US3851196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural axis linear motor structure
Assignee: SPX Technologies Inc
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Filing: 1973-04-05
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Granted: 1974-11-26
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Expires: 1993-04-05
Abstract
Abstract A positioning system for providing a controlled relative movement between two members along first and second coordinate axes including first member, such as a magnetic platen, having at least two separate areas and with each area corresponding to a different one of the coordinate axes, and with each area having a different energy configuration such as parallel ridges of magnetic material to provide magnetic energy configurations, and with at least two of the energy configurations disposed relative to each other along the coordinate axes and with a second member, such as a head disposed for movement relative to the first member along the first and second coordinate axes and with the second member including different means, and with each means selective energizable for providing forces between the second member and the first member in cooperation with the individual energy configurations of the separate areas of the first member to provide independent movement of the second member along the coordinate axes.
Inventors
- 👤 W Hinds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:08
CPC Classifications
H; H02; H02K; H02K41/00; H02K41/02; H02K41/03; B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/545; H02K37/00; H02K37/02; H02K37/04; H02K37/06; H02K2201/00; H02K2201/18
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
301 words
A positioning system for providing a controlled relative displacement in first and second coordinate directions, including a first member forming a platen having at least two separate areas and with each one of the areas corresponding to a different one of the coordinate axes and with each of the areas being provided witH a plurality of first portions defining a first energy level and spaced from one another by second portions defining a second energy level different from the first energy level and with the first and second portions in a first one of the separate areas being spaced from one another along the first coordinate direction and with the first and second portions in the other one of the separate areas being spaced from one another along the second coordinate direction, and a second member disposed relative to the first member for movement relative to the first member along each of the first and second coordinate directions independent of the movement along the other coordinate direction and with the second member including first means disposed in contiguous relationship to the first area of the first member and energizable for producing a first force between the second member and the first portions in the first area of the first member to provide an independent displacement of the second member relative to the first member in the first coordinate direction in accordance with such energizing and with the second member including second means disposed in contiguous relationship to the second area of the first member and energizable for producing a second force between the second member and the first portions of the second area of the first member to provide an independent displacement of the second member relative to the first member in the second coordinate direction in accordance with such energizing.
Claim 2
Dependent Claim
301 words
A positioning system for providing a controlled relative displacement in first and second coordinate directions, including a first member forming a platen having at least two separate areas and with each one of the areas corresponding to a different one of the coordinate axes and with each of the areas being provided witH a plurality of first portions defining a first energy level and spaced from one another by second portions defining a second energy level different from the first energy level and with the first and second portions in a first one of the separate areas being spaced from one another along the first coordinate direction and with the first and second portions in the other one of the separate areas being spaced from one another along the second coordinate direction, and a second member disposed relative to the first member for movement relative to the first member along each of the first and second coordinate directions independent of the movement along the other coordinate direction and with the second member including first means disposed in contiguous relationship to the first area of the first member and energizable for producing a first force between the second member and the first portions in the first area of the first member to provide an independent displacement of the second member relative to the first member in the first coordinate direction in accordance with such energizing and with the second member including second means disposed in contiguous relationship to the second area of the first member and energizable for producing a second force between the second member and the first portions of the second area of the first member to provide an independent displacement of the second member relative to the first member in the second coordinate direction in accordance with such energizing.
Claim 3
Dependent Claim
155 words
The positioning system of claim 1 wherein the first member includes at least a third separate area spaced from the second area and having first and second portions corresponding to the first and second portions in the second area and spaced from one another in the second coordinate direction in accordance with the spacing between the first and second portions of the second area and with the first area intermediate the second and third spaced areas and with the second member including third means spaced from the second means and with the third means disposed in contiguous relationship to the third separate area and energizable for producing between the second member and the first portions of the third area in the first member a third force corresponding to the second force to provide an independent displacement of the second member relative to the first member in the second coordinate direction in accordance with such energizing.
Claim 4
Dependent Claim
45 words
The positioning system of claim 1 wherein the first and second areas of the first member define a planar surface and the second member is displaced relative to the first member in the coordinate directions while being maintained in contiguous relationship to the first member.
Claim 5
Dependent Claim
87 words
The positioning system of claim 1 wherein the first and second areas of the first member define an arcuate surface in at least the first coordinate direction and a linear configuration in the second coordinate direction and the second member is angularly displaced relative to the first member in the first coordinate direction while being maintained in contiguous relationship to the first member and is linearly displaced relative to the first member in the second coordinate direction while being maintained in contiguous relationship to the first member.
Claim 6
Dependent Claim
53 words
The positioning system of claim 1 wherein the first and second members of the first member define an arcuate surface in the first and second coordinate directions and the second member is angularly displaced relative to the first member along both coordinate directions while being maintained in contiguous relationship to the first member.
Claim 7
Dependent Claim
211 words
A positioning system for producing a controlled relative displacement in first and second coordinate directions, including a magnetic platen having at least first and second separate areas spaced from each other, each of the areas controlling movement in a particular one of the coordinate directions and each defined by first portions having a first magnetic stRength and second portions spaced between the first portions in the direction of the particular coordinate axis and having a second magnetic strength different from the first strength, and a head positioned adjacent to the platen for movement relative to the platen in the coordinate directions and including first magnetic means disposed adjacent to the first and second portions in the first area of the platen for providing a force between the head and the first area to provide a movement of the head relative to the platen in the first coordinate direction and including second magnetic means disposed adjacent to the first and second portions in the second area of the platen for providing a force between the head and the second area to provide a movement of the head relative to the platen in the second coordinate direction independently of the movement of the head relative to the platen in the first coordinate direction.
Claim 8
Dependent Claim
211 words
A positioning system for producing a controlled relative displacement in first and second coordinate directions, including a magnetic platen having at least first and second separate areas spaced from each other, each of the areas controlling movement in a particular one of the coordinate directions and each defined by first portions having a first magnetic stRength and second portions spaced between the first portions in the direction of the particular coordinate axis and having a second magnetic strength different from the first strength, and a head positioned adjacent to the platen for movement relative to the platen in the coordinate directions and including first magnetic means disposed adjacent to the first and second portions in the first area of the platen for providing a force between the head and the first area to provide a movement of the head relative to the platen in the first coordinate direction and including second magnetic means disposed adjacent to the first and second portions in the second area of the platen for providing a force between the head and the second area to provide a movement of the head relative to the platen in the second coordinate direction independently of the movement of the head relative to the platen in the first coordinate direction.
Claim 9
Dependent Claim
178 words
The positioning system of claim 6 wherein the magnetic platen includes at least a third separate area spaced from the first and second areas and having first and second portions disposed in the same configuration as the first and second portions in the second area and provided with the same magnetic properties as the first and second portions in the second area and wherein the first area is intermediate the second and third spaced areas and wherein the head includes third magnetic means spaced from the second magnetic means and disposed adjacent to the first and second portions in the third area of the platen and wherein the second and third means are constructed and disposed relative to the second and third areas of the platen to produce a force between the head and the second and third areas of the magnetic platen to provide an independent displacement of the head relative to the magnetic platen in the second coordinate direction independently of the movement of the head relative to the magnetic platen in the first coordinate direction.
Claim 10
Dependent Claim
38 words
The positioning system of claim 6 wherein the magnetic platen forms a flat surface and the head is constructed to be displaced linearly in each of the coordinate directions while being positioned in adjacent relationship to the platen.
Claim 11
Dependent Claim
60 words
The positioning system of claim 1 wherein the magnetic platen forms a curved surface in at least a particular one of the first and second coordinate directions and the head is constructed to be displaced angularly in the particular coordinate direction and to be displaced linearly in the other coordinate direction while being positioned in adjacent relationship to the platen.
Claim 12
Dependent Claim
43 words
The positioning system of claim 6 wherein the magnetic platen forms a curved surface in the two coordinate directions and the head is constructed to be angularly displaced in each of the coordinate directions while being positioned in adjacent relationship to the platen.
Claim 13
Dependent Claim
248 words
A positioning system providing a controlled relative displacement in first and second coordinate directions, including a platen having at least first and second separate areas controlling displacement in the first coordinate direction and having a third separate area controlling displacement in the second coordinate direction, and each of the first, second and third areas having first portions with particular dimensions in the direction of displacement controlled by such area and having second portions providing the particular spacing of the first portions from one another in the direction of displacement controlled by such area, the third area being disposed between the first and second areas in the direction of displacement provided by the third area, the first portions in each area having a different energy level than the second portions in that area, and a head positioned adjacent to the platen for displacement relative to the platen in the first and second coordinate directions and including first and second means respectively disposed relative to the first and second areas of the platen and constructed tO provide a force between the head and the respective ones of the first and second areas to provide a displacement of the head relative to the platen in the first coordinate direction and including third means disposed relative to the third area of the platen and constructed to provide a force between the head and the third area to provide a displacement of the head relative to the platen in the second coordinate direction.
Claim 14
Dependent Claim
248 words
A positioning system providing a controlled relative displacement in first and second coordinate directions, including a platen having at least first and second separate areas controlling displacement in the first coordinate direction and having a third separate area controlling displacement in the second coordinate direction, and each of the first, second and third areas having first portions with particular dimensions in the direction of displacement controlled by such area and having second portions providing the particular spacing of the first portions from one another in the direction of displacement controlled by such area, the third area being disposed between the first and second areas in the direction of displacement provided by the third area, the first portions in each area having a different energy level than the second portions in that area, and a head positioned adjacent to the platen for displacement relative to the platen in the first and second coordinate directions and including first and second means respectively disposed relative to the first and second areas of the platen and constructed tO provide a force between the head and the respective ones of the first and second areas to provide a displacement of the head relative to the platen in the first coordinate direction and including third means disposed relative to the third area of the platen and constructed to provide a force between the head and the third area to provide a displacement of the head relative to the platen in the second coordinate direction.
Claim 15
Dependent Claim
90 words
The positioning system of claim 11 wherein the platen includes a fourth separate area having first and second portions corresponding in construction and disposition in the second direction to the construction and disposition of the first and second portions of the third area and further includes fourth means disposed relative to the fourth area of the platen to provide a force with the third means between the head and the third and fourth areas to provide a displacement of the head relative to the platen in the second coordinate direction.
Claim 16
Dependent Claim
51 words
The positioning system of claim 12 wherein the first and second areas are spaced from each other in the second coordinate direction and the third and fourth areas are spaced from each other in the first coordinate direction to provide an open area intermediate the first, second, third, and fourth areas.
Claim 17
Dependent Claim
44 words
The positioning system of claim 11 wherein the platen forms a flat surface and the head is constructed to be displaced linearly in each of the first and second coordinate directions relative to the platen while being positioned in adjacent relationship to the platen.
Claim 18
Dependent Claim
63 words
The positioning system of claim 11 wherein the platen forms a curved surface in a particular one of the first and second directions and the head is constructed to be displaced angularly in the particular one of the coordinate directions and linearly in the other one of the coordinate directions relative to the platen while being positioned in adjacent relationship to the platen.
Claim 19
Dependent Claim
48 words
The positioning system of claim 11 wherein the platen forms a curved surface in each of the two coordinate directions and the head is constructed to be displaced angularly in each of the coordinate directions relative to the platen while being positioned in adjacent relationship to the platen.
Claim 20
Dependent Claim
281 words
A positioning system providing a controlled relative displacement in first and second coordinate directions, including a flat magnetic platen having at least first and second spaced separate areas controlling relative displacement in the first coordinate direction and a third separate area controlling relative displacement in the second coordinate direction, each of the first and second areas having first magnetic portions with uniform dimensions and with uniform spacings in the first coordinate direction and having second magnetic portions in the uniform spacings in the first coordinate direction and each of the third areas having first magnetic portions with uniform dimensions and with uniform spacings in the second coordinate direction and having second magnetic portions in the uniform spacings in the second coordinate direction, the first magnetic portions in each of the first, second and third areas having different magnetic properties than the second magnetic portions in the corresponding one of the first, second and third areas, and a head positioned adjacent to the magnetic platen for movement relative to the platen along the first and second coordinate axes including first and second electromagnetic means disposed adjacent to the first and second magnetic portions in the first and second areas respectively, and constructed to provide a magnetic force between the head and the respective ones of the first and second areas to provide a displacement of the head relative to the platen in the first coordinate direction and including third electromagnetic means disposed adjacent to the first and second magnetic portions in the third area to provide a magnetic force between the head and the third area to provide a displacement of the head relAtive to the platen in the second coordinate direction.
Claim 21
Dependent Claim
281 words
A positioning system providing a controlled relative displacement in first and second coordinate directions, including a flat magnetic platen having at least first and second spaced separate areas controlling relative displacement in the first coordinate direction and a third separate area controlling relative displacement in the second coordinate direction, each of the first and second areas having first magnetic portions with uniform dimensions and with uniform spacings in the first coordinate direction and having second magnetic portions in the uniform spacings in the first coordinate direction and each of the third areas having first magnetic portions with uniform dimensions and with uniform spacings in the second coordinate direction and having second magnetic portions in the uniform spacings in the second coordinate direction, the first magnetic portions in each of the first, second and third areas having different magnetic properties than the second magnetic portions in the corresponding one of the first, second and third areas, and a head positioned adjacent to the magnetic platen for movement relative to the platen along the first and second coordinate axes including first and second electromagnetic means disposed adjacent to the first and second magnetic portions in the first and second areas respectively, and constructed to provide a magnetic force between the head and the respective ones of the first and second areas to provide a displacement of the head relative to the platen in the first coordinate direction and including third electromagnetic means disposed adjacent to the first and second magnetic portions in the third area to provide a magnetic force between the head and the third area to provide a displacement of the head relAtive to the platen in the second coordinate direction.
Claim 22
Dependent Claim
69 words
The positioning system of claim 17 wherein the third area of the magnetic platen is located intermediate the first and second areas and wherein the first portions of each of the magnetic areas are defined by a plurality of parallel ridges of magnetic material and wherein the ridges of magnetic material in the first and second areas are perpendicular to the ridges of magnetic material in the third area.
Claim 23
Dependent Claim
97 words
The positioning system of claim 17 wherein the magnetic platen includes a fourth separate area having first and second magnetic portions corresponding in construction and in disposition in the second coordinate direction to the first and second magnetic portions in the third area and wherein the head includes fourth electromagnetic means disposed adjacent to the first and second magnetic portions in the fourth area on the platen and constructed to provide a magnetic force between the head and the fourth area to provide a displacement of the head relative to the platen in the second coordinate direction.
Claim 24
Dependent Claim
47 words
The positioning system of claim 19 wherein the magnetic platen includes an open work area intermediate the first and second areas and intermediate the third and fourth separate areas and wherein the head extends across the open work area to the first, second, third and fourth areas.
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) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |