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US 12,643,322 B2Granted
Drive unit, liquid discharge head, and liquid discharge apparatus
AssigneeRicoh Company, Ltd.
InventorsKeitaroh Sakai, Ryo Honda
Life of this patent
Estimating the term…
Abstract
A driver unit includes a driver contractible and expandable in a longitudinal direction of the driver, and a holder contractible and expandable in a longitudinal direction of the holder, the holder configured to apply pressure to the driver, wherein the holder includes a driver housing holding the driver, and a contact member attached to an end portion of the holder and contacting an end portion of the driver.
Claims13
A liquid discharge head, comprising:
- a nozzle from which a liquid is discharged;
- a driver unit including:
- a driver contractible and expandable in a longitudinal direction of the driver;
- and
- a holder contractible and expandable in a longitudinal direction of the holder, the holder to apply pressure to the driver;
- and
- a valve coupled to one end of the holder, the valve to openably close the nozzle, wherein
- the holder is a frame in which multiple elongated structures extending in the longitudinal direction of the driver are around the driver,
- the holder includes:
- a driver housing holding the driver, the driver housing including an end wall at an end portion of the holder;
- and
- a screw screwed into the end portion of the holder and contacting an end portion of the driver,
- the screw is screwed through the end wall to contact the end portion of the driver,
- an adhesive is disposed between the screw and the valve, and
- the adhesive fixes the screw and the valve to the driver housing.
12 more elements
A liquid discharge head, comprising:
- a nozzle from which a liquid is discharged;
- a driver unit including:
- a driver contractible and expandable in a longitudinal direction of the driver;
- and
- a holder contractible and expandable in a longitudinal direction of the holder;
- and
- a valve coupled to one end of the holder, the valve to openably close the nozzle, wherein
- the holder is a frame in which multiple elongated structures extending in the longitudinal direction of the driver are around the driver,
- the holder includes:
- a driver housing holding the driver, the driver housing including an end wall at an end portion of the holder;
- and
- a screw screwed into the end portion of the holder and to adjust an inner dimension of the driver housing in the longitudinal direction of the holder,
- the screw is screwed through the end wall to contact the end portion of the driver,
- an adhesive is disposed between the screw and the valve, and
- the adhesive fixes the screw and the valve to the driver housing.
12 more elements
Dependencies are inferred from the claim text.