JPH02122695U - - Google Patents

Info

Publication number
JPH02122695U
JPH02122695U JP11641489U JP11641489U JPH02122695U JP H02122695 U JPH02122695 U JP H02122695U JP 11641489 U JP11641489 U JP 11641489U JP 11641489 U JP11641489 U JP 11641489U JP H02122695 U JPH02122695 U JP H02122695U
Authority
JP
Japan
Prior art keywords
amount
pulley
photoelectric switch
upper thread
reflective plate
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
JP11641489U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP11641489U priority Critical patent/JPH02122695U/ja
Publication of JPH02122695U publication Critical patent/JPH02122695U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Sewing Machines And Sewing (AREA)
JP11641489U 1988-10-03 1989-10-03 Pending JPH02122695U (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11641489U JPH02122695U (enExample) 1988-10-03 1989-10-03

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12986888 1988-10-03
JP11641489U JPH02122695U (enExample) 1988-10-03 1989-10-03

Publications (1)

Publication Number Publication Date
JPH02122695U true JPH02122695U (enExample) 1990-10-08

Family

ID=31718863

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11641489U Pending JPH02122695U (enExample) 1988-10-03 1989-10-03

Country Status (1)

Country Link
JP (1) JPH02122695U (enExample)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS542846A (en) * 1977-06-08 1979-01-10 Hokuyo Automatic Co Device of detecting residual quantity of lower cotton in sewing machine
JPS6131196A (ja) * 1984-07-23 1986-02-13 日貿金属株式会社 下糸残量検出方法
JPS63174689A (ja) * 1987-01-13 1988-07-19 株式会社　東和製作所 ミシンの下糸残量検出装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS542846A (en) * 1977-06-08 1979-01-10 Hokuyo Automatic Co Device of detecting residual quantity of lower cotton in sewing machine
JPS6131196A (ja) * 1984-07-23 1986-02-13 日貿金属株式会社 下糸残量検出方法
JPS63174689A (ja) * 1987-01-13 1988-07-19 株式会社　東和製作所 ミシンの下糸残量検出装置

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