Patent · US Active

Wiper assemblies

US10845734B2 · kind B2 · utility

0Cited by

6References

13Claims

0Family size

Assignee

HP INDIGO B.V. · NL

Inventors

David Sabo · San Diego, US
John W. Godden · San Diego, US

Key dates

Filing date	Feb 27, 2017
Grant date	Nov 24, 2020
Priority date	—
Expiry date	Feb 27, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG03G15/11
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A print agent application assembly is disclosed. The print agent application assembly may include a first roller to remove print agent from a surface of a print agent transfer roller. The print agent application assembly may include a second roller having an absorbent element to engage the first roller as the second roller rotates relative to the first roller, the absorbent element to absorb print agent from the first roller. The print agent application assembly may include a wiper assembly. The wiper assembly may include a wiper element to scrape print agent from the surface of the first roller as the first roller rotates, and an engagement element to engage with and compress a portion of the absorbent element of the second roller as the second roller rotates relative to the wiper assembly. A method and a roller cleaning assembly are also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.