JP2554921Y2 - 穿孔機の安全装置 - Google Patents

穿孔機の安全装置

Info

Publication number
JP2554921Y2
JP2554921Y2 JP1991003362U JP336291U JP2554921Y2 JP 2554921 Y2 JP2554921 Y2 JP 2554921Y2 JP 1991003362 U JP1991003362 U JP 1991003362U JP 336291 U JP336291 U JP 336291U JP 2554921 Y2 JP2554921 Y2 JP 2554921Y2
Authority
JP
Japan
Prior art keywords
current
motor
electromagnet
drilling machine
photocoupler
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.)
Expired - Lifetime
Application number
JP1991003362U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0497603U (enrdf_load_stackoverflow
Inventor
通弘 東海林
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.)
Nitto Kohki Co Ltd
Original Assignee
Nitto Kohki 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 Nitto Kohki Co Ltd filed Critical Nitto Kohki Co Ltd
Priority to JP1991003362U priority Critical patent/JP2554921Y2/ja
Publication of JPH0497603U publication Critical patent/JPH0497603U/ja
Application granted granted Critical
Publication of JP2554921Y2 publication Critical patent/JP2554921Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling And Boring (AREA)
JP1991003362U 1991-01-11 1991-01-11 穿孔機の安全装置 Expired - Lifetime JP2554921Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1991003362U JP2554921Y2 (ja) 1991-01-11 1991-01-11 穿孔機の安全装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1991003362U JP2554921Y2 (ja) 1991-01-11 1991-01-11 穿孔機の安全装置

Publications (2)

Publication Number Publication Date
JPH0497603U JPH0497603U (enrdf_load_stackoverflow) 1992-08-24
JP2554921Y2 true JP2554921Y2 (ja) 1997-11-19

Family

ID=31732226

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1991003362U Expired - Lifetime JP2554921Y2 (ja) 1991-01-11 1991-01-11 穿孔機の安全装置

Country Status (1)

Country Link
JP (1) JP2554921Y2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3027538B2 (ja) * 1996-05-28 2000-04-04 日東工器株式会社 穿孔機制御装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS579557Y2 (enrdf_load_stackoverflow) * 1977-06-22 1982-02-24

Also Published As

Publication number Publication date
JPH0497603U (enrdf_load_stackoverflow) 1992-08-24

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