Patent US3774313A successfully refreshed from Google Patents.
US3774313A
Expired / Lapsed
US
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Apparatus for checking gear teeth and their anomalies
Assignee: Samputensili SpA
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Filing: 1971-07-01
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Granted: 1973-11-27
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Expires: 1991-07-01
Abstract
Abstract Apparatus for checking gear teeth and their anomalities, which comprises a specimen gear including at least three toothed wheels. A gear which is to be checked and in mesh with the wheels. The wheels are placed one on top of the other, and are free to rotate together or individually, in order to check anomalies present in the gear to be checked.
Inventors
- 👤 C Occhialini
- 👤 C Tattini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:08
CPC Classifications
G; G01; G01M; G01M13/00; G01M13/02; G01M13/021
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
104 words
An apparatus for checking gear teeth and their anomalies, comprising a specimen gear including at least three toothed wheels, a gear to be checked in mesh with said wheels, said wheels being placed one on top of the other, and free to rotate, means mounting each of said toothed wheels permitting each of said toothed wheels to undergo radial displacement relative to the other of said toothed wheels along an imaginary line between the centers of said each of said toothed wheels and said gear to be tested, and separate detector means for each of said toothed wheels for detecting said radial displacement thereof.
Claim 2
Independent Claim
104 words
An apparatus for checking gear teeth and their anomalies, comprising a specimen gear including at least three toothed wheels, a gear to be checked in mesh with said wheels, said wheels being placed one on top of the other, and free to rotate, means mounting each of said toothed wheels permitting each of said toothed wheels to undergo radial displacement relative to the other of said toothed wheels along an imaginary line between the centers of said each of said toothed wheels and said gear to be tested, and separate detector means for each of said toothed wheels for detecting said radial displacement thereof.
Claim 3
Dependent Claim
59 words
The apparatus, as set forth in claim 1, wherein a central wheel of said toothed wheels includes a central mounting means for radial movements thereof, a support carriage integral with said central mounting means and including a detector instrument mounted thereon, so that said support carriage transfers said radial movements of said central mounting means to said detector instrument.
Claim 4
Dependent Claim
104 words
The apparatus, as set forth in claim 1, wherein a top and bottom of said toothed wheels include top and bottom mounting means for an independent radial movement, and said top and bottom Mounting means each include a rectangular part in each of said wheels, and a centering bushing on which a corresponding of said toothed wheel is mounted without radial play, said rectangular part is complementarily disposed slidably in said centering bushing relative thereto, a plunger means and a compression spring cooperating together and with said centering bushing and said rectangular part biasing said corresponding toothed wheel against said gear to be tested.
Claim 5
Dependent Claim
35 words
The apparatus as set forth in claim 2, wherein said top and bottom wheels have a collar each, and said detector instruments are fitted to each of said collars of said top and bottom wheels.
Claim 6
Independent Claim
107 words
An apparatus for checking gear teeth and their anomalies comprises a specimen gear including at least three toothed wheels, a gear to be checked in mesh with said wheels, said wheels being placed one on top of the other, and free to rotate together or individually, in order to check anomalies present in the gear to be checked, a central wheel of said toothed wheels defines a hole, bottom and top wheels of said toothed wheels define holes therein, and a pin passes fittingly without play through said hole of said central toothed wheel, and with play through said holes of said top and bottom toothed wheels.
Claim 7
Independent Claim
107 words
An apparatus for checking gear teeth and their anomalies comprises a specimen gear including at least three toothed wheels, a gear to be checked in mesh with said wheels, said wheels being placed one on top of the other, and free to rotate together or individually, in order to check anomalies present in the gear to be checked, a central wheel of said toothed wheels defines a hole, bottom and top wheels of said toothed wheels define holes therein, and a pin passes fittingly without play through said hole of said central toothed wheel, and with play through said holes of said top and bottom toothed wheels.
Claim 8
Dependent Claim
20 words
The apparatus, as set forth in claim 5, further comprising motor means connected to said pin for orbiting said pin.
References Cited (Backward Citations)
US2815581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-26 | 1977-05-28 | 1977-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-26 | 1981-05-28 | 1981-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-26 | 1985-05-28 | 1985-11-27 | $7700.00 | Window Closed / Lapsed |