Patents
Patents for D05B 63 - Devices associated with the loop-taker thread of sewing machines, e.g. for tensioning (339)
12/1986
12/16/1986US4628847 Apparatus for thread monitoring
06/1986
06/05/1986WO1986003233A1 An apparatus for thread monitoring
03/1986
03/12/1986EP0173897A1 Underthread watching device for a sewing or embroidering machine
09/1985
09/24/1985US4542706 Lower thread tension adjusting device of sewing machine
07/1985
07/23/1985US4530296 Lower thread tension adjusting device of sewing machines
11/1984
11/06/1984US4481507 Abnormal condition warning apparatus for a sewing machine
10/1984
10/23/1984US4478162 Needle guard of a sewing machine
09/1984
09/18/1984US4471705 Device for adjusting lower thread tension of sewing machine
08/1984
08/21/1984US4466368 Lock stitching sewing machine with a thread tightening device
07/1984
07/10/1984US4458613 Sewing machine with bobbin thread tension adjusting device
03/1984
03/20/1984US4437421 Variable pull off for bobbin thread
02/1984
02/07/1984US4429649 Assembly for lower thread tension adjustment of sewing machine
08/1983
08/23/1983US4399761 Resilient bobbin thread pull-off member for lockstitch sewing machine
08/09/1983US4397250 Thread controlling arrangement for bobbin winding mechanism
04/1983
04/26/1983US4380961 Variably controllable bobbin thread pull-off mechanism
03/1983
03/29/1983US4377980 Automatic thread tensioning device for sewing machines
10/1982
10/26/1982US4355590 Variable bobbin thread control for lockstitch looptaker
09/1982
09/14/1982US4348969 Sewing machine with a horizontal-type loop taker
08/1982
08/17/1982US4344375 Sewing machine with a looper arranged above the point of stitch formation
07/1982
07/20/1982US4340003 Lock stitching sewing machine with a thread tightening device
05/1982
05/25/1982US4331090 Bobbin thread tensioning device for a sewing machine
05/11/1982US4328757 Thread tension control signal output device for sewing machine
04/1982
04/27/1982US4326474 In-place bobbin winding mechanism for a sewing machine
04/20/1982US4325314 Thread control mechanism for sewing machines
02/1982
02/23/1982US4316421 Anti-haloing throat plate
11/1981
11/17/1981US4300464 Thread tension control for sewing machines
11/10/1981US4299181 Bobbin thread tension device
08/1981
08/25/1981US4285291 Needle guard for sewing machines
08/18/1981US4284020 Thread monitor for textile machines
07/1981
07/21/1981US4279210 Looper thread tension device
07/14/1981US4278038 Combined needle guard and hook beak for a sewing machine hook
11/1980
11/11/1980US4232618 Bobbin winder arrangement for sewing machine looptaker
08/1980
08/05/1980US4215639 Selectively controllable bobbin thread pull-off mechanism
03/1980
03/19/1980EP0008615A1 Needle thread controlling device mounted under the throat plate of a lockstitch sewing machine
01/1980
01/08/1980US4182250 Bobbin thread control means for a lock stitch sewing machine
06/1978
06/13/1978US4094261 Adjustable needle guard
02/1978
02/21/1978US4074645 Controlled braking device for the gripper-thread bobbin of a double lock-stitch sewing machine
05/1976
05/11/1976US3955519 Needle guard for sewing machine
02/1976
02/24/1976US3940089 Sewing machine thread control
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