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US 6,382,118 B1Granted
Sewing machine with a presser foot mechanism
AssigneeG.M. Pfaff Aktiengesellschaft In Insolvenz
InventorJohann Wolf
Life of this patent
Estimating the term…
Abstract
A sewing machine is provided with a presser foot mechanism having a pressure bar and a presser foot, and with a linear motor (20) as an adjusting element. The linear motor (20) is arranged at least partially in the arm (2) of the machine housing and the drive bar (19) of the linear motor (20) is connected via an angle lever (14) to a spring bracket (7) holding a spring (9). The spring bracket (7) is also connected to the pressure bar (4).
Claims7
A sewing machine, comprising:
- a housing having an arm and a head;
- a presser foot mechanism comprising a pressure bar and a presser foot;
- a linear motor as an adjusting element for the presser foot mechanism, said linear motor having a drive bar, said linear motor being arranged at least partially in said arm;
- a spring arranged between said drive bar and said pressure bar;
- a spring bracket holding said spring, said spring bracket being connected to said pressure bar;
- and
- an angle lever connecting said drive bar to said spring bracket.
4 more elements
Dependencies are inferred from the claim text.