The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 14, 2023
Filed:
Dec. 29, 2020
Ricoh Company, Ltd., Tokyo, JP;
Ryohta Yoneta, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A liquid discharge apparatus includes a plurality of heads configured to discharge a liquid, a supply channel connected to the plurality of heads, the supply channel configured to supply the liquid to the plurality of heads, a collection channel connected to the plurality of heads, the collection channel configured to collect the liquid from the plurality of heads, a supply damper configured to define a deformable wall of the supply channel, a collection damper configured to define a deformable wall of the collection channel, a supply damper chamber facing the supply damper, a collection damper chamber facing the collection damper, a pressure pump configured to apply a pressure to the supply damper chamber, and a depressurize pump configured to apply a negative pressure to the collection damper chamber.