Title:
PRESSURE PUMP MECHANISM FOR LIQUID CONTAINER, AND LIQUID INJECTION DEVICE
Document Type and Number:
Japanese Patent JP2007077814
Kind Code:
A
Abstract:
To provide a pressure pump for a liquid container constructed in a smaller size than a conventional size, and a liquid injection device utilizing it.
This pressure pump mechanism 40 for the liquid storage container is provided with a pair of diaphragms 61, 63 oppositely arranged on both sides, a common base 65 fixing the pair of diaphragms 61, 63, a slider 55 circumscribed on the diaphragms 61, 63 and reciprocated, and driving mechanisms 51, 53 for driving the slider 55. The common base 65 is arranged between the pair of diaphragms 61, 63, and a passage for gas led to flow into by the volumetric fluctuations of the diaphragms 61, 63 is formed.
More Like This:
Inventors:
SATO KIYONARI
Application Number:
JP2005263455A
Publication Date:
March 29, 2007
Filing Date:
September 12, 2005
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
F04B45/04; B41J2/175
Attorney, Agent or Firm:
Masahiko Ueyanagi
Fujitsuna Hideyoshi
Osamu Suzawa
Fujitsuna Hideyoshi
Osamu Suzawa