US3177740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indexing fixture
Assignee: Individual
•
Filing: 1963-10-28
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Granted: 1965-04-13
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 Eugene S Firestone
- 👤 Skousgaard Chris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:52
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/021; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1476
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
AN INDEXING MECHANISM COMPRISING: A STATIONARY MEMBER; A MEMBER ROTATABLE ABOUT A FIXED AXIS; A CIRCULAR GROOVE IN SAID STATIONARY MEMBER; A SERIES OF BALLS SEATED IN SAID GROOVE; A CIRCULAR GROOVE IN SAID ROTATABLE MEMBER; THE RADIUS OF SAID CIRCULAR GROOVE IN SAID STATIONARY MEMBER BEING DIFFERENT FROM THE RADIUS OF SAID CIRCULAR GROOVE IN SAID ROTATABLE MEMBER; A SERIES OF BALLS IN SAID GROOVE IN SAID ROTATABLE MEMBER, THE BALLS IN SAID STATIONARY MEMBER AND SAID ROTATABLE MEMBER FACING EACH OTHER FOR INDEXING AND POSITIONING CONTACT TO FIX SAID ROTATABLE MEMBER WITH RESPECT TO SAID STATIONARY MEMBER; A DRIVE MECHANISM FOR SAID ROTATABLE MEMBER; A CLUTCH FOR RELEASABLY ENGAGING SAID ROTATABLE MEMBER WITH SAID DRIVE MECHANISM, SAID CLUTCH MEANS BEING OPERABLE TO LIFT SAID ROTATABLE MEMBER AND ITS ASSOCIATED BALLS OUT OF CONTACT WITH SAID STATIONARY MEMBER AND ITS ASSOCIATED BALLS ON ENGAGEMENT OF SAID CLUTCH AND STOP MEANS CARRIED BY SAID ROTATABLE MEMBER FOR RELEASING SAID CLUTCH AND RETURNING SAID ROTATABLE MEMBER INTO BALL CONTACTING POSITION WITH THE BALLS ASSOCIATED WITH SAID STATIONARY MEMBER.
Claim 2
Dependent Claim
177 words
AN INDEXING MECHANISM COMPRISING: A STATIONARY MEMBER; A MEMBER ROTATABLE ABOUT A FIXED AXIS; A CIRCULAR GROOVE IN SAID STATIONARY MEMBER; A SERIES OF BALLS SEATED IN SAID GROOVE; A CIRCULAR GROOVE IN SAID ROTATABLE MEMBER; THE RADIUS OF SAID CIRCULAR GROOVE IN SAID STATIONARY MEMBER BEING DIFFERENT FROM THE RADIUS OF SAID CIRCULAR GROOVE IN SAID ROTATABLE MEMBER; A SERIES OF BALLS IN SAID GROOVE IN SAID ROTATABLE MEMBER, THE BALLS IN SAID STATIONARY MEMBER AND SAID ROTATABLE MEMBER FACING EACH OTHER FOR INDEXING AND POSITIONING CONTACT TO FIX SAID ROTATABLE MEMBER WITH RESPECT TO SAID STATIONARY MEMBER; A DRIVE MECHANISM FOR SAID ROTATABLE MEMBER; A CLUTCH FOR RELEASABLY ENGAGING SAID ROTATABLE MEMBER WITH SAID DRIVE MECHANISM, SAID CLUTCH MEANS BEING OPERABLE TO LIFT SAID ROTATABLE MEMBER AND ITS ASSOCIATED BALLS OUT OF CONTACT WITH SAID STATIONARY MEMBER AND ITS ASSOCIATED BALLS ON ENGAGEMENT OF SAID CLUTCH AND STOP MEANS CARRIED BY SAID ROTATABLE MEMBER FOR RELEASING SAID CLUTCH AND RETURNING SAID ROTATABLE MEMBER INTO BALL CONTACTING POSITION WITH THE BALLS ASSOCIATED WITH SAID STATIONARY MEMBER.
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |