Abrégé

A sewing machine for sewing articles, comprising: a turret (3), constrained to a base (2), which bears a sewing needle (4), facing downwards, with the relative sewing yarn (5); first activating means, arranged in the turret, for movement of the needle; a profiled arm (8) supported, in an oscillating way, by a unit (10) borne by the base and rotatably supporting a bushing (11) located beneath the needle and open towards the needle, with the axis of the bushing being coaxial to the axis of oscillation of the arm; stabilising means (12), associated to the arm (8) destined, with the oscillation in one direction of the arm, to impress an oscillation in the opposite direction, and of equal amplitude, on the bushing (11); a rotary hook (13), located in the bushing (11); second activating means (14), acting in phase with the first activating means to draw the rotary hook in rotation for formation in the bushing, and in cooperation with the needle, with the relative sewing yarn (5), of a sewing stitch; means for connecting the unit (10) to the base (2) to enable the oscillation of the unit according to coaxial arcs of circumference the axis (C) of which intercepts the topmost point (T) reached by the end (53) of the rotary hook (13) during the course of the rotation thereof.

Classes IPC  ?

• D05B 15/00 - Machines pour coudre les articles en cuir

Abrégé

The machine realizes the stitching of an open-type upper (U) to a bottom (1) for footwear, the latter including a first and second cut (5, 6), from the inside of the related upper surface (4) out, with a profile equal to the profile of the perimeter edge (2) of the bottom (1). The machine includes first and second retractor means (8, 9), to open wide the hems of said first (5) and second (6) cuts; a needle (7) mobile between a retracted position (R) and an advanced one (A), being adapted to successively penetrate the lower edge (L) of the upper (U) and the portion (10) of the bottom (1) located between said cuts (5, 6) and to enter in a rotating hook device (70) provided to cooperate with the needle itself in order to realize stiches; means adapted to synchronously translate said needle (7) and rotating hook device (70) with an alternating motion according to travels having an amplitude equal to a preset stitching pitch.

Classes IPC  ?

• D05B 15/02 - Machines pour coudre les chaussures
• A43B 9/08 - Chaussures retournées
• A43B 9/02 - Chaussures cousues ou clouées de part en part

Abrégé

The base (1) enables alternatingly associating various crochet-bearing groups to a sewing machine (M). The base (1) comprises a column bearing structure (10), fixed on a support table (100) and designed to support at a top thereof a head (T) of the sewing machine (M), in predetermined longitudinal positions, The bearing structure (10) houses an electric motor (E) for activating the machine (M) and the corresponding crochet-bearing group (PC), via transmission organs, The bearing structure (10) internally comprises upper coupling means (3), to which a relative crochet-bearing group (PC) identified in a first series (31, 32, 33) is associable, and lower coupling means (4), to which a relative crochet-bearing group (PC) identified in a second series (41, 42, 43, 44) is associable.

Classes IPC  ?

• D05B 15/00 - Machines pour coudre les articles en cuir

Abrégé

The machine (M) performs sewing of elements (E) to a bottom (F) for shoes, the bottom (F) being provided with an abutment (B) opposite the perimeter edge (22), extended to follow the edge (22). A positioning foot (10) provided with a slot (10A), which positioning foot (10) is fixed to a bearing body (11) solidly constrained to a head of the machine (M), which positioning foot (10) is able to abut against the abutment (B) in a zone of the abutment (B) from time to time affected in the sewing; a needle (4) mobile between a retracted position (R), in which it is external of at least one of said elements (E), the bottom (F) and the positioning foot (10), and an advanced position (A), in which the needle (4) is able to pass through the at least an element (E), then to penetrate laterally into the perimeter edge (22), then to exit at the abutment (B), then to transit through the slot (A) of the positioning foot (10) and then to enter a rotary-hook device (5), provided for cooperating with the needle (4) so as to realize stitches of the sewing (C); means for horizontally synchronically translating the needle (4) and the rotary-hook device (5) in an alternating motion in runs of an extension which is equal to a predetermined step.

Classes IPC  ?

• D05B 15/02 - Machines pour coudre les chaussures
• A43B 9/06 - Chaussures à trépointe cousues ou clouées de part en part

Abrégé

The system (10) is associated below the head (2) of a sewing machine (1) having a curved needle (5), and comprises two modular elements constitute by a column (11) and a spacer plate (12). With only the column, the machine (1) is fixed to a work plane (P) in a vertical trim configuration (C1), while by interposing the spacer plate (12) between the column and the plane (P), the machine (1) is fixed in an inclined trim configuration (C2). The system (10) is usable in all trim configurations of the machine (1), without any need to use specially-realised pieces, enabling considerable saving in terms of production costs.

Classes IPC  ?

• D05B 15/02 - Machines pour coudre les chaussures
• D05B 73/02 - Carters supérieurs

Abrégé

The sewing machine M is designed to operate on a semifinished workpiece constituted by an open vamp (T) previously turned inside-out and glued to a sole (F), the sole (F) being provided, at a perimeter edge (22) thereof, with a step (21) and an oblique slit (23). The machine (M) comprises: a vertical support stud (13), associated to an oscillating arm (14) on which the sole (F) is rested; a spreader foot (10), solidly constrained to the head (1) of the machine (M), destined to insert partially in the slit (23), in order to distance the adjacent lip (L1, L2); an abutting foot (12), opposite the spreader foot (10), destined to laterally abut the semifinished workpiece (S), in order to establish the horizontal position thereof; a curved needle (4), made to oscillate between a retracted position (R) and an advanced position (A), in which the needle (4) is inserted between the lips (L1, L2) such as to pass, in order, through the sole (F) and the vamp (T) of the mutual gluing zone, the needle (4) being translatable perpendicularly to the relative oscillating plane, with an alternating motion, in operating runs of an extension according to a predetermined step; a rotating hook device (5), designed to cooperate with the needle (4) for realising stitches (C).

Classes IPC  ?

• D05B 15/02 - Machines pour coudre les chaussures
• A43B 9/08 - Chaussures retournées

Abrégé

A method for mutually blocking edges of elements of an item, in particular footwear, clothing and/or furniture items, comprising: frontal longitudinal cutting of edges (B1, B2) of a first and a second element (1, 2) of an item, to define respectively a first and a second flap (10 - 20, 11 - 21) in each of the edges (B1, B2); bringing together outer surfaces of the first flaps (10, 20) of the first and second element (1, 2); mutual blocking of the first flaps (10, 20) of the first and second element (1, 2); bringing together opposite inner surfaces of the first and second flaps (10 - 20, 11 - 21) such as to obtain a mutual blocking of the surfaces and a subsequent embedding of the first flaps (10, 20) between the second flaps (11, 21).

Classes IPC  ?

• A41D 27/24 - OurletsCoutures
• A43B 9/02 - Chaussures cousues ou clouées de part en part
• B68G 7/10 - Finition des bordures