Patent US3595108A successfully refreshed from Google Patents.
US3595108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for imparting a non-circular shape to an article
Assignee: WELLS BENRUS CORP
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Filing: 1969-06-16
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Granted: 1971-07-27
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Expires: 1989-06-16
Abstract
Abstract Apparatus for rotating an article relative to a cutting means, characterized by a flexible inner shaft which is rotatable within an outer shaft and connected thereto in a manner which is effective to superimpose the rotation of the outer shaft on the inner shaft. The inner shaft is flexed to a position at which its axis of rotation is eccentrically located relative to the axis of rotation of the outer shaft. Means are provided to rotate the shafts at different speed simultaneously, and the article, which is held in a chuck at the end of the inner shaft, is therefore turned at one rotative speed and eccentrically moved at a different rotative speed. Thus, when this article contacts a cutting tool, a noncircular shape is imparted thereto, the shape being varied by changing the respective speeds of the shaft and/or the degree of eccentricity of the inner shaft with respect to the outer shaft.
Inventors
- 👤 Istvan Priscsak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:28
CPC Classifications
B; B23; B23Q; B23Q27/00; B23Q27/006; Y; Y10; Y10T; Y10T82/00; Y10T82/13
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
231 words
An apparatus for rotating an article relative to a cutting means and effective to cause a noncircular shape to be imparted to said article comprising a rotatable outer shaft, an inner shaft positioned within said outer shaft and rotatable relative thereto, holding means effective to hold the article to be shaped, said holding means being operatively connected to said inner shaft at one end thereof, means effective to flex said inner shaft such that the axis of rotation of the end of said inner shaft connected to said holding means is eccentrically positioned relative to the axis of rotation of said outer shaft when said shafts are rotated, adjustable means operatively connecting said one end of said inner shaft to said outer shaft and effective to adjustably, eccentrically position said inner shaft relative to said outer shaft and to cyclically move said inner shaft end relative to the rotational axis of said outer shaft as said outer shaft rotates, and driving means operatively connected to said outer shaft and said inner shaft and effective to drive said shafts at different rotational speeds, whereby said holding means is rotated at one rotative speed and is eccentrically moved at a different rotative speed, whereupon when an article is held in said holding means and engages said cutting means while said holding means is so rotated a noncircular shape is imparted to said article.
Claim 2
Independent Claim
231 words
An apparatus for rotating an article relative to a cutting means and effective to cause a noncircular shape to be imparted to said article comprising a rotatable outer shaft, an inner shaft positioned within said outer shaft and rotatable relative thereto, holding means effective to hold the article to be shaped, said holding means being operatively connected to said inner shaft at one end thereof, means effective to flex said inner shaft such that the axis of rotation of the end of said inner shaft connected to said holding means is eccentrically positioned relative to the axis of rotation of said outer shaft when said shafts are rotated, adjustable means operatively connecting said one end of said inner shaft to said outer shaft and effective to adjustably, eccentrically position said inner shaft relative to said outer shaft and to cyclically move said inner shaft end relative to the rotational axis of said outer shaft as said outer shaft rotates, and driving means operatively connected to said outer shaft and said inner shaft and effective to drive said shafts at different rotational speeds, whereby said holding means is rotated at one rotative speed and is eccentrically moved at a different rotative speed, whereupon when an article is held in said holding means and engages said cutting means while said holding means is so rotated a noncircular shape is imparted to said article.
Claim 3
Dependent Claim
62 words
The apparatus of claim 1, in which said means to flex said inner shaft comprises a flexible joint comprising first and second parts rotatively affixed to each other and angularly movable relative to each other, said inner shaft comprising first and second sections connected to said first and second parts respectively, and to said driving means and said inner shaft end respectively.
Claim 4
Dependent Claim
81 words
The apparatus of claim 2, in which said first and second parts comprise a ball and socket, the ball being connected to one section of the inner shaft and the socket being connected to the other section of the inner shaft, said ball having a splined outer surface and said socket having a splined inner surface whereupon when said ball engages said socket, relative rotation between the ball and socket about the axis of rotation of the inner shaft is prevented.
Claim 5
Dependent Claim
67 words
In the apparatus of claim 2, a second flexible joint positioned between said first flexible joint and the end of said inner shaft to which said holding means is operatively connected, whereupon when said second flexible joint is flexed the axis of rotation of sAid end of the inner shaft is substantially parallel to the axis of rotation of said outer shaft while eccentrically positioned relative thereto.
Claim 6
Dependent Claim
80 words
The apparatus of claim 4, in which said second flexible joint comprises a ball and socket, the ball being connected to one section of the inner shaft and the socket being connnected to the other section of the inner shaft, said ball having a splined outer surface and said socket having a splined inner surface whereupon when said ball engages said socket, relative rotation between the ball and socket about the axis of rotation of the inner shaft is prevented.
Claim 7
Dependent Claim
91 words
In the apparatus of claim 1, said adjustable means comprising a bearing mounted about said inner shaft adjacent said one end, a first member operatively connnected to said bearing, a second member operatively connected to said outer shaft, and means for movably connecting said first member to said second member whereupon when said first member is moved relative to said second member said one end of said inner shaft is moved relative to said outer shaft, thereby altering the degree of eccentricity of said inner shaft relative to said outer shaft.
Claim 8
Dependent Claim
44 words
In the apparatus of claim 6, in which said means for movably connecting said first member to said second member comprises at least one slotted groove in said first member and bolting means adjustably positioned in said groove and extending into said second member.
Claim 9
Dependent Claim
49 words
The apparatus of claim 7, in which said first member is an annular ring mounted about the outer race of said bearing and said second member is a tube having one end thereof in engagement with said ring and having the other end thereof mounted on said outer shaft.
Claim 10
Dependent Claim
33 words
The apparatus of claim 6, in which said first member is connected to said second member in a dovetail joint, said first member being movable relative to said second member at said joint.
Claim 11
Dependent Claim
57 words
The apparatus of claim 9, in which said first member is a tube having a flanged end section, said flanged end section having dovetail-shaped opposite edges, and said second member is an annular ring having a groove therein, said groove being undercut to receive said dovetail edges on said flanged section, thereby to form said dovetail joint.
Claim 12
Dependent Claim
44 words
In the apparatus of claim 10, two parts adjustably connected to said ring, said parts defining said undercut groove and being adapted to receive said flanged end section in a position within said groove and to lock said flanged end section in said position.
Claim 13
Dependent Claim
91 words
In the apparatus of claim 3, said adjustable means comprising a bearing mounted about said inner shaft adjacent said one end, a first member operatively connected to said bearing, a second member operatively connected to said outer shaft, and means for movably connecting said first member to said second member whereupon when said first member is moved relative to said second member said one end of said inner shaft is moved relative to said outer shaft, thereby altering the degree of eccentricity of said inner shaft relative to said outer shaft.
Claim 14
Dependent Claim
44 words
In the apparatus of claim 12, in which said means for movably connecting said first member to said second member comprises at least one slotted groove in said first member and bolting means adjustably positioned in said groove and extending into said second member.
Claim 15
Dependent Claim
33 words
The apparatus of claim 12, in which said first member is connected to said second member in a dovetail joint, said first member being movable relative to said second member at said joint.
Claim 16
Dependent Claim
91 words
In the apparatus of claim 4, said adjustable means comprising a bearing mounted about said inner shaft adjacent said one end, a first member operatively connected to said bearing, a second member operatively connected to said outer shaft, and means for movably connecting said first member to said second member whereupon when said first member is moved relative to said second member said one end of said inner shaft is moved relative to said outer shaft, thereby altering the degree of eccenTricity of said inner shaft relative to said outer shaft.
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) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |