Patent US3945098A successfully refreshed from Google Patents.
US3945098A
Expired / Lapsed
US
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Pulse impact tool for finishing internal surfaces of revolution in blanks
Assignee: Individual
•
Filing: 1975-04-18
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Granted: 1976-03-23
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Expires: 1995-04-18
Abstract
Abstract A tool for finishing the internal surfaces of revolution in blanks including a casing having a groove on its side surface for accommodating bodies of revolution which are moved by a fluid pressure. A fluid is fed in through channels in the tool casing, the channels putting the groove in communication with the source of fluid under pressure. The groove is surrounded by a cage accommodating working elements which are installed with a provision for contacting the bodies of revolution and colliding with them in the operating tool. During this collision the working elements produce plastic deformation of the machined surface with a force which is somewhat smaller than in the known tools used for the same purpose.
Inventors
- 👤 Petr Ivanovich Yascheritsyn
- 👤 Jury Khonanovich Golant
- 👤 Vadim Nikolaevich Leushkin
- 👤 Gennady Mikhailovich Mironov
- 👤 Anatoly Petrovich Minakov
- 👤 Viktor Vladimirovich Bogachev
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:25
CPC Classifications
B; B24; B24B; B24B39/00; B24B39/02; B24B39/026; Y; Y10; Y10T; Y10T29/00; Y10T29/47
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
196 words
A pulse-impact tool for finishing internal surfaces of revolution in blanks, installed with a provision for linear motion along the geometrical axis of the machined surface comprising: a casing in the form of a body of revolution; at least one circular groove made on the external side surface of the casing; bodies of revolution installed in the groove with a provision for moving along the groove and rotating around their own geometrical axis; the casing provided with a central axial hole; at least one channel leading from the hole in the casing, arranged in a plane transverse to the base of the groove, directed practically tangentially to the base of the groove and used to deliver fluid under pressure to the bodies of revolution which move along the groove and are rotated by the fluid around their own axes; a cage arranged concentrically with and around the groove; working elements accommodated in the cage with a provision for contacting the bodies of revolution and colliding with the bodies of revolution during tool operation; the working elements having geometrical axes which lie in one and the same plane with the geometrical axes of the bodies of revolution.
Claim 2
Dependent Claim
196 words
A pulse-impact tool for finishing internal surfaces of revolution in blanks, installed with a provision for linear motion along the geometrical axis of the machined surface comprising: a casing in the form of a body of revolution; at least one circular groove made on the external side surface of the casing; bodies of revolution installed in the groove with a provision for moving along the groove and rotating around their own geometrical axis; the casing provided with a central axial hole; at least one channel leading from the hole in the casing, arranged in a plane transverse to the base of the groove, directed practically tangentially to the base of the groove and used to deliver fluid under pressure to the bodies of revolution which move along the groove and are rotated by the fluid around their own axes; a cage arranged concentrically with and around the groove; working elements accommodated in the cage with a provision for contacting the bodies of revolution and colliding with the bodies of revolution during tool operation; the working elements having geometrical axes which lie in one and the same plane with the geometrical axes of the bodies of revolution.
Claim 3
Dependent Claim
72 words
The tool according to claim 1 wherein the casing consists of a sleeve and two discs mounted on the sleeve; the faces of the discs directed towards each other form the side surfaces of the groove and the cage, at least one of the discs being installed on the sleeve with a provision for moving along the axis of the sleeve to allow adjusting the width of the groove and the cage.
Claim 4
Dependent Claim
18 words
The tool according to claim 1 wherein the cage has sockets for accommodating each of the working elements.
Claim 5
Dependent Claim
52 words
The tool according to claim 3 wherein each of the working elements has the form of a cylinder whose ends are rounded to a sphere, the radiuses of the corresponding ends being selected to suit the radius of the body of revolution and the required surface finish of the blank after machining.
References Cited (Backward Citations)
US1749982A
Cited
US1917925A
Cited
US3517533A
Cited
US3444714A
Cited
US3610008A
Cited
US3696483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-03-23 | 1979-09-22 | 1980-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-23 | 1983-09-22 | 1984-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-23 | 1987-09-22 | 1988-03-23 | $7700.00 | Window Closed / Lapsed |