Workpiece clamp for a sewing device
AssigneeKochs Adler AG
InventorsHubert Junemann, Samuel Romich
Life of this patent
Estimating the term…
Abstract
A workpiece clamp of sewing devices for sewing the marginal zones of a lining cut and a necktie cut in the area of the tip and the lateral corners of a necktie. The clamp is equipped with three clamping plates hingedly connected to each other, for clampably receiving the lining cut and the necktie cut between the clamping plates. The intermediate clamping plate is provided, at the surface directed to the necktie cut, with central folding web and lateral webs for forming a center fold and lateral folds. The upper clamping plate is provided with folding blades for folding and holding down the lateral folds in coaction with the clamping plates for clamping the workpieces to be stitched together.
Claims5
A workpiece clamp for a sewing device for sewing together the margins of necktie workpiece cuts, said workpiece clamp comprising:
- clamping plates movable connected to each other;
- and
- lock means for releasably locking said clamping plates in positions for subsequently clamping one and both of said workpiece cuts;
- said clamping plates including:
- a lower plate having a profile with a tip and two lateral corners,
- an upper plate formed substantially in accordance with said profile, and
- an intermediate plate formed substantially in accordance with said profile,
- said lower and said intermediate plates being formed for clampably receiving a first workpiece cut,
- said intermediate and said upper plates being formed for clampably receiving a second workpiece cut,
- said intermediate plate including:
- a central web means projecting on the side of said intermediate plate contacting said second workpiece cut, and
- lateral web means each associated to one of said corners,
- said upper plate including:
- a central recess coacting with said central web means in said clamping position of said upper plate and said intermediate plate for forming a center fold in said clamped second workpiece cut,
- lateral folding elements each coacting with said lateral web means in said clamping position of said upper plate and said intermediate plate for forming corner folds in said clamped second workpiece cut, and
- folding means each associated with one of said corners and operably provided for folding over said formed corner folds in a common direction.
Dependencies are inferred from the claim text.