Patent US6221005B1 successfully refreshed from Google Patents.
US4091693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Helical surface-shaped machine part and method for manufacturing the same
Assignee: Individual
•
Filing: 1976-06-25
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Granted: 1978-05-30
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Expires: 1996-06-25
Abstract
Abstract A helical surface-shaped machine part or component having a radially extended flank profile or section. At least two components wound in the same direction are joined together by means of their contacting coils in such a manner that their cross-sections augment one another to form the complete flank profile or section.
Inventors
- 👤 Immanuel Straub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:29
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/22; B; B65; B65G; B65G33/00; B65G33/24; B65G33/26; B65G33/265; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
104 words
A method of manufacturing a machine part unsupported by a core and having a flank section extended in radial direction, comprising the steps of: winding and thereby cold working a first metallic component formed of one piece in a substantially helical-configuration through a first diameter into a plurality of coils, winding and thereby cold working a second metallic component formed of one piece through a diameter approximately corresponding to the diameter of the jacket surface of the first wound component and with the same pitch and into a plurality of coils, and introducing the first wound metallic component into the second wound metallic component.
Claim 2
Independent Claim
104 words
A method of manufacturing a machine part unsupported by a core and having a flank section extended in radial direction, comprising the steps of: winding and thereby cold working a first metallic component formed of one piece in a substantially helical-configuration through a first diameter into a plurality of coils, winding and thereby cold working a second metallic component formed of one piece through a diameter approximately corresponding to the diameter of the jacket surface of the first wound component and with the same pitch and into a plurality of coils, and introducing the first wound metallic component into the second wound metallic component.
Claim 3
Dependent Claim
28 words
The method as defined in claim 1, including the step of carrying out a helical-like movement in order to introduce both of the helical-shape components into one another.
Claim 4
Dependent Claim
21 words
The method as defined in claim 1, including the step of fastening to one another the components introduced into one another.
Claim 5
Dependent Claim
20 words
The method as defined in claim 3, including the steps of shrink fitting the second component upon the first component.
Claim 6
Dependent Claim
19 words
The method as defined in claim 1, including the step of winding the second component upon the first component.
Claim 7
Dependent Claim
32 words
The method as defined in claim 1, including the step of using as one of the components a component having a cross-section which becomes wider with increasing spacing from the winding axis.
Claim 8
Independent Claim
113 words
A method of manufacturing a machine part having a flank section extended in radial direction, comprising the steps of: winding a first component in a substantially helical-configuration through a first diameter, winding a second component through a diameter approximately corresponding to the diameter of the jacket surface of the first wound component and with the same pitch, subjecting the first component after the winding thereof to thermal treatment and thereafter introducing such first component into the second component to form a component assembly, then subjecting said component assembly to a further thermal treatment in order to shrink the second component onto the first component in order to fasten the components to one another.
Claim 9
Independent Claim
113 words
A method of manufacturing a machine part having a flank section extended in radial direction, comprising the steps of: winding a first component in a substantially helical-configuration through a first diameter, winding a second component through a diameter approximately corresponding to the diameter of the jacket surface of the first wound component and with the same pitch, subjecting the first component after the winding thereof to thermal treatment and thereafter introducing such first component into the second component to form a component assembly, then subjecting said component assembly to a further thermal treatment in order to shrink the second component onto the first component in order to fasten the components to one another.
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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) | 1981-05-29 | 1981-11-28 | 1982-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-29 | 1985-11-28 | 1986-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-29 | 1989-11-28 | 1990-05-30 | $7700.00 | Window Closed / Lapsed |