JPS57128006A - Engaging tool - Google Patents

Engaging tool

Info

Publication number
JPS57128006A
JPS57128006A JP4982380A JP4982380A JPS57128006A JP S57128006 A JPS57128006 A JP S57128006A JP 4982380 A JP4982380 A JP 4982380A JP 4982380 A JP4982380 A JP 4982380A JP S57128006 A JPS57128006 A JP S57128006A
Authority
JP
Japan
Prior art keywords
plate
rod
ferromagnetic
hole
magnet
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.)
Granted
Application number
JP4982380A
Other languages
Japanese (ja)
Other versions
JPS6027169B2 (en
Inventor
Meigyoku Kin
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.)
Tarmo Co Ltd
Original Assignee
Tarmo Co 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 Tarmo Co Ltd filed Critical Tarmo Co Ltd
Priority to JP4982380A priority Critical patent/JPS6027169B2/en
Publication of JPS57128006A publication Critical patent/JPS57128006A/en
Publication of JPS6027169B2 publication Critical patent/JPS6027169B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H01F7/0252—PM holding devices
    • H01F7/0263—Closures, bags, bands, engagement devices with male and female parts

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)

Abstract

PURPOSE:To utilize the magnetizing force of a magnet to the maximum possible limit by forming the free end capable of being contacted of a ferromagnetic rod in a reduced diameter when a ferromagnetic plate on which the rod is stood is magnetically contacted to be engaged through a permanent magnet having a hole. CONSTITUTION:A permanent magnet 1 is formed in various shapes, and is formed with a hole 1a directed from one pole face to the other pole face. A ferromagnetic plate 2 is attached to one pole of the magnet 1, and is integrally anchored to the magnet 1 with a case 3 made of nonmagnetic material. A ferromagnetic rod 4 is stood through the hole 1a on the plate 2, and a washer 6 having a mounting leg piece is attached to the opposite end face of the plate 2. On the other hand, A ferromagnetic rod 7 magnetically contacted with the top face of the rod 4 is projected from the plate 2, and the washer 6 is anchored to the plate 2. The rods 4, 7 are stood or attached so as not to contact the inner peripheral wall surface of the hole 1a, and are formed in a frustoconical shape gradually reduced in diameters toward the free end capable of being contacted. In this manner, the magnetic flux density of the free end can be enhanced, while the engaging force can be strengthened.
JP4982380A 1980-04-15 1980-04-15 Engagement tool Expired JPS6027169B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4982380A JPS6027169B2 (en) 1980-04-15 1980-04-15 Engagement tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4982380A JPS6027169B2 (en) 1980-04-15 1980-04-15 Engagement tool

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP10147483A Division JPS59121807A (en) 1983-06-06 1983-06-06 Engaging tool

Publications (2)

Publication Number Publication Date
JPS57128006A true JPS57128006A (en) 1982-08-09
JPS6027169B2 JPS6027169B2 (en) 1985-06-27

Family

ID=12841813

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4982380A Expired JPS6027169B2 (en) 1980-04-15 1980-04-15 Engagement tool

Country Status (1)

Country Link
JP (1) JPS6027169B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6348965U (en) * 1986-09-18 1988-04-02

Also Published As

Publication number Publication date
JPS6027169B2 (en) 1985-06-27

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