Patents Assigned to NECCHI
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Patent number: 4441441Abstract: Needle bar drive in a sewing machine comprising a crank driven by a connecting rod provided on the main shaft for transmitting reciprocating motion to the needle bar and by a rod connected to the needle bar gate and driven by a linear motor in order to impart to the needle bar transverse movements relative to the sewing direction. A joint type connection between the connecting rod and the needle bar is provided in order to allow a smooth rational operation to the assembly.Type: GrantFiled: May 27, 1982Date of Patent: April 10, 1984Assignee: NECCHIInventor: Nereo Bianchi
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Patent number: 4426944Abstract: A sewing machine with a work supporting surface convertible into a free arm, comprising a bed provided with a cantilevered arm containing a bobbin hook, a door pivoting on the cantilevered arm to rotate from a closed position to an opened position for access to the hook, and a movable work supporting surface which can be moved to an operatively raised position and an operatively lowered position at which lowered position the free arm is completely accessible. The support work surface comprises a U-shaped element, a plate slidable on suitable guides positioned on the work supporting surface in the front portion of the work supporting surface, a latch connected to the plate and a wall defining a relief and tooth connected to the door to couple with the plate latch to allow the opening and/or closing of the door every time that the plate is urged to take the extreme position of its stroke.Type: GrantFiled: February 20, 1981Date of Patent: January 24, 1984Assignee: Necchi Societa per AzioniInventor: Nereo Bianchi
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Patent number: 4423405Abstract: Starting relay of the PTC resistor type provided on a monophase electric motor of the induction type for motorcompressors for refrigerators. This positive temperature coefficient resistor in the shape of a small cylinder is built-in on the collector of the motor feed connectors (cluster) arranged inside the container of the motorcompressor on the hermetic electrical connection fastened on the wall of the same container.Type: GrantFiled: May 11, 1982Date of Patent: December 27, 1983Assignee: NECCHI Societa per AzioniInventor: Alfredo Bar
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Patent number: 4415060Abstract: A muffler for hermetically sealed compressors consisting of a body made of plastic material with two chambers separated by a wall and directly assembled on the compressor cylinder head by means of two lined up small tubes equipped with special sealing means. The danger that the muffler may break loose from the head and possibly rotate on its axis of vertical symmetry is thus avoided.Type: GrantFiled: February 17, 1982Date of Patent: November 15, 1983Assignee: Necchi, S.p.A.Inventor: Alfredo Bar
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Patent number: 4410303Abstract: A motor-compressor unit for refrigerators provided with tubes for feeding the gas from the hermetic container to the cylinder suction chamber. A main tube communicates with the suction chamber by way of the relative silencer, while two supplementary tubes communicate directly with the suction chamber. The configuration and dimensions of the main tube and supplementary tubes have been chosen to obtain a noise reduction without reducing the throughput of the induced gas.Type: GrantFiled: May 28, 1981Date of Patent: October 18, 1983Assignee: NECCHI Societa per AzioniInventor: Alfredo Bar
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Patent number: 4398400Abstract: Terminal board and relays casing assembly externally fixed in a suitable position on the sealed motor compressor housing placed in a suitable compartment defined in the lowest rear portion of the refrigerator. A side wall of the box in front of an observer who places himself behind the refrigerator, acts as a mounting for the terminal board, the electrical mains supply feeder cable being connected thereon. A cover slides on a suitable guide shaped to contain in the box the terminal board, the thermal protector and starting relays.Type: GrantFiled: October 29, 1981Date of Patent: August 16, 1983Assignee: Necchi Societa per AzioniInventor: Alfredo Bar
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Patent number: 4392789Abstract: A hermetically sealed motor-compressor unit for refrigerators, of vertical axis, comprising a container for said motor compressor unit defining a sump for the gravitational collection of oil therein and a motor compressor unit positioned within said container, said compressor unit comprising a casing defining a plate, a cylinder, silencer portions positioned at the end of said cylinder below said plate, upper support means extending upwardly from said plate, perimetral walls extending upwardly along a portion of the plate and lower support means extending downwardly from the plate supporting said motor compressor in said container; an electric motor supported on said upper support means; spherical caps fastened to said silencer portions to form silencers; a cylinder head defining a suction chamber and delivery chamber interconnected to said silencers; a vertical shaft and a lubricating member disposed on the lower end of said shaft and immersed in said sump.Type: GrantFiled: December 9, 1980Date of Patent: July 12, 1983Assignee: Necchi Societa per AzioniInventor: Alfredo Bar
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Patent number: 4380203Abstract: A sewing machine (100) having a needle bar (120,122) and feed means (131,132,602,603) in which actuators (124,130) adjust the transverse position of the needle bar (120,122) and the positional displacement of the feed means (131,132,602,603) in response to control signals provided thereto, and a rotatable main shaft (104,204,205) operatively connected to the needle bar (120,122) for enabling transverse oscillation thereof which shaft (104) is driven by a main motor (201), includes an arrangement for generating synchronizing timing control signals to the actuators (124,130) and a stop control signal to the motor (201) to stop the shaft (104,204,205) in a predetermined arc of rotation in which a common magnet (208,508) mounted in a holder (207,507) for rotation with the shaft (104,204,205) interacts with a pair of spaced apart magnistors (211,213) to provide the timing control signals to the actuators (124,130) and a separate magnet means which may be either a single magnet (509) or a pair of spaced apart magneType: GrantFiled: May 2, 1980Date of Patent: April 19, 1983Assignee: NECCHI S.p.A.Inventor: Nereo Bianchi
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Patent number: 4378746Abstract: A process for producing pockets of a strip type with a slide fastener, comprising conducting a continuous slide-fastener tape towards the sewing area of a strip-pocket sewing machine, separating portions of the tape, with the teeth of the slide fastener tape located towards the outside, sewing the tape simultaneously on the main fabric and on the pouch of the pocket itself on said fabric, cutting said pouch and fabric centrally between the seams as the seams are formed, and cutting at the end of the sewing and cutting operation two V-shaped notches in the main fabric and in the pouch at a place corresponding to the two end portions of said cut and apparatus for carrying out the process.Type: GrantFiled: June 21, 1979Date of Patent: April 5, 1983Assignee: Necchi Societa per AzioniInventor: Silvano Perlino
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Patent number: 4325680Abstract: The invention relates to a valve system for encapsulated motor-compressor units comprising a cylinder, a piston moving with reciprocating motion in the cylinder, a valve plate which upperly closes the cylinder, and a head fixed on to the valve plate, wherein in the valve plate there are provided two delivery ports having cross-sections of different size, so as to create in the lamina valve an asymmetric elastic deformation which favors gradual impact of the valve against the valve plate at the end of the compression cycle.Type: GrantFiled: December 9, 1980Date of Patent: April 20, 1982Assignee: NECCHI Societa per AzioniInventor: Alfredo Bar
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Patent number: 4303029Abstract: A hook for a sewing machine comprising a hook body, a bobbin case holder arranged in the hook body, a bobbin case arranged in the bobbin case holder and a bobbin in the bobbin case. The bobbin case holder has a bottom wall from which extends a pin. The pin is provided with resilient check elements. A pin portion extends centrally from a bottom wall portion of the bobbin case defining a hole therein having a shape suitable to provide together with the pin of the bobbin case holder a locking system to lock the bobbin case to the bobbin case holder. A lever is positioned in the hole to ensure locking and release of the bobbin to and from the bobbin case. The bobbin is inserted in the bobbin case so as to close it upwardly.Type: GrantFiled: August 27, 1979Date of Patent: December 1, 1981Assignee: Necchi Societa per AzioniInventor: Nereo Bianchi
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Patent number: 4280424Abstract: An improved household type sewing machine having a needle bar and a feed dog wherein an actuator adjusts the transverse position of the needle bar and the positional displacement of the feed dog in response to control signals provided thereto, in which a microcomputer integrated circuit is provided for controlling the machine in response to keyboard selectable pattern and control information stored in a static memory which is interchangeable with other memory configurations to provide different patterns, such as alphabetic stitch patterns. The keyboard contains a numeric display with each of the patterns having a corresponding numeric equivalent which is displayed on the keyboard to indicate which pattern is selected.Type: GrantFiled: December 26, 1978Date of Patent: July 28, 1981Assignee: Necchi S.p.A.Inventors: Gianfranco Carbonato, Nereo Bianchi
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Patent number: 4275674Abstract: The present invention is an improved electronic type sewing machine in which a microcomputer integrated circuit arrangement, such as a master/slave microprocessor configuration, is employed to effectuate stitch position coordinate servo control for both bight and feed through digitally closing the position servo control loop. The sewing machine includes actuator means for adjusting the transverse position of the needle bar means and the positional displacement of the feed means in response to control signals provided thereto and static memory means, such as a read-only-memory, for retrievably storing a plurality of different predetermined stitch patterns each having associated retrievably stored bight and feed data corresponding to predetermined positional coordinates of the needle bar and feed means for defining associated stitch position coordinates for the stitches comprising the stitch patterns.Type: GrantFiled: May 22, 1979Date of Patent: June 30, 1981Assignee: Necchi S.p.A.Inventors: Gianfranco Carbonato, Camillo Bussolati
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Patent number: 4254720Abstract: Electromechanical actuator applied to an electronically controlled sewing machine comprising a bed, a standard on the bed, an arm overhanging the bed, a head, a vertical pin fixed to the head, a needle bar gate transversely oscillatible around the vertical pin, a ferromagnetic frame formed by four walls each one opposite to another, a magnetic pole having the shape of a part of a circle ring connecting two of the opposite walls of the frame, and a conducting wire coil being slidably arranged on the magnetic pole to make circular oscillating paths when energized.Type: GrantFiled: September 24, 1979Date of Patent: March 10, 1981Assignee: Necchi Societa per AzioniInventor: Nereo Bianchi
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Patent number: 4200050Abstract: Thread cutting device for lockstitch sewing machines equipped with vertical axis looptaker and provided with a thread catching member displacing around an axis parallel to the looptaker axis along a path passing over the looptaker, wherein the thread catching member is formed by a plate ending with a pointed portion having a notching extending upwardly for the needle thread catching and a small foil bent at a right angle relative to the pointed portion, the small foil being so shaped as to be provided with a bobbin thread catching zone and a bobbin and needle thread cutting zone, the cutting zone being closer to the sewn fabric than the needle thread catching zone and than the notching for the needle thread catching.Type: GrantFiled: September 5, 1978Date of Patent: April 29, 1980Assignee: Necchi Societa per AzioniInventor: Nereo Bianchi
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Patent number: 4178862Abstract: In a sewing machine with connectable and disconnectable needle bars driven by a motor for two needle stitching in different directions, a keyboard programmer and control device connected to the programmer to select the needle bar to be disconnected and the number of stitches to be sewn at low speed with only one needle, to shut down the sewing machine, to count the stitches number at the beginning of the sewing in the second direction to connect the needle for restarting the two-needle sewing and to switch the sewing machine back onto high speed. The device comprises two decade meters the first of which, at the end of the first stitches sewing counting, controls the machine shutdown and sends an advancing pulse to the second decade meter and, at the end of the second stitches counting, sends another pulse to the second decade meter which is switched to send a signal for the reconnecting of the needle bar and the de-energizing of the relay of the low speed.Type: GrantFiled: April 14, 1975Date of Patent: December 18, 1979Assignee: Necchi, S.p.A.Inventors: Nereo Bianchi, Piergentino Zatti
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Patent number: 4099154Abstract: Starting relay casing of molded plastic material for a monophase motor of a motorcompressor assembly for refrigerating apparatuses, comprising a bottom wall and a side wall attached thereto, fitting within said walls, a lower contact plate having three vertexes uniformly distributed about the periphery thereof to which are attached three feet, a positive temperature coefficient resistance having a disc shape resting on said lower plate and an upper contact plate closing said casing and pressing against the upper surface of said disc, said side wall defining on the inside thereof, at a predetermined distance from said bottom wall, three ledges upon which may rest said three feet, said side wall also defining spaces therein for said feet to rest directly on said bottom wall, when said lower plate is alternatively positioned.Type: GrantFiled: June 24, 1977Date of Patent: July 4, 1978Assignee: NECCHI Societa per AzioniInventor: Alfredo Bar
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Patent number: 4096810Abstract: A device for varying the pocket length provided on sewing machines for making welted pockets comprising a bed, a standard, an arm, a head, two groups with adjustable positioning carrying a mounting for driving valves and a mounting for one of two patch turners, frames for carrying the valves and the patch turner movable relative to the groups, pneumatic cylinders fixed to the groups to move the frames to two extreme positions, corresponding to the two extreme operating positions of the pneumatic cylinders and lock blocks positioned intermediate the extreme positions to stop movement of the frames intermediate the extreme positions. The lock blocks are fixed to the end of a piston rod mounted in a cylinder.Type: GrantFiled: September 21, 1976Date of Patent: June 27, 1978Assignee: NECCHI Societa per AzioniInventor: Nereo Bianchi
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Patent number: 4079681Abstract: A device for the insertion of a pocket strip applied to sewing machines for making welted pockets which includes a truck for feeding fabric, a work clamp composed of two distinct elements operated independently, two side pressers, a central blade, a mounting frame, a pneumatic motor to drive the frame toward and away from the pressers, a pocket strip clamp for a pocket strip carried by the mounting frame and adapted to make relative thereto alternate displacements, a pneumatic cylinder fixed to the mounting frame to drive the pocket strip clamp, a frame carried by the mounting frame to prepare and guide a pocket strip free edge projecting from the pocket strip clamp carrying it in such a way as to facilitate the invention of the pocket strip on patch fabric forming the welted pocket.Type: GrantFiled: September 8, 1976Date of Patent: March 21, 1978Assignee: NECCHI, Societa per AzioniInventor: Nereo Bianchi
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Patent number: D267321Type: GrantFiled: August 9, 1979Date of Patent: December 21, 1982Assignee: NECCHI Societa per AzioniInventor: Giuliano Molineri