Patent US3826047A successfully refreshed from Google Patents.
US3826047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for mounting and orienting a workpiece
Assignee: RCA Corp
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Filing: 1972-02-28
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Granted: 1974-07-30
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Expires: 1992-02-28
Abstract
Abstract A grinding machine provides for the automatic aligning of the mean axis of an irregular surface of revolution on a workpiece to a machine axis and for indexing the aligned workpiece to a plurality of work-stations including first and second indexing tables for grinding planar surfaces and surfaces of revolution on the workpiece with respect to the mean axis.
Inventors
- 👤 W Binder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:47
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/06; B24B41/061; B23; B23Q; B23Q3/00; B23Q3/18; B23Q39/00; B23Q39/04; B23Q39/042; B24B27/00; B24B27/0023; B24B41/005; Y; Y10; Y10T; Y10T82/00; Y10T82/27
Claims Analysis
Total Claims: 43
Claim 1
Independent Claim
118 words
A work mounting device including an apparatus for orienting the mean axis of an irregular inner surface of revolution of a hollow workpiece to an apparatus axis comprising: a plurality of support members rigidly secured to said apparatus to define a workpiece support plane normal to said apparatus axis, said workpiece inner surface abutting at least one of said members when said workpiece is at said plane, means for initially orienting the workpiece so that said mean axis intersects said apparatus axis and said workpiece is spaced from said plane, and displacement means for tilting said workpiece so that said mean axis is substantially coincident with said apparatus axis and simultaneously axially displacing said workpiece to said plane.
Claim 2
Dependent Claim
118 words
A work mounting device including an apparatus for orienting the mean axis of an irregular inner surface of revolution of a hollow workpiece to an apparatus axis comprising: a plurality of support members rigidly secured to said apparatus to define a workpiece support plane normal to said apparatus axis, said workpiece inner surface abutting at least one of said members when said workpiece is at said plane, means for initially orienting the workpiece so that said mean axis intersects said apparatus axis and said workpiece is spaced from said plane, and displacement means for tilting said workpiece so that said mean axis is substantially coincident with said apparatus axis and simultaneously axially displacing said workpiece to said plane.
Claim 3
Dependent Claim
45 words
The device of claim 1 wherein said workpiece has an annular surface whose axis substantially coincides with said mean axis, said orienting means including annular gripping means whose axis coincides with said apparatus axis, said gripping means gripping said annular surface to orient said workpiece.
Claim 4
Dependent Claim
22 words
The device of claim 2 wherein said gripping means is a mandrel whose gripping surfaces are spaced from said rigid support members.
Claim 5
Dependent Claim
49 words
The device of claim 1 wherein said workpiece has a planar surface disposed at an angle to said mean axis, said tilting and displacing means including a planar reference pressure plate disposed normal to said apparatus axis and arranged to translate along said apparatus axis against said planar surface.
Claim 6
Dependent Claim
33 words
The device of claim 4 wherein said orienting means includeS a mandrel and said tilting and displacing means includes a resiliently mounted mandrel operating cam and means for resiliently mounting said pressure plate.
Claim 7
Dependent Claim
29 words
The device of claim 4 further including means for mounting said apparatus to rotate about said apparatus axis, said tilting and displacing means including means for rotating said apparatus.
Claim 8
Dependent Claim
34 words
The device of claim 1 wherein said displacement means includes three support members resiliently secured to said apparatus for resiliently supporting said workpiece when said mean axis is oriented to intersect said apparatus axis.
Claim 9
Dependent Claim
22 words
The device of claim 7 wherein said resilient members define a plane parallel to and spaced from said rigid support member plane.
Claim 10
Dependent Claim
16 words
The device of claim 1 further including means for rotating said apparatus about said apparatus axis.
Claim 11
Dependent Claim
128 words
The combination comprising: a rotatably mounted workpiece support body for supporting a hollow workpiece whose inner surface is an irregular surface of revolution, gripping means secured to said body for gripping the workpiece so as to orient the mean axis of said inner surface to intersect the axis of rotation of said body, a plurality of spaced support members rigidly secured to said body and arranged to define a workpiece support plane, said workpiece initially being spaced from said plane, and displacement means coupled to said body for tilting said workpiece so that said mean axis substantially coincides with said axis of rotation and simultaneously axially displacing said workpiece to said plane until at least one of said rigid members abuts said inner surface at said support plane.
Claim 12
Dependent Claim
128 words
The combination comprising: a rotatably mounted workpiece support body for supporting a hollow workpiece whose inner surface is an irregular surface of revolution, gripping means secured to said body for gripping the workpiece so as to orient the mean axis of said inner surface to intersect the axis of rotation of said body, a plurality of spaced support members rigidly secured to said body and arranged to define a workpiece support plane, said workpiece initially being spaced from said plane, and displacement means coupled to said body for tilting said workpiece so that said mean axis substantially coincides with said axis of rotation and simultaneously axially displacing said workpiece to said plane until at least one of said rigid members abuts said inner surface at said support plane.
Claim 13
Dependent Claim
36 words
The combination of claim 10 wherein said displacement means includes a plurality of support members resiliently mounted and arranged to resiliently support said workpiece when said mean axis is oriented to intersect said axis of rotation.
Claim 14
Dependent Claim
22 words
The combination of claim 11 wherein said resilient and rigidly mounted support members are mounted in the same imaginary surface of revolution.
Claim 15
Dependent Claim
32 words
The combination of claim 12 where the imaginary surface of revolution is conical and said resiliently mounted members reciprocate only in a direction toward the apex of said conical surface of revolution.
Claim 16
Dependent Claim
19 words
The combination of claim 13 wherein said irregular inner surface is substantially normal to said imaginary surface of revolution.
Claim 17
Dependent Claim
32 words
The combination of claim 10 wherein said gripping means is an expanding mandrel arranged to grip an annular inner surface of said workpiece and whose center substantially coincides with said mean axis.
Claim 18
Dependent Claim
32 words
The combination of claim 15 wherein said mandrel includes a plurality of pivotally mounted gripping fingers arranged in diametrically opposing pairs, each finger being capable of pivoting independently of the remaining fingers.
Claim 19
Dependent Claim
23 words
The combination of claim 16 wherein said tilting and displacing means includes a mandrel expanding cam and a workpiece tilting and displacing ram.
Claim 20
Dependent Claim
15 words
The combination of claim 17 wherein said cam and ram are independently and resiliently mounted.
Claim 21
Independent Claim
78 words
A method of orienting the mean axis of an irregular inner surface of a hollow workpiece to a given axis, comprising the steps of: orienting the workpiece so that said mean axis intersects said apparatus axis, and simultaneously tilting said workpiece so that said mean axis is substantially coincident with said given axis and axially displacing said workpiece to a plane normal to said given axis and defined by rigid support members positioned to abut said inner surface.
Claim 22
Independent Claim
78 words
A method of orienting the mean axis of an irregular inner surface of a hollow workpiece to a given axis, comprising the steps of: orienting the workpiece so that said mean axis intersects said apparatus axis, and simultaneously tilting said workpiece so that said mean axis is substantially coincident with said given axis and axially displacing said workpiece to a plane normal to said given axis and defined by rigid support members positioned to abut said inner surface.
Claim 23
Dependent Claim
37 words
The method of claim 19 wherein said tilting step includes the step of pushing against a surface of the workpiece that is disposed at an angle to said mean axis in a direction along said given axis.
Claim 24
Dependent Claim
29 words
The method of claim 19 wherein said orienting step includes the steps of resiliently supporting said workpiece and centering a portion of the inner surface about said given axis.
Claim 25
Dependent Claim
180 words
The combinAtion comprising: a rotatably mounted workpiece support body for supporting a hollow workpiece whose inner surface is an irregular surface of revolution, gripping means secured to said body for gripping the workpiece so as to orient the mean axis of said inner surface to intersect the axis of rotation of said body, a plurality of spaced support members rigidly secured to said body and arrangd to define a workpiece support plane, a plurality of support members resiliently mounted and arranged to resiliently support said workpiece when said mean axis is oriented to intersect said axis of rotation, said resilient and rigidly mounted support members being mounted in the same imaginary conical surface of revolution, said resiliently mounted members reciprocating in a direction only toward the apex of said conical surface of revolution, and means coupled to said body for tilting said workpiece so that said mean axis substantially coincides with said axis of rotation and simultaneously axially displacing said workpiece to said plane until at least one of said rigid members abuts said inner surface at said support plane.
Claim 26
Dependent Claim
180 words
The combinAtion comprising: a rotatably mounted workpiece support body for supporting a hollow workpiece whose inner surface is an irregular surface of revolution, gripping means secured to said body for gripping the workpiece so as to orient the mean axis of said inner surface to intersect the axis of rotation of said body, a plurality of spaced support members rigidly secured to said body and arrangd to define a workpiece support plane, a plurality of support members resiliently mounted and arranged to resiliently support said workpiece when said mean axis is oriented to intersect said axis of rotation, said resilient and rigidly mounted support members being mounted in the same imaginary conical surface of revolution, said resiliently mounted members reciprocating in a direction only toward the apex of said conical surface of revolution, and means coupled to said body for tilting said workpiece so that said mean axis substantially coincides with said axis of rotation and simultaneously axially displacing said workpiece to said plane until at least one of said rigid members abuts said inner surface at said support plane.
Claim 27
Dependent Claim
19 words
The combination of claim 22 wherein said irregular inner surface is substantially normal to said imaginary surface of revolution.
Claim 28
Dependent Claim
129 words
The combination comprising: a rotatably mounted workpiece support body for supporting a hollow workpiece whose inner surface is an irregular surface of revolution, an expanding mandrel arranged to grip an annular inner surface of said workpiece and whose center substantially coincides with the workpiece inner surface mean axis to thereby orient said mean axis to intersect the axis of rotation of said body, a plurality of spaced support members rigidly secured to said body and arranged to define a workpiece support plane, and means coupled to said body for tilting said workpiece so that said mean axis substantially coincides with said axis of rotation and simultaneously axially displacing said workpiece to said plane until at least one of said rigid members abuts said inner surface at said support plane.
Claim 29
Dependent Claim
129 words
The combination comprising: a rotatably mounted workpiece support body for supporting a hollow workpiece whose inner surface is an irregular surface of revolution, an expanding mandrel arranged to grip an annular inner surface of said workpiece and whose center substantially coincides with the workpiece inner surface mean axis to thereby orient said mean axis to intersect the axis of rotation of said body, a plurality of spaced support members rigidly secured to said body and arranged to define a workpiece support plane, and means coupled to said body for tilting said workpiece so that said mean axis substantially coincides with said axis of rotation and simultaneously axially displacing said workpiece to said plane until at least one of said rigid members abuts said inner surface at said support plane.
Claim 30
Dependent Claim
32 words
The combination of claim 24 wherein said mandrel includes a plurality of pivotally mounted gripping fingers arranged in diametrically opposing pairs, each finger being capable of pivoting independently of the remaining fingers.
Claim 31
Dependent Claim
23 words
The combination of claim 24 wherein said tilting and displacing means includes a mandrel expanding cam and a workpiece tilting and displacing ram.
Claim 32
Dependent Claim
15 words
The combination of claim 26 wherein said cam and ram are independently and resiliently mounted.
Claim 33
Dependent Claim
181 words
The combination comprising: a workpiece support body for supporting a hollow workpiece whose inner surface is an irregular surface of revolution, gripping means secured to said body for gripping the workpiece so as to orient the mean axis of said inner surface to intersect the axis of rotation of said body, a plurality of spaced support members rigidly secured to said body and arranged to define a workpiece support plane, said workpiece being initially spaced from said plane, a plurality of support members resiliently mounted and arranged to resiliently support said workpiece when said mean axis is oriented to intersect said axis of rotation, said resilient and rigidly mounted support members being mounted in the same imaginary surface of revolution, said resiliently mounted members resiliently reciprocating in a direction along said surface of revolution, and means coupled to said body for tilting said workpiece so that said mean axis substantially coincides with said axis of rotation and simultaneously axially displacing said workpiece to said plane until at least one of said rigid members abuts said inner surface at said support plane.
Claim 34
Dependent Claim
181 words
The combination comprising: a workpiece support body for supporting a hollow workpiece whose inner surface is an irregular surface of revolution, gripping means secured to said body for gripping the workpiece so as to orient the mean axis of said inner surface to intersect the axis of rotation of said body, a plurality of spaced support members rigidly secured to said body and arranged to define a workpiece support plane, said workpiece being initially spaced from said plane, a plurality of support members resiliently mounted and arranged to resiliently support said workpiece when said mean axis is oriented to intersect said axis of rotation, said resilient and rigidly mounted support members being mounted in the same imaginary surface of revolution, said resiliently mounted members resiliently reciprocating in a direction along said surface of revolution, and means coupled to said body for tilting said workpiece so that said mean axis substantially coincides with said axis of rotation and simultaneously axially displacing said workpiece to said plane until at least one of said rigid members abuts said inner surface at said support plane.
Claim 35
Dependent Claim
117 words
In combination: a workpiece support body for supporting a hollow workpiece, a plurality of workpiece support members rigidly secured to said body for defining a rigid workpiece support plane, grIpping means secured to said body for aligning a portion of said workpiece to a given axis, a plurality of workpiece support members resiliently secured to said body for defining a resilient workpiece support plane disposed intermediate said rigid workpiece support plane and said gripping means, said resiliently secured members initially supporting said workpiece in a position spaced from said rigid workpiece support plane, and workpiece displacement means coupled to said body and arranged to displace said workpiece along said given axis to said rigid workpiece support plane.
Claim 36
Dependent Claim
117 words
In combination: a workpiece support body for supporting a hollow workpiece, a plurality of workpiece support members rigidly secured to said body for defining a rigid workpiece support plane, grIpping means secured to said body for aligning a portion of said workpiece to a given axis, a plurality of workpiece support members resiliently secured to said body for defining a resilient workpiece support plane disposed intermediate said rigid workpiece support plane and said gripping means, said resiliently secured members initially supporting said workpiece in a position spaced from said rigid workpiece support plane, and workpiece displacement means coupled to said body and arranged to displace said workpiece along said given axis to said rigid workpiece support plane.
Claim 37
Dependent Claim
18 words
The combination of claim 29 wherein said rigidly secured members are rounded at said rigid workpiece support plane.
Claim 38
Dependent Claim
18 words
The combination of claim 29 wherein said resiliently secured members are rounded at said resilient workpiece support plane.
Claim 39
Dependent Claim
20 words
The combination of claim 31 wherein said resiliently secured members are arranged to reciprocate in an imaginary surface of revolution.
Claim 40
Dependent Claim
29 words
The combination of claim 32 wherein said resiliently secured members reciprocate in a direction substantially normal to the surface of the workpiece contiguous therewith in said initial supporting position.
Claim 41
Dependent Claim
23 words
The combination of claim 29 wherein said gripping means includes a mandrel and said displacement means includes a resiliently mounted mandrel operating cam.
Claim 42
Dependent Claim
188 words
A work mounting device including an apparatus for orineting the means axis of an irregular inner surface of revolution of a hollow workpiece to an apparatus axis, said workpiece having a planar surface disposed at an angle to said mean axis, said apparatus comprising: a plurality of rigid support members secured to said apparatus to define a workpiece support plane normal to said apparatus axis, said workpiece inner surface abutting at least one of said members when said workpiece is at said plane, means for initially orienting the workpiece so that said mean axis intersects said apparatus axis and said workpiece is spaced from said plane, said orienting means including a mandrel, and tilting and displacing means for tilting said workpiece so that said mean axis is substantially coincident with said apparatus axis and simultaneously axially displacing said workpiece to said plane, said tilting and displacing means including a planar reference pressure plate disposed normal to said apparatus axis and arranged to translate along said apparatus axis against said planar surface, and further including a resiliently mounted mandrel operating cam and means for resiliently mounting said pressure plate.
Claim 43
Dependent Claim
188 words
A work mounting device including an apparatus for orineting the means axis of an irregular inner surface of revolution of a hollow workpiece to an apparatus axis, said workpiece having a planar surface disposed at an angle to said mean axis, said apparatus comprising: a plurality of rigid support members secured to said apparatus to define a workpiece support plane normal to said apparatus axis, said workpiece inner surface abutting at least one of said members when said workpiece is at said plane, means for initially orienting the workpiece so that said mean axis intersects said apparatus axis and said workpiece is spaced from said plane, said orienting means including a mandrel, and tilting and displacing means for tilting said workpiece so that said mean axis is substantially coincident with said apparatus axis and simultaneously axially displacing said workpiece to said plane, said tilting and displacing means including a planar reference pressure plate disposed normal to said apparatus axis and arranged to translate along said apparatus axis against said planar surface, and further including a resiliently mounted mandrel operating cam and means for resiliently mounting said pressure plate.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-29 | 1978-01-28 | 1978-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-29 | 1982-01-28 | 1982-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-29 | 1986-01-28 | 1986-07-30 | $7700.00 | Window Closed / Lapsed |