Title:
SMALL-SIZED PUMP FOR UNIFORM LOADING
Document Type and Number:
Japanese Patent JPS5250003
Kind Code:
A
Abstract:
PURPOSE: Adoption of a spring with an appropriate spring constant between a plunger and a plunger-operating screw in a small sized pump used for a strengthtesting jack for proportioning accurately a gain of the plunger and a operating oil pressure to each other.
Inventors:
IWASAKI KAZUO
ZAYASU YOSHIYUKI
ZAYASU YOSHIYUKI
Application Number:
JP12544675A
Publication Date:
April 21, 1977
Filing Date:
October 20, 1975
Export Citation:
Assignee:
IWASAKI KAZUO
ZAYASU YOSHIYUKI
ZAYASU YOSHIYUKI
International Classes:
F04B13/00; F04B51/00; (IPC1-7): F04B13/00; F04B51/00