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US3575219A
Expired / Lapsed
US
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Coil winding apparatus and method
Assignee: Essex International Inc
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Filing: 1969-03-19
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Granted: 1971-04-20
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Expires: 1989-03-19
Abstract
Abstract Apparatus for winding coils on a coil form having a plurality of steps of progressively smaller size. A flyer is provided mounted on a shaft for winding an elongated strand on the steps to form the coils. A first support is provided for rotatably supporting the shaft and a drive is coupled to the shaft for rotating the same thereby to rotate the flyer. A second support is provided for supporting the first support for longitudinal movement parallel with the axis of the shaft. A first actuator is provided on the second support operably connected to the first support for longitudinally moving the first support and the shaft so as to position the flyer in winding relationship with the coil form steps. A second actuator is provided operably connected to the second support for moving the same longitudinally thereby to move the first support and the shaft so as to traverse the flyer with respect to the coil form.
Inventors
- 👤 Robert J Eminger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:41
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/04; H02K15/043; H02K15/0431; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071
Claims Analysis
Total Claims: 41
Claim 1
Independent Claim
194 words
Apparatus for winding coils upon a coil form having means forming a plurality of steps of progressively smaller size, said apparatus comprising: flyer means mounted on a shaft and including means for winding an elongated strand on said steps to form said coils; first means for rotatably supporting said shaft; drive means coupled to said shaft for rotating the same thereby to rotate said flyer means; second means for supporting said first support means for longitudinal movement thereon parallel with the axis of said shaft; frame means for supporting said second support means for longitudinal movement thereon parallel with the axis of said shaft; first means on said second sUpport means and operatively connected to said first support means for sequentially moving said first support means and shaft in incremental steps respectively corresponding to said coil form means steps thereby to position said flyer means in winding relationship with said coil form means steps; and second means on said frame means operatively connected to said second support means for moving the same longitudinally thereby moving said first support means and shaft longitudinally to traverse said flyer means with respect to said coil form means.
Claim 2
Dependent Claim
194 words
Apparatus for winding coils upon a coil form having means forming a plurality of steps of progressively smaller size, said apparatus comprising: flyer means mounted on a shaft and including means for winding an elongated strand on said steps to form said coils; first means for rotatably supporting said shaft; drive means coupled to said shaft for rotating the same thereby to rotate said flyer means; second means for supporting said first support means for longitudinal movement thereon parallel with the axis of said shaft; frame means for supporting said second support means for longitudinal movement thereon parallel with the axis of said shaft; first means on said second sUpport means and operatively connected to said first support means for sequentially moving said first support means and shaft in incremental steps respectively corresponding to said coil form means steps thereby to position said flyer means in winding relationship with said coil form means steps; and second means on said frame means operatively connected to said second support means for moving the same longitudinally thereby moving said first support means and shaft longitudinally to traverse said flyer means with respect to said coil form means.
Claim 3
Dependent Claim
86 words
The apparatus of claim 1 wherein said first moving means comprises power means on said second support means operatively connected to said first support means and selectively operable to move said first support means and shaft longitudinally in a first direction from a first position to a second spaced position, and latching means on said second support means and cooperating with said first support means for selectively restraining said movement of said first support means and shaft in said first direction at least one intermediate position.
Claim 4
Dependent Claim
130 words
The apparatus of claim 2 wherein said power means comprises a first fluid cylinder, said first cylinder being selectively operable to move said first support means and shaft in the opposite direction from said second to said first position said latching means comprising at least a second fluid cylinder and a latch operated thereby, said first support means having a least one abutment thereon cooperating with said latch whereby actuation of said first cylinder to move said first support means and shaft in said first direction away from said first position moves the same to said intermediate position with said abutment engaging said latch, and actuation of said second cylinder disengages said latch from said abutment thereby permitting movement of said first support means and shaft to said second position.
Claim 5
Dependent Claim
44 words
The apparatus of claim 3 wherein said latching means comprises second and third fluid cylinders and latches respectively operated thereby, said first support means having at least two longitudinally spaced abutments thereon respectively cooperating with said latches and defining at least two intermediate positions.
Claim 6
Dependent Claim
42 words
The apparatus of claim 1 wherein said second moving means comprises means for longitudinally oscillating said second support means with said first support means and shaft thereon with a predetermined throw corresponding to the axial length of said coil form means steps.
Claim 7
Dependent Claim
35 words
The apparatus of claim 5 wherein said oscillating means comprises cam means operatively connected to said drive means, and cam follower means cooperating with said cam means and operatively connected to said second support means.
Claim 8
Dependent Claim
30 words
The apparatus of claim 5 wherein there are at least first and second predetermined throws, said oscillating means including means for selectively changing from said first to said second throw.
Claim 9
Dependent Claim
52 words
The apparatus of claim 6 further comprising a pivotal lever member operatively connecting said cam follower means to said second support means, and third means for moving the pivot point of said lever member between at least first and second predetermined position thereby to provide at least first and second predetermined throws.
Claim 10
Dependent Claim
36 words
The apparatus of claim 8 wherein said third moving means comprises a fluid cylinder having an actuating member selectively operable thereby between first and second positions, said actuating member being pivotally connected to said lever member.
Claim 11
Dependent Claim
35 words
The apparatus of claim 6 wherein said throw of said cam follower means has first and second extremities, and further comprising third means for selectively independently moving said cam follower to one of said extremities.
Claim 12
Dependent Claim
51 words
The apparatus of claim 10 wherein said cam follower means comprises a member movable between said first and second extremities and having means thereon cooperating with said cam means, said third moving means comprising a fluid cylinder operatively connected To said member for selectively moving the same to said one extremity.
Claim 13
Dependent Claim
39 words
The apparatus of claim 1 wherein said second moving means comprises means for continuously linearly moving said second support means longitudinally in a first direction between first and second spaced positions thereby traversing said flyer means in said direction.
Claim 14
Dependent Claim
33 words
The apparatus of claim 12 wherein said continuous moving means includes lead screw means operatively coupled to said drive means, and means operatively connecting said second support means to said lead screw means.
Claim 15
Dependent Claim
102 words
The apparatus of claim 1 wherein said first moving means comprises means for selectively sequentially moving said first support means and shaft in incremental steps longitudinally in a first direction from a first position to at least one second intermediate position and then to a second spaced position, said second moving means comprising means for longitudinally oscillating said second support means with said first support means and shaft thereon with a predetermined throw having first and second extremities, and third means for selectively independently moving said second support means with said first support means and shaft thereon to one of said extremities.
Claim 16
Dependent Claim
162 words
The apparatus of claim 14 wherein said drive means includes means for selectively driving said shaft at higher and lower speeds, means for stopping rotation of said shaft and flyer means, and means for counting the number of revolutions of said shaft and flyer means, and further comprising means responsive ro said counting means for actuating said drive means from said higher to said lower speed in response to a first predetermined number of revolutions of said shaft, means responsive to said counting means for actuating said third moving means in response to said first predetermined number to move said second support means to said one extremity, means responsive to a second predetermined number of revolutions of said shaft higher than said first number for actuating said stopping means to stop said shaft, and means responsive to said counting means for actuating said first moving means in response to said second number to move said first moving means to said intermediate position.
Claim 17
Dependent Claim
23 words
The apparatus of claim 15 wherein said stopping means includes means for stopping said shaft and flyer means at a predetermined rotational position.
Claim 18
Dependent Claim
66 words
The apparatus of claim 15 wherein there are first and second predetermined throws of said second support means, and further comprising means coupled to said second moving means for selectively changing from said first to said second throw, and means responsive to said counting means for actuating said changing means in response to said second member thereby to change from said first to said second throw.
Claim 19
Dependent Claim
83 words
The apparatus of claim 1 further comprising a coil form having an axis and means forming a plurality of axially extending steps of progressively smaller size, means for supporting said coil form with its axis parallel with the axis of said shaft, and means for moving said coil form means axially from a first protracted position in winding relationship with said flyer means and a second retracted position spaced axially from said first position and out of winding relationship with said flyer means.
Claim 20
Dependent Claim
54 words
The apparatus of claim 18 wherein there are a plurality of said coil forms equally radially spaced about an axis parallel with said coil form axes, and means for mounting said coil forms for rotation about said last-named axis thereby successively to bring the respective coil forms into winding relationship with said flyer means.
Claim 21
Dependent Claim
241 words
The apparatus of claim 1 wherein said coil form has axially spaced forward and rear ends with said rear end facing said flyer means, the largest of said steps being at said forward end and the smallest at said rear end, each of said coil form steps having a predetermined axial length, said first moving means including means for selectively sequentially moving said first support Means, shaft and flyer means from a forward to a rear position in incremental axial steps respectively corresponding to the length of said coil form steps, said first moving means in said forward position thereof locating said flyer means in winding relationship with the largest of said coil form steps and in each successive step locating said flyer means in winding relationship with the next smaller coil form step, said second moving means including means for oscillating said second support means between axially spaced forward and rear positions thereby to level wind a coil in multiple layers on a respective coil form step; and further comprising means for counting the number of revolutions of said flyer means, and means responsive to said counting means for actuating said first moving means to move the same one incremental step in response to a predetermined number of revolutions of said flyer means thereby to move said flyer means into winding relationship with the next smaller coil form step upon completion of winding a coil on the next larger step.
Claim 22
Dependent Claim
98 words
The apparatus of claim 20 wherein said flyer means is located adjacent the rear end of a respective coil form step when said second support means is in said rear position thereof, and further comprising means responsive to said counting means for moving said second support means to said rear position thereof in response to a predetermined number of revolutions of said flyer means less than said first-named number whereby said flyer means is moved to a location adjacent the rear edge of a respective step prior to said movement of said first moving means by one step.
Claim 23
Dependent Claim
93 words
The apparatus of claim 20 wherein said drive means includes means for selectively rotating said shaft and flyer means at predetermined higher and lower speeds, and further comprising means for initially actuating said drive means to said higher speed, means responsive to said counting means for actuating said drive means to said lower speed in response to a predetermined number of revolutions of said flyer means less than said first-named number, and means responsive to said counting means for actuating said driving means to said higher speed in response to said first-named number.
Claim 24
Dependent Claim
104 words
The apparatus of claim 1 wherein said second moving means comprises lead screw means operatively coupled to said drive means and driven thereby for moving said second support means longitudinally in a first direction between first and second spaced positions thereby to traverse said flyer means in said direction, coupling means connected to said second support means for selectively engaging and disengaging said lead screw means thereby operatively to connect said second support means to said lead screw means, and power means selectively operable to move said support means longitudinally in the direction opposite said first direction from said second to said first positions.
Claim 25
Dependent Claim
118 words
The apparatus of claim 23 further comprising first means for actuating said coupling means to disengage the same from said lead screw means at a selected position spaced from said first position in said first direction thereby permitting said power means to move said second support means to said first position, means for detecting a predetermined rotational position of said lead screw means with respect to said coupling means when said second support means is in said first position, means for rotating said lead screw means to said predetermined rotational position, and second means for actuating said coupling means to engage the same with said lead screw means at said first position in response to said detecting means.
Claim 26
Dependent Claim
190 words
The apparatus of claim 24 wherein said coil form has an axis parallel with the axis of said shaft, said first direction being parallel with said shaft axis, said coil form steps progressing from largest-to-smallest in said first direction, said first position of said second support means locating said flyer means to initiate winding of a coil on said largest step, the windinG of said coils progressing in said first direction in response to rotation of said lead screw means, said second support means being at said selected position when said flyer means is located at the end of a coil on said smallest step; and further comprising means for stopping said drive means and lead screw means in response to completion of the winding of said coil on said smallest step, said rotating means rotating said lead screw means independently of said drive means, means for actuating said power means to move said second support means to said first position in response to actuation of said first actuating means, and means for starting said drive means and lead screw means in response to actuation of said second actuating means.
Claim 27
Dependent Claim
75 words
The apparatus of claim 24 wherein said coupling means comprises a member having an aperture therethrough receiving said lead screw means, said aperture having a portion adapted threadingly to engage said lead screw means, and means for pivotally mounting said member on said second support means for movement between a first position with said portion engaging said lead screw means and a second position with said portion out of engagement with said lead screw means.
Claim 28
Dependent Claim
65 words
The apparatus of claim 25 wherein said lead screw rotating means comprises a gear mounted on said lead screw means, a rack cooperating with said gear for rotating the same and said lead screw means in response to linear motion of said rack, and power means for linearly moving said rack thereby to rotate said gear and lead screw means to said predetermined rotational position.
Claim 29
Dependent Claim
124 words
The apparatus of claim 25 wherein said drive means includes means for selectively rotating said shaft and flyer means in opposite directions, and first one-way drive means for coupling said first-named drive means to said lead screw means for rotating the same in one direction thereby to move said second support means in said first direction despite the direction of rotation of said shaft and flyer means; said lead screw rotating means comprising a gear; second one-way drive means for coupling said gear to said lead screw means for rotating the same in said one direction, gear means cooperating with said gear for rotating the same and said lead screw means in said one direction, and second power means for actuating said gear means.
Claim 30
Dependent Claim
139 words
The apparatus of claim 25 wherein said detecting means comprises a commutator coupled to said lead screw means and rotatable therewith, said commutator having a contact segment thereon having a fixed rotational relationship with respect to said lead screw means, contact means cooperating with said commutator for completing a circuit through said contact segment when said lead screw means is in said predetermined rotational position, and further comprising means for actuating said lead screw rotating means in response to movement of said second support means to said selected position thereof and in the absence of completion of said circuit, said second actuating means including means for actuating said coupling means to engage said lead screw means in response to completion of said circuit, and means for deactuating said lead screw rotating means in response to completion of said circuit.
Claim 31
Dependent Claim
197 words
The apparatus of claim 25 wherein said first moving means comprises second power means selectively operable to move said first support means and shaft with respect to said second support means longitudinally in said first direction from a first position to a second position spaced therefrom, latching means selectively operable to restrain movement of said first support means and shaft in said first direction at a plurality of spaced positions corresponding to the number of steps on said form, means for actuating said latching means responsive to completion of winding the coil on each of said form steps whereby said second power means moves said first support means and shaft in said first direction to a position in which said flyer means is located to initiate winding of tHe coil on the next smaller step, said first support means in said first position thereof locating said flyer means for initiating winding of the coil on the largest step when said second support means is in said first position thereof, and means for actuating said second power means to move said first support means to said first position thereof in response to actuation of said first actuating means.
Claim 32
Dependent Claim
304 words
In apparatus for winding a single layer coil upon a coil form; flyer means mounted on a shaft for winding an elongated strand on said form to said coil; means for rotatably mounting said shaft; drive means coupled to said shaft for rotating the same thereby to rotate said flyer means; means for supporting said mounting means for longitudinal movement parallel with the axis of said shaft; lead screw means operatively coupled to said drive means and driven thereby for longitudinally moving said mounting means and shaft in a first direction between first and second spaced positions thereby to traverse said flyer means with respect to said coil form; coupling means connected to said mounting means for selectively engaging and disengaging said lead screw means thereby operatively to connect said mounting means to said lead screw means; power means selectively operable to move said mounting means and shaft longitudinally in the direction opposite said first direction from said second to said first position thereof; means for stopping said drive means and lead screw means at a selected position of said mounting means spaced from said first position in said first direction thereby terminating winding of said coil; first means for actuating said coupling means to disengage the same from said lead screw means at said selected position thereby permitting said power means to move said mounting means and shaft to said first position; means for detecting a predetermined rotational position of said lead screw means with respect to said coupling means when said mounting means is in said first position; means for rotating said lead screw means to said predetermined rotational position independently of said drive means; and second means for actuating said coupling means to engage the same with said lead screw means at said first position in response to said detecting means.
Claim 33
Dependent Claim
304 words
In apparatus for winding a single layer coil upon a coil form; flyer means mounted on a shaft for winding an elongated strand on said form to said coil; means for rotatably mounting said shaft; drive means coupled to said shaft for rotating the same thereby to rotate said flyer means; means for supporting said mounting means for longitudinal movement parallel with the axis of said shaft; lead screw means operatively coupled to said drive means and driven thereby for longitudinally moving said mounting means and shaft in a first direction between first and second spaced positions thereby to traverse said flyer means with respect to said coil form; coupling means connected to said mounting means for selectively engaging and disengaging said lead screw means thereby operatively to connect said mounting means to said lead screw means; power means selectively operable to move said mounting means and shaft longitudinally in the direction opposite said first direction from said second to said first position thereof; means for stopping said drive means and lead screw means at a selected position of said mounting means spaced from said first position in said first direction thereby terminating winding of said coil; first means for actuating said coupling means to disengage the same from said lead screw means at said selected position thereby permitting said power means to move said mounting means and shaft to said first position; means for detecting a predetermined rotational position of said lead screw means with respect to said coupling means when said mounting means is in said first position; means for rotating said lead screw means to said predetermined rotational position independently of said drive means; and second means for actuating said coupling means to engage the same with said lead screw means at said first position in response to said detecting means.
Claim 34
Dependent Claim
75 words
The apparatus of claim 31 wherein said coupling means comprises a member having an aperture therethrough receiving said lead screw means, said aperture having a portion adapted threadingly to engage said lead screw means, and means for pivotally mounting said member on said second support means for movement between a first position with said portion engaging said lead screw means and a second position with said portion out of engagement with said lead screw means.
Claim 35
Dependent Claim
113 words
The apparatus of claim 31 wherein said drive means includes means for selectively rotating said shaft and flyer means in opposite directions, and first one-way drive means for coupling said first-named drive means to said lead screw means for rotating the same in one direction despite the direction of rotation of said shaft and flyer means; said lead screw rotating means comprising a gear, second one-way drive means for coupling said gear to said lead screw means for rotating the same in said one direction, gear means cooperating with said gear for rotating the same and said lead screw means in said one direction, and second power means for actuating said gear means.
Claim 36
Dependent Claim
38 words
The apparatus of claim 33 wherein said gear means comprises a rack, said second power means linearly moving said rack thereby to rotate said gear and lead screw means in said one direction to said predetermined rotational position.
Claim 37
Dependent Claim
137 words
The apparatus of claim 31 wherein said detecting means comprises a commutator coupled to said lead screw means and rotatable therewith, said commutator having a contact segment thereon having a fixed rotational relationship with respect to said lead screw means, contact means cooperating with said commutator for completing a circuit through said coNtact segment when said lead screw means is in said predetermined rotational position, and further comprising means for actuating said lead screw rotating means in response to movement of said mounting means to said selected position and in the absence of completion of said circuit, said second actuating means including means for actuating said coupling means to engage said lead screw means in response to completion of said circuit, and means for deactuating said lead screw rotating means in response to completion of said circuit.
Claim 38
Independent Claim
395 words
The method of winding dynamoelectric machine coils upon a stepped coil form having spaced opposite ends with at least two steps of progressively smaller size extending therebetween, said method comprising the steps of; feeding an elongated wire to means for winding said wire upon said coil form; relatively locating one of said winding means and coil form with respect to the other with said winding means in winding relationship with a first step at one end of said coil form; relatively rotating one of said winding means and coil form with respect to the other and simultaneously longitudinally moving one of said winding means and coil form with respect to the other thereby to wind a first coil on said first step; counting the number of turns wound on said first coil; relatively longitudinally moving one of said winding means and coil form with respect to the other in one incremental step to locate said winding means in winding relationship with the second step of said coil form adjacent said first coil form step in response to winding a predetermined number of turns of said first coil; similarly winding a second coil on said second coil form step; said simultaneous moving step being continuous and linear in one direction toward the other end of said coil form thereby to single layer wind each of said coils on the respective coil form step, said movement in one incremental step being independent of said simultaneous movement, said simultaneous moving step further including engaging thread engaging means on one of said winding means and coil form with a lead screw and rotating said lead screw; stopping said relative rotation of said winding means and coil form and said rotation of said lead screw upon completion of winding a coil on the coil form step adjacent said other coil form end, disengaging said thread engaging means from said lead screw, removing said coils from said coil form steps, relatively moving said one of said winding means and coil form means with respect to the other to again locate said winding means in winding relationship with said first coil form step, rotating said lead screw a partial turn to a predetermined rotational position with respect to said thread engaging means, again engaging said thread engaging means with said lead screw, and similarly again winding coils on said coil form steps.
Claim 39
Independent Claim
395 words
The method of winding dynamoelectric machine coils upon a stepped coil form having spaced opposite ends with at least two steps of progressively smaller size extending therebetween, said method comprising the steps of; feeding an elongated wire to means for winding said wire upon said coil form; relatively locating one of said winding means and coil form with respect to the other with said winding means in winding relationship with a first step at one end of said coil form; relatively rotating one of said winding means and coil form with respect to the other and simultaneously longitudinally moving one of said winding means and coil form with respect to the other thereby to wind a first coil on said first step; counting the number of turns wound on said first coil; relatively longitudinally moving one of said winding means and coil form with respect to the other in one incremental step to locate said winding means in winding relationship with the second step of said coil form adjacent said first coil form step in response to winding a predetermined number of turns of said first coil; similarly winding a second coil on said second coil form step; said simultaneous moving step being continuous and linear in one direction toward the other end of said coil form thereby to single layer wind each of said coils on the respective coil form step, said movement in one incremental step being independent of said simultaneous movement, said simultaneous moving step further including engaging thread engaging means on one of said winding means and coil form with a lead screw and rotating said lead screw; stopping said relative rotation of said winding means and coil form and said rotation of said lead screw upon completion of winding a coil on the coil form step adjacent said other coil form end, disengaging said thread engaging means from said lead screw, removing said coils from said coil form steps, relatively moving said one of said winding means and coil form means with respect to the other to again locate said winding means in winding relationship with said first coil form step, rotating said lead screw a partial turn to a predetermined rotational position with respect to said thread engaging means, again engaging said thread engaging means with said lead screw, and similarly again winding coils on said coil form steps.
Claim 40
Independent Claim
262 words
The method of winding dynamoelectric machine coils upon a stepped coil form having spaced opposite ends with at least two steps of progressively smaller size extending therebetween, said method comprising the steps of: feeding an elongated wire to means for winding said wire upon said coil form; relatively locating one of said winding means and coil form with respect to the other with said winding means in winding relationship with a first step at one end of said coil form; relatively rotating one of said winding means and coil form with respect to the other and simultaneously longitudinally moving one of said winding means and coil form with respect to the other thereby to wind a first coil on said first step; counting the number of turns wound on said first coil; relatively longitudinally moving one of said winding means and coil form with respect to the other in one incremental step to locate said winding means in winding relationship with the second step of said coil form adjacent said first coil form step in response to winding a predetermined number of turns on said first coil; similarly winding a second coil on said second coil form step; slowing said relative rotation from a first predetermined higher speed to a second predetermined lower speed in response to winding a predetermined number of turns on said first coil less than said first-named predetermined number, the remaining turns of said first coil being wound at said lower speed, and resuming said relative rotation at said higher speed in response to said first predetermined number.
Claim 41
Independent Claim
262 words
The method of winding dynamoelectric machine coils upon a stepped coil form having spaced opposite ends with at least two steps of progressively smaller size extending therebetween, said method comprising the steps of: feeding an elongated wire to means for winding said wire upon said coil form; relatively locating one of said winding means and coil form with respect to the other with said winding means in winding relationship with a first step at one end of said coil form; relatively rotating one of said winding means and coil form with respect to the other and simultaneously longitudinally moving one of said winding means and coil form with respect to the other thereby to wind a first coil on said first step; counting the number of turns wound on said first coil; relatively longitudinally moving one of said winding means and coil form with respect to the other in one incremental step to locate said winding means in winding relationship with the second step of said coil form adjacent said first coil form step in response to winding a predetermined number of turns on said first coil; similarly winding a second coil on said second coil form step; slowing said relative rotation from a first predetermined higher speed to a second predetermined lower speed in response to winding a predetermined number of turns on said first coil less than said first-named predetermined number, the remaining turns of said first coil being wound at said lower speed, and resuming said relative rotation at said higher speed in response to said first predetermined number.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |