US 11,142,008 B2Granted

Liquid ejecting unit and liquid ejecting apparatus

AssigneeSeiko Epson Corporation

InventorsDaiki Tatsuta, Masaaki Ando, Junya Suzuki, Takao Yamamoto, Ken Yamagishi

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Abstract

A liquid ejecting unit includes: a liquid ejecting head; and a coupling member coupled to the liquid ejecting head, in which the liquid ejecting head has a first-coupling portion and a second-coupling portion, the liquid ejecting unit further includes: a first-attachment portion provided in a first-position of the coupling member; a second-attachment portion provided in a second-position of the coupling member, the second position being different from the first position; a first-elastic body; and a second-elastic body, and the first-elastic body biases the first-attachment portion or the first-coupling portion in a state in which the first-attachment portion is in contact with the first-coupling portion and the second-elastic body biases the second-attachment portion or the second-coupling portion in a state in which the second-attachment portion is in contact with the second-coupling portion, so that the coupling member is coupled to the liquid ejecting head.

Claims19

Dependent claims

A liquid ejecting unit comprising:

a liquid ejecting head configured to eject a liquid;
and
a coupling member being coupled to the liquid ejecting head, wherein
the liquid ejecting head has a first coupling portion and a second coupling portion,
the liquid ejecting unit further comprises:
a first attachment portion provided in a first position of the coupling member;
a second attachment portion provided in a second position of the coupling member, the second position being different from the first position;
a first elastic body that elastically biases the first attachment portion or the first coupling portion;
and
a second elastic body that elastically biases the second attachment portion or the second coupling portion, and
the first elastic body biases the first attachment portion or the first coupling portion in a state in which the first attachment portion is in contact with the first coupling portion and the second elastic body biases the second attachment portion or the second coupling portion in a state in which the second attachment portion is in contact with the second coupling portion, so that the coupling member is coupled to the liquid ejecting head, wherein
the first attachment portion has
a base portion provided in the coupling member, and
a support portion that is provided in the base portion and that is in contact with the first coupling portion,
the coupling member is located between the first elastic body and the support portion,
the first coupling portion includes a coupling surface that faces away from the coupling member, and
the first elastic body biases the first attachment portion or the first coupling portion in a biasing direction facing away from the support portion with respect to the coupling surface in a state in which the support portion is in contact with the coupling surface of the first coupling portion.

14 more elements

A liquid ejecting unit comprising:

a liquid ejecting head configured to eject a liquid;
and
a coupling member being coupled to the liquid ejecting head, wherein
the liquid ejecting head has a coupling portion,
the liquid ejecting unit further comprises:
an attachment portion provided in the coupling member;
and
an elastic body that elastically biases the attachment portion or the coupling portion,
in a state in which the attachment portion is in contact with the coupling portion, the elastic body biases the attachment portion or the coupling portion, so that the coupling member is coupled to the liquid ejecting head,
the attachment portion has
a base portion provided in the coupling member, and
a support portion that is provided in the base portion and that is in contact with the coupling portion,
the attachment portion is switched, through rotation, between a first state in which the support portion is not in contact with the coupling portion and a second state in which the support portion is in contact with the coupling portion, and
the attachment portion rotates about a central axis of the base portion, and is thus switched between the first state and the second state.

11 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/821,408Filed 17 Mar 2020
Priority: JP JP2019-05235420 Mar 2019
Published: US 2020/0298598 A124 Sep 2020
Granted: 12 Oct 2021
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

B41J 25/34
Actions or mechanisms not otherwise provided for: bodily-changeable print heads or carriages
B41J 2/1752
Ink cartridges: mounting within the printer
B41J 2202/14
Embodiments of or processes related to ink-jet heads: mounting head into the printer
B41J 2202/19
Embodiments of or processes related to ink-jet heads: assembling head units