second support members for respectively supporting the first and second recording element boards; and
a flow channel forming member carrying thereon the first and second support members arranged side by side,wherein the edge of the first recording element board located at the side of the second recording element board projects toward the second recording element board from the edge of the first support member located at the side of the second support member, andwherein a liquid supply channel is formed on the surface of the first recording element board located vis-à
-vis the first support member to supply liquid to the recording elements and a lid member is arranged between the first recording element board and the first support member to form part of the liquid supply channel.
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Abstract
A liquid ejection head includes first and second recording element boards having recording elements for generating energy to be utilized for ejection of liquid, first and second support members for respectively supporting the first and second recording element boards, and a flow channel forming member carrying thereon the first and second support members arranged side by side. The edge of the first recording element board located at the side of the second recording element board projects toward the second recording element board from the edge of the first support member located at the side of the second support member.
25 Citations
24 Claims
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1. A liquid ejection head comprising:
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first and second recording element boards having recording elements for generating energy to be utilized for ejection of liquid; first and second support members for respectively supporting the first and second recording element boards; and a flow channel forming member carrying thereon the first and second support members arranged side by side, wherein the edge of the first recording element board located at the side of the second recording element board projects toward the second recording element board from the edge of the first support member located at the side of the second support member, and wherein a liquid supply channel is formed on the surface of the first recording element board located vis-à
-vis the first support member to supply liquid to the recording elements and a lid member is arranged between the first recording element board and the first support member to form part of the liquid supply channel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A liquid ejection device comprising a liquid ejection head and supply means for supplying liquid to the liquid ejection head, the liquid ejection head comprising:
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first and second recording element boards having recording elements for generating energy to be utilized for ejection of the liquid; first and second support members for respectively supporting the first and second recording element boards; and a flow channel forming member carrying thereon the first and second support members arranged side by side, wherein the edge of the first recording element board located at the side of the second recording element board projects toward the second recording element board from the edge of the first support member located at the side of the second support member, and wherein a liquid supply channel is formed on the surface of the first recording element board located vis-à
-vis the first support member to supply liquid to the recording elements and a lid member is arranged between the first recording element board and the first support member to form part of the liquid supply channel.
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15. A liquid ejection head comprising:
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first and second recording element boards having recording elements for generating energy to be utilized for ejection of liquid; first and second support members for respectively supporting the first and second recording element boards; and a flow channel forming member carrying thereon the first and second support members arranged side by side, wherein the edge of the first recording element board located at the side of the second recording element board projects toward the second recording element board from the edge of the first support member located at the side of the second support member, wherein the circumferential profiles of the first and second recording element boards are parallelogrammic. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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24. A liquid ejection device comprising a liquid ejection head and supply means for supplying liquid to the liquid ejection head, the liquid ejection head comprising:
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first and second recording element boards having recording elements for generating energy to be utilized for ejection of the liquid; first and second support members for respectively supporting the first and second recording element boards; and a flow channel forming member carrying thereon the first and second support members arranged side by side, wherein the edge of the first recording element board located at the side of the second recording element board projects toward the second recording element board from the edge of the first support member located at the side of the second support member, and wherein the circumferential profiles of the first and second recording element boards are parallelogrammic.
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Specification