Patent US3750345A successfully refreshed from Google Patents.
US3750345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Acme Precision Products Inc
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Filing: 1972-03-06
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Granted: 1973-08-07
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Expires: 1992-03-06
Abstract
Abstract A machine tool organization or assembly where a workpiece is mounted for lineal and rotational movement in relationship to a machine tool which is separately mounted for lineal movement relative to the workpiece. The movement of the workpiece is regulated by a cam while the movement of the machine tool is regulated by a template. The movements of both are coordinated to effect the formation of the workpiece shape to a high accuracy.
Inventors
- 👤 D Kolesar
- 👤 C Stahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:56
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/102; B23Q35/103; B23Q35/18; B23Q35/181; B23Q35/183; B23Q35/185; B24; B24B; B24B19/00; B24B19/08; B24B19/09; B24B19/095; Y; Y10; Y10S; Y10S451/00; Y10S451/919; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/304424
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
198 words
A machine tool organization comprising means for mounting a workpiece for rotational movement of said mounted workpiece, a cam and follower mechanism driven by the power drive means for conjoint movement of the workpiece in a lineal direction during its rotational movement to follow a selected two dimensional contour of workpiece movement, means for regulating the conjoint movement of the workpiece to eliminate the R-Theta error in forming an irregular shape, means for separately mounting a rotatable machine tool for lineal movement along the axis of the lineal movement of the workpiece, means for rotating the machine tool, a template attached to the workpiece mounting means in a plane parallel to the plane of movement of the mounted workpiece and accurately formed to the desired finished contour of the workpiece, the guiding edge of the template being inclined with respect to the perpendicular of the workpiece common plane, and means including a frusto-conical follower engaging the guiding edge of the template to position the working surface of the rotatable machine tool so as to compensate for changes in tool geometry and to maintain the axis of the follower and the tool coaxial for accurate formation of the workpiece.
Claim 2
Dependent Claim
198 words
A machine tool organization comprising means for mounting a workpiece for rotational movement of said mounted workpiece, a cam and follower mechanism driven by the power drive means for conjoint movement of the workpiece in a lineal direction during its rotational movement to follow a selected two dimensional contour of workpiece movement, means for regulating the conjoint movement of the workpiece to eliminate the R-Theta error in forming an irregular shape, means for separately mounting a rotatable machine tool for lineal movement along the axis of the lineal movement of the workpiece, means for rotating the machine tool, a template attached to the workpiece mounting means in a plane parallel to the plane of movement of the mounted workpiece and accurately formed to the desired finished contour of the workpiece, the guiding edge of the template being inclined with respect to the perpendicular of the workpiece common plane, and means including a frusto-conical follower engaging the guiding edge of the template to position the working surface of the rotatable machine tool so as to compensate for changes in tool geometry and to maintain the axis of the follower and the tool coaxial for accurate formation of the workpiece.
Claim 3
Dependent Claim
38 words
A machine tool organization according to claim 1, wherein a fixed base is formed with horizontally disposed parallel guideways in its upper surface, and the workpiece mounting means includes a slide positioned for lineal movement in the guideways.
Claim 4
Dependent Claim
21 words
A machine tool organization according to claim 2 wherein the workpiece is affixed to a rotational table supported in the slide.
Claim 5
Dependent Claim
43 words
A machine tool organization according to claim 3 wherein the power drive means includes a shaft disposed for rotation about an axis parallel to and spaced below the guideways of the slide, the shaft being positioned by bearings attached to the fixed base.
Claim 6
Dependent Claim
36 words
A machine tool organization according to claim 4 wherein a pinion is mounted for rotational movement on an end portion of the shaft and for axial movement on a splined bearing attached to the workpiece slide.
Claim 7
Dependent Claim
38 words
A machine tool organization according to claim 5 wherein the pinion engages a gear attached to the workpiece table for rotational movement of the table and the workpiece attached thereon in response to the rotation of the shaft.
Claim 8
Dependent Claim
39 words
A machine tool organization according to claim 4 wherein the cam is attached to the shaft in fixed relationship to the base, and the cam follower mechanism is attached to the slide for responsive lineal movement of the slide.
Claim 9
Dependent Claim
29 words
A machine tool organization according to claim 1 wherein the conJoint movement of the workpiece is regulated in accordance with a continuous indication of the position of the cam.
Claim 10
Dependent Claim
38 words
A machine tool organization according to claim 1 wherein the machine tool is a grinding wheel, and means coordinate the frusto-conical follower to engage the guiding edge of the template in exact radius relationship with the grinding wheel.
Claim 11
Dependent Claim
40 words
A machine tool organization according to claim 9 wherein the coordinating means include a wheel dresser positioned by a stepping motor, and a coordinating stepping motor positioning the frusto-conical follower vertically with respect to the guiding edge of the template.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |