Sewing – Elements – Tensioning
Reexamination Certificate
2005-08-23
2005-08-23
Izaguirre, Ismael (Department: 3765)
Sewing
Elements
Tensioning
Reexamination Certificate
active
06932009
ABSTRACT:
A thread tension adjustment device of multi-needle sewing machine including: a fixing rack fixed on a housing of the sewing machine; multiple frame bodies side by side fixed on the fixing rack; multiple thread tension adjustment units mounted on the frame bodies, each thread tension adjustment unit serving to resiliently clamp a thread, multiple thread-loosening slide boards being respectively slidably disposed on the frame bodies, each thread-loosening slide board having multiple wedge sections; and a link pivotally connected with the thread-loosening slide boards for driving the thread-loosening slide boards to move the wedge sections thereof toward the corresponding thread tension adjustment units to release the threads clamped by the thread tension adjustment buttons of the thread tension adjustment units.
REFERENCES:
patent: 2725840 (1955-12-01), Zeier
patent: 2925058 (1960-02-01), Conrad
patent: 2976831 (1961-03-01), Hacklander
patent: 3213815 (1965-10-01), Russmann
patent: 5816175 (1998-10-01), Teramoto
patent: 6101961 (2000-08-01), Sakuma
Ching Chi Machine Co., Ltd.
Izaguirre Ismael
Rosenberg , Klein & Lee
LandOfFree
Thread tension adjustment device of multi-needle sewing machine does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Thread tension adjustment device of multi-needle sewing machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Thread tension adjustment device of multi-needle sewing machine will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3460594