IP Library Granted Patent US 8,678,568
Granted Patent B2
US 8,678,568 · App. 13/772,882 · Granted Mar 25, 2014

Image forming apparatus

Inventor: Suguru Masunaga (Kanagawa, JP)
Assignee: Ricoh Company, Ltd.
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Quick Facts
Patent No.
US 8,678,568
App. No.
13/772,882
Granted
Mar 25, 2014
Kind
B2
Abstract

An image forming apparatus includes a recording head including plural nozzles discharging liquid droplets; a head tank supplying liquid to the recording head; plural head holders each holding one or more recording heads and head tanks; a carriage exchangeably supporting the plural head holders; a main tank storing liquid to be supplied to the head tank; and plural liquid supply tubes supplying the liquid from the main tank to the head tank. Further, the plural liquid supply tubes are branched into plural groups corresponding to the plural head holders at the carriage and are connected to corresponding head tanks.

Claims (20)

1. An image forming apparatus comprising:

a recording head including plural nozzles discharging liquid droplets;

a head tank configured to supply liquid to the recording head;

plural head holders each holding one or more recording heads and head tanks;

a carriage configured to exchangeably support the plural head holders;

a main tank configured to store liquid to be supplied to the head tanks; and

plural liquid supply tubes configured to supply the liquid from the main tank to the head tanks,

wherein the plural liquid supply tubes are bundled together from the main tank to the carriage and branched into plural groups corresponding to the plural head holders at the carriage and are connected to corresponding head tanks.

2. The image forming apparatus according to claim 1 ,

wherein the plural head holders include first and second head holders which are arranged side by side along a moving direction of the carriage,

wherein the plural liquid supply tubes are branched into first and second groups at the carriage,

wherein liquid supply tubes branched into the first group are arranged on a first side of the first head holder, the first side being opposite to a second side of the first head holder, the second side of the first head holder facing a first side of the second head holder, and

wherein liquid supply tubes branched into the second group are arranged on a second side of the second head holder, the second side being opposite to the first side of the second head holder.

3. The image forming apparatus according to claim 1 , further comprising:

a flexible connecting member provided between the head tanks and one of the plural liquid supply tubes.

4. The image forming apparatus according to claim 1 ,

wherein the head tank includes a suction member disposed on a connecting part with, one of the plural liquid supply tubes.

5. The image forming apparatus according to claim 1 , further comprising:

a carriage side substrate formed on the carriage,

wherein the carriage side substrates includes connectors that are configured to be connected to electric wirings connected to the plural head holders, respectively.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 21, 2013
From: MASUNAGA, SUGURU
To: RICOH COMPANY, LTD.
Reel/Frame 029848/0111 →
Priority Claims (1)
JP 2012-054179 · Mar 12, 2012 · national
Continuity (1)
Related Publication 20130235129A1 · Sep 12, 2013