DE267889C - - Google Patents

Info

Publication number

DE267889C

DE267889C DENDAT267889D DE267889DA DE267889C DE 267889 C DE267889 C DE 267889C DE NDAT267889 D DENDAT267889 D DE NDAT267889D DE 267889D A DE267889D A DE 267889DA DE 267889 C DE267889 C DE 267889C

Authority

DE

Germany

Prior art keywords

lever

thread

embroidery

automatic

tightening device

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.)

Active

Links

• Espacenet
• Global Dossier
• DPMA
• Discuss

• 238000005553 drilling Methods 0.000 claims description 2
• 230000007704 transition Effects 0.000 claims 1
• 230000008878 coupling Effects 0.000 description 3
• 238000010168 coupling process Methods 0.000 description 3
• 238000005859 coupling reaction Methods 0.000 description 3
• 229910001651 emery Inorganic materials 0.000 description 2
• 230000000694 effects Effects 0.000 description 1
• 230000003313 weakening effect Effects 0.000 description 1