| 摘要 |
A tensioning device ( 11 ) is arranged on an embroidery hoop ( 1 ), which allows the tensioning of the outer frame ( 3 ) with a turning knob ( 33 ). For protection from damage, a ratchet ( 37 ) is inserted in the turning knob ( 33 ) and for simple opening after the end of the embroidery process, a free wheel ( 45 ) is inserted.
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