US3589320A — Pocket blank sewing machine

Claim 1

Independent Claim 349 words

An automatically operating sewing apparatus including a sewing machine in combination comprising means for feeding into a pickup feed position a workpiece; pickup and transfer means for removing a single workpiece from the pickup feed position and operatively interconnected therewith, and for transferring the same to a position for feeding to a sewing machine, including holding means for holding the removed workpiece for feeding said workpiece to the sewing machine; conveyor means to the sewing machine for transporting said workpiece thereto including detaching means for separating from the pickup and transfer means the workpiece held for feeding to the sewing machine, and means for feeding the workpiece to the sewing machine in response to a demand from said sewing machine, said conveyor means including edge guiding means for guiDing the workpiece toward said sewing machine while said workpiece is being conveyed towards the sewing machine; means for initial guiding of the workpiece from said conveyor means into a sewing position; feeding means for said workpiece during sewing, operatively interconnected to said sewing machine including workpiece engaging and guiding means operative during said sewing; means for guiding the workpiece during a sewing operation; means for sewing slowdown and stopping operatively interconnected to said sewing machine and the last-mentioned feeding means and responsive to a workpiece position detecting and a sewing control means, including means to disengage said means for engaging and guiding the workpiece during the sewing operation; positioning means for changing the workpiece to another position and to allow sewing said workpiece in at least one other direction, said positioning means being operatively interconnected and responsive to the stopping means; means for continuing sewing the last seam operatively interconnected to said positioning means, means for initial guiding of said workpiece, and means for slowing down and stopping whereby said positioning slowing down means are rendered inoperative during the sewing of said last seam; conveying means to remove a sewn workpiece from the sewing machine, including accelerating means for severing a thread chain holding one workpiece to another; means for removing and stacking said severed workpiece from said conveying means.

Claim 2

Dependent Claim 349 words

An automatically operating sewing apparatus including a sewing machine in combination comprising means for feeding into a pickup feed position a workpiece; pickup and transfer means for removing a single workpiece from the pickup feed position and operatively interconnected therewith, and for transferring the same to a position for feeding to a sewing machine, including holding means for holding the removed workpiece for feeding said workpiece to the sewing machine; conveyor means to the sewing machine for transporting said workpiece thereto including detaching means for separating from the pickup and transfer means the workpiece held for feeding to the sewing machine, and means for feeding the workpiece to the sewing machine in response to a demand from said sewing machine, said conveyor means including edge guiding means for guiDing the workpiece toward said sewing machine while said workpiece is being conveyed towards the sewing machine; means for initial guiding of the workpiece from said conveyor means into a sewing position; feeding means for said workpiece during sewing, operatively interconnected to said sewing machine including workpiece engaging and guiding means operative during said sewing; means for guiding the workpiece during a sewing operation; means for sewing slowdown and stopping operatively interconnected to said sewing machine and the last-mentioned feeding means and responsive to a workpiece position detecting and a sewing control means, including means to disengage said means for engaging and guiding the workpiece during the sewing operation; positioning means for changing the workpiece to another position and to allow sewing said workpiece in at least one other direction, said positioning means being operatively interconnected and responsive to the stopping means; means for continuing sewing the last seam operatively interconnected to said positioning means, means for initial guiding of said workpiece, and means for slowing down and stopping whereby said positioning slowing down means are rendered inoperative during the sewing of said last seam; conveying means to remove a sewn workpiece from the sewing machine, including accelerating means for severing a thread chain holding one workpiece to another; means for removing and stacking said severed workpiece from said conveying means.

Claim 3

Dependent Claim 60 words

The automatically operating sewing apparatus according to claim 1 and wherein the means for initial guiding said workpiece into a sewing position include means for urging the workpiece for several stitches against the means for guiding the workpiece during the sewing operation, means for preventing the upturning of an edge of said workpiece, and means for lifting a preceding workpiece.

Claim 4

Dependent Claim 170 words

means for pickup and transfer from said pickup feed position of the single workpiece projected upwardly including a. means for adhesively securing the single workpiece to said pickup and transfer device, b. means for separating said adhesively secured workpiece from other workpieces in said pickup feed position, c. means for transferring for a predetermined distance said single workpiece for conveyance of said workpiece to the sewing machine upon demand from said sewing machine, d. means for holding said workpiece in a transferred position until said demand, e. means for severing said adhesively held workpiece from said pickup and transfer means operatively interconnected with means signaling a demand by said sewing machine, and f. means operatively interconnected with said pickup and transfer means to cause said pickup and transfer means to repeat a workpiece pickup cycle after a removal of a workpiece from said pickup and transfer means, said pickup and transfer means being operatively interconnected to said means for projecting upwardly said workpiece in said means for feeding said workpiece;

Claim 5

Dependent Claim 170 words

means for pickup and transfer from said pickup feed position of the single workpiece projected upwardly including a. means for adhesively securing the single workpiece to said pickup and transfer device, b. means for separating said adhesively secured workpiece from other workpieces in said pickup feed position, c. means for transferring for a predetermined distance said single workpiece for conveyance of said workpiece to the sewing machine upon demand from said sewing machine, d. means for holding said workpiece in a transferred position until said demand, e. means for severing said adhesively held workpiece from said pickup and transfer means operatively interconnected with means signaling a demand by said sewing machine, and f. means operatively interconnected with said pickup and transfer means to cause said pickup and transfer means to repeat a workpiece pickup cycle after a removal of a workpiece from said pickup and transfer means, said pickup and transfer means being operatively interconnected to said means for projecting upwardly said workpiece in said means for feeding said workpiece;

Claim 6

Dependent Claim 194 words

means for conveying said adhesively detached workpiece to said sewing machine, including means for guiding said workpiece by abuttingly urging the workpiece against an edge guide means which is oriented in a converging, axially longitudinal relationship with said means for conveying said workpiece, said means for conveying having its longitudinal axis positioned in a predetermined location in respect to the sewing direction of said sewing machine; 4, means for initial guiding of the workpiece into a sewing position from said means for conveying said workpiece, including a. means for sidewise guiding of said workpiece, operatively interconnected with means for sensing an approach of said workpiece to said sewing position, b. means operatively interconnected with means for determining an approach of last seam being sewn on a preceding workpiece, c. means for lifting a corner of said preceding workpiece, d. means for disengaging means for guiding preceding workpiece during sewing, e. means for engaging said workpiece with said means for conveying said workpiece whereby the workpiece is placed in a proper relationship to said sewing machine for initial sewinG of said workpiece, and f. stationary umbrella means for preventing the uplifting of a workpiece corner;

Claim 7

Dependent Claim 194 words

means for conveying said adhesively detached workpiece to said sewing machine, including means for guiding said workpiece by abuttingly urging the workpiece against an edge guide means which is oriented in a converging, axially longitudinal relationship with said means for conveying said workpiece, said means for conveying having its longitudinal axis positioned in a predetermined location in respect to the sewing direction of said sewing machine; 4, means for initial guiding of the workpiece into a sewing position from said means for conveying said workpiece, including a. means for sidewise guiding of said workpiece, operatively interconnected with means for sensing an approach of said workpiece to said sewing position, b. means operatively interconnected with means for determining an approach of last seam being sewn on a preceding workpiece, c. means for lifting a corner of said preceding workpiece, d. means for disengaging means for guiding preceding workpiece during sewing, e. means for engaging said workpiece with said means for conveying said workpiece whereby the workpiece is placed in a proper relationship to said sewing machine for initial sewinG of said workpiece, and f. stationary umbrella means for preventing the uplifting of a workpiece corner;

Claim 8

Dependent Claim 43 words

The automatically operating sewing apparatus according to claim 1, and wherein the means for guiding said workpiece during the sewing operation include sewing machine operated means for exerting a sidewise drag on said workpiece, against a stationary side guide means for said workpiece.

Claim 9

Dependent Claim 32 words

The automatically operating sewing apparatus according to claim 1 wherein the workpiece engaging means operative during sewing include a drag means engaging the workpiece on a surface thereof during the sewing operation.

Claim 10

Dependent Claim 21 words

The automatically operating sewing apparatus according to claim 4 wherein the drag means are disengaged responsive to the sewing stopping means.

Claim 11

Dependent Claim 5 words

means for sewing said workpiece;

Claim 12

Dependent Claim 5 words

means for sewing said workpiece;

Claim 13

Dependent Claim 46 words

means for feeding said workpiece during said sewing, operatively interconnected with said sewing machine during sewing, including a. means for engaging said workpiece with said sewing machine, and b. means for maintaining the workpiece in a sewing engagement with said sewing machine operative during said sewing;

Claim 14

Dependent Claim 46 words

means for feeding said workpiece during said sewing, operatively interconnected with said sewing machine during sewing, including a. means for engaging said workpiece with said sewing machine, and b. means for maintaining the workpiece in a sewing engagement with said sewing machine operative during said sewing;

Claim 15

Dependent Claim 67 words

The automatically operating sewing apparatus according to claim 1, wherein the means for sewing slowdown and stopping include means to sense the end of the workpiece and a stitching line and to vary the stitching rate responsive thereto by engaging the sewing slowdown means and stopping means to position in a predetermined manner the sewing means in a ''''needle down'''' position and a ''''presser foot up'''' position.

Claim 16

Dependent Claim 55 words

The automatically operating sewing apparatus according to claim 1, wherein the means for feeding into a pick up position said workpiece holds there at least one workpiece over a vertically moving lifting means for urging said workpiece upwardly for removing a single workpiece by said pickup means responsively to a demand from the sewing means.

Claim 17

Dependent Claim 9 words

stationary means for guiding the workpiece during said sewing;

Claim 18

Dependent Claim 9 words

stationary means for guiding the workpiece during said sewing;

Claim 19

Dependent Claim 72 words

means for slowing down said sewing and feeding means operatively interconnected and responsive to a means for workpiece position detecting, including a. first means for sensing an end of said workpiece, operatively interconnected to a sewing machine drive slow down means, and b. means for shifting said sewing machine to a slower stitching speed operatively interconnected to said first means for sensing an end of seam and said sewing machine drive means;

Claim 20

Dependent Claim 72 words

means for slowing down said sewing and feeding means operatively interconnected and responsive to a means for workpiece position detecting, including a. first means for sensing an end of said workpiece, operatively interconnected to a sewing machine drive slow down means, and b. means for shifting said sewing machine to a slower stitching speed operatively interconnected to said first means for sensing an end of seam and said sewing machine drive means;

Claim 21

Dependent Claim 121 words

The automatically operating sewing apparatus according to claim 1, wherein the pickup and transfer means for removing from the pickup feed position a single workpiece comprises: first means for holding a supply of adhesive tape, second means for holding an advanced adhesive tape, said first and second holding means being located on a common axis; means for guiding said adhesive tape from said first means over an end roller positioned on an arm which extends outwardly from said first and second holding means; means for oscillatingly rotating said arm between workpiece pickup position and transfer position and meaNs for holding said arm with the workpiece being held to the adhesive tape in position for feeding said workpiece to the sewing machine.

Claim 22

Dependent Claim 192 words

The automatically operating sewing apparatus according to claim 8 including the pickup and transfer means for removing from the pickup feed position a single workpiece and wherein the supply of adhesive tape is held in a reel, and wherein means for advancing said adhesive tape consists of an incrementally driven reel, the means for guiding the adhesive tape over the roller consists of two rollers axially aligned with the reels, one roller each for taking from and guiding the tape onto said reels respectively, said end roller over which said tape is guided is crowned and aligned in its longitudinal axial midpoint with said reels and said guide rollers, and the longitudinal axial direction between the guide rollers and the end roller is perpendicular and wherein the means for oscillatingly rotating said arm with the end roller is controlled by a clockwise and a counterclockwise limiting switch riding on a cam, said cam being on a shaft, and wherein said shaft supports said reels, arm, the guide means, and cams and is activated by driving means which oscillatingly rotates the said shaft between two positions at which the arm comes to rest.

Claim 23

Dependent Claim 68 words

means for stopping said feeding means including a. second means for sensing the end of said workpiece, operatively interconnected to, b. means for positioning and stopping said sewing machine with a sewing machine needle in a ''''down'''' position, operatively interconnected to said sewing machine drive means, and c. means for disengaging said feeding and guiding means, operatively interconnected to said means for positioning and stopping said sewing machine;

Claim 24

Dependent Claim 68 words

means for stopping said feeding means including a. second means for sensing the end of said workpiece, operatively interconnected to, b. means for positioning and stopping said sewing machine with a sewing machine needle in a ''''down'''' position, operatively interconnected to said sewing machine drive means, and c. means for disengaging said feeding and guiding means, operatively interconnected to said means for positioning and stopping said sewing machine;

Claim 25

Dependent Claim 92 words

means for positioning said workpiece for sewing said workpiece in at least one other direction from that of a preceding sewing direction, including a. means for pivoting said workpiece around the needle for a predetermined distance operatively interconnected to said means for feeding said workpiece during sewing, the first and second means for sensing the end of said workpiece and the means for sewing said workpiece; b. means for reengaging said means for feeding and guiding said workpiece, and c. means for reactivating sewing means after completion of said workpiece positioning means;

Claim 26

Dependent Claim 92 words

means for positioning said workpiece for sewing said workpiece in at least one other direction from that of a preceding sewing direction, including a. means for pivoting said workpiece around the needle for a predetermined distance operatively interconnected to said means for feeding said workpiece during sewing, the first and second means for sensing the end of said workpiece and the means for sewing said workpiece; b. means for reengaging said means for feeding and guiding said workpiece, and c. means for reactivating sewing means after completion of said workpiece positioning means;

Claim 27

Dependent Claim 12 words

An automatically operating sewing apparatus including a sewing machine, in combination comprising:

Claim 28

Dependent Claim 12 words

An automatically operating sewing apparatus including a sewing machine, in combination comprising:

Claim 29

Dependent Claim 20 words

means for activating said means for positioning said workpiece for sewing said workpiece whereby a predetermined positioning sequence is achieved;

Claim 30

Dependent Claim 20 words

means for activating said means for positioning said workpiece for sewing said workpiece whereby a predetermined positioning sequence is achieved;

Claim 31

Dependent Claim 66 words

means for deactivating said means for positioning said workpiece whereby the predetermined positioning sequence is terminated including a. means for continuing sewing after the sensing of the end of said workpiece by the first and second workpiece end sensing means, b. means for keeping engaged said feeding means, and c. means for activating said means for initial guiding of said workpiece for receiving the next workpiece;

Claim 32

Dependent Claim 66 words

means for deactivating said means for positioning said workpiece whereby the predetermined positioning sequence is terminated including a. means for continuing sewing after the sensing of the end of said workpiece by the first and second workpiece end sensing means, b. means for keeping engaged said feeding means, and c. means for activating said means for initial guiding of said workpiece for receiving the next workpiece;

Claim 33

Dependent Claim 99 words

Conveying means to remove a sewn workpiece from said sewing machine including a. means to detect the conveyance of said sewn workpiece, b. a partial, rapid conveying section as part of said conveying means whereby a faster conveying is effected in relationship to the conveying rate of the rest of said conveying means, c. engagement means for severing said workpiece whereby the workpiece is accelerated between said engagement means and said partial, rapid conveying section, thereby severing a thread chain joining said sewn workpiece with a workpiece being sewn; and d. edge guide means for further conveying said workpiece,

Claim 34

Dependent Claim 99 words

Conveying means to remove a sewn workpiece from said sewing machine including a. means to detect the conveyance of said sewn workpiece, b. a partial, rapid conveying section as part of said conveying means whereby a faster conveying is effected in relationship to the conveying rate of the rest of said conveying means, c. engagement means for severing said workpiece whereby the workpiece is accelerated between said engagement means and said partial, rapid conveying section, thereby severing a thread chain joining said sewn workpiece with a workpiece being sewn; and d. edge guide means for further conveying said workpiece,

Claim 35

Dependent Claim 110 words

means for removing and stacking said severed workpiece from said conveying means including a. means for detecting the presence of said severed workpiece, b. means for activating a removal rack to pivot the same approximately 180* in a direction perpendicularly away from the conveying means, c. means for deactivating said means for detecting the presence of said severed workpiece, d. means for receiving the workpiece on said pivoted removal rack whereby said receiving means are lowered progressively upon stacking each workpiecE on the same, e. means for returning said removal rack to its original position and, f. means for activating the means for detecting the presence of the severed workpiece;

Claim 36

Dependent Claim 110 words

means for removing and stacking said severed workpiece from said conveying means including a. means for detecting the presence of said severed workpiece, b. means for activating a removal rack to pivot the same approximately 180* in a direction perpendicularly away from the conveying means, c. means for deactivating said means for detecting the presence of said severed workpiece, d. means for receiving the workpiece on said pivoted removal rack whereby said receiving means are lowered progressively upon stacking each workpiecE on the same, e. means for returning said removal rack to its original position and, f. means for activating the means for detecting the presence of the severed workpiece;

Claim 37

Dependent Claim 20 words

means for monitoring the correct operation of said automatically operating sewing apparatus including means for signaling a malfunctioning of same.

Claim 38

Dependent Claim 20 words

means for monitoring the correct operation of said automatically operating sewing apparatus including means for signaling a malfunctioning of same.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1974-06-28	1974-12-28	1975-06-29	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1978-06-28	1978-12-28	1979-06-29	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1982-06-28	1982-12-28	1983-06-29	$7700.00	Window Closed / Lapsed

Pocket blank sewing machine

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