JPS5264003A - Hand pump - Google Patents

Hand pump

Info

Publication number
JPS5264003A
JPS5264003A JP14088575A JP14088575A JPS5264003A JP S5264003 A JPS5264003 A JP S5264003A JP 14088575 A JP14088575 A JP 14088575A JP 14088575 A JP14088575 A JP 14088575A JP S5264003 A JPS5264003 A JP S5264003A
Authority
JP
Japan
Prior art keywords
hand pump
piston
fitted
load
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14088575A
Other languages
Japanese (ja)
Inventor
Akira Hasegawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Steel Works Ltd
Original Assignee
Japan Steel Works Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Japan Steel Works Ltd filed Critical Japan Steel Works Ltd
Priority to JP14088575A priority Critical patent/JPS5264003A/en
Publication of JPS5264003A publication Critical patent/JPS5264003A/en
Pending legal-status Critical Current

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  • Reciprocating Pumps (AREA)

Abstract

PURPOSE: A piston is fitted to the lower end of a piston rod, being pressed downward by means of a spring and the control efficiency of a driven valve is improved by automatically changing the discharge according to load.
COPYRIGHT: (C)1977,JPO&Japio
JP14088575A 1975-11-25 1975-11-25 Hand pump Pending JPS5264003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14088575A JPS5264003A (en) 1975-11-25 1975-11-25 Hand pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14088575A JPS5264003A (en) 1975-11-25 1975-11-25 Hand pump

Publications (1)

Publication Number Publication Date
JPS5264003A true JPS5264003A (en) 1977-05-27

Family

ID=15279027

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14088575A Pending JPS5264003A (en) 1975-11-25 1975-11-25 Hand pump

Country Status (1)

Country Link
JP (1) JPS5264003A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01127977U (en) * 1988-02-26 1989-08-31

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS451785Y1 (en) * 1965-06-11 1970-01-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS451785Y1 (en) * 1965-06-11 1970-01-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01127977U (en) * 1988-02-26 1989-08-31

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