Hook for lockstitch sewing machine comprising a bobbin case with a slide composed of multiple components
AssigneeCm Cerliani S.R.L.
InventorDaniele Cerliani
Life of this patent
Estimating the term…
Abstract
Hook for lockstitch sewing machine, both of the rotary type and of the Central Bobbin type (CB-shuttle or CB-hook), which includes a bobbin case (508, 708, 808, 908, 1008, 1108, 1208) with an improved slide, composed of multiple components, including a slide body (515a, 615a, 715a, 815a, 915a, 1115a, 1215a) which performs entirely the functions of guiding the slide on the bobbin case and of creation of the leverage with the lever (16, 16b), and at least one secondary component (582, 782, 882, 982, 1182, 1286), fixed to the slide body and apt to perform the function of slide's claw or guide and/or protection of the thread.
Claims11
A rotary or Central Bobbin (CB-shuttle) hook for a lockstitch sewing machine, the hook comprising:
- a bobbin case including a slide and a lever, said slide comprising
- multiple primary components including a slide body housed in a guide of the bobbin case, the lever moving in relation to the slide body to provide leverage for disengagement of the slide, and
- at least one secondary component connected to said slide body and separate from said slide body.
A bobbin case of a rotary or Central Bobbin (CB-shuttle) hook for a lockstitch sewing machine, the bobbin case including a slide and a lever, said slide comprising:
- multiple primary components including a slide body housed in a guide of the bobbin case, the lever moving in relation to the slide body to provide leverage for disengagement of the slide, and
- at least one secondary component connected to said slide body and separate from said slide body.
Dependencies are inferred from the claim text.