JPS5756129A - Manufacture of pin - Google Patents

Manufacture of pin

Info

Publication number
JPS5756129A
JPS5756129A JP12904780A JP12904780A JPS5756129A JP S5756129 A JPS5756129 A JP S5756129A JP 12904780 A JP12904780 A JP 12904780A JP 12904780 A JP12904780 A JP 12904780A JP S5756129 A JPS5756129 A JP S5756129A
Authority
JP
Japan
Prior art keywords
shaft
bulge
groove
diameter
pin
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
JP12904780A
Other languages
Japanese (ja)
Inventor
Masateru Watanabe
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.)
ORIGINAL TSUSHO KK
ORIJINARU TSUUSHIYOU KK
Original Assignee
ORIGINAL TSUSHO KK
ORIJINARU TSUUSHIYOU KK
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 ORIGINAL TSUSHO KK, ORIJINARU TSUUSHIYOU KK filed Critical ORIGINAL TSUSHO KK
Priority to JP12904780A priority Critical patent/JPS5756129A/en
Publication of JPS5756129A publication Critical patent/JPS5756129A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To manufacture a pin efficiently and at high material recovery by forming a shaft and a flange-like bulge by pressing a cylindric material, and making a V-groove on the shaft by rolling.
CONSTITUTION: A cylindric material is cut to the length nearly equal to the pin to be manufactured. The cylindric material 1 thus obtained is pressed to form a shaft 2 and a flange-like bulge 3 at its one end. The diameter of the shaft d2 is made smaller than the diameter of material d1, and the diameter of bulge d3 is made greater than d1. The shaft 2 is divided into a longer part 2a on one side of the bulge 3 and a shorter part 2b on the other side. The shorter part of the shaft 2b is passed through a base plate 4 and calked. A V-groove 5 is made by rolling near the outer end of the longer part 2a. A pulley is installed on the shaft 2a and stopped by a ring 6. The inner circumference of the ring 6 is fitted to the V-groove 5.
COPYRIGHT: (C)1982,JPO&Japio
JP12904780A 1980-09-19 1980-09-19 Manufacture of pin Pending JPS5756129A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12904780A JPS5756129A (en) 1980-09-19 1980-09-19 Manufacture of pin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12904780A JPS5756129A (en) 1980-09-19 1980-09-19 Manufacture of pin

Publications (1)

Publication Number Publication Date
JPS5756129A true JPS5756129A (en) 1982-04-03

Family

ID=14999766

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12904780A Pending JPS5756129A (en) 1980-09-19 1980-09-19 Manufacture of pin

Country Status (1)

Country Link
JP (1) JPS5756129A (en)

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