Patent US4461971A successfully refreshed from Google Patents.
Patent US3344618A successfully refreshed from Google Patents.
US3344618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety shield
Assignee: Rockwell-Standard Corp
•
Filing: 1965-06-30
•
Granted: 1967-10-03
•
Expires: 1985-06-30
Abstract
No abstract record available.
Inventors
- 👤 John R Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:07
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/84; F16D3/841; Y; Y10; Y10S; Y10S464/00; Y10S464/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
FOR USE WITH A POWER TRANSMITTING SHAFT ASSEMBLY OF THE TYPE WHEREIN TWO SHAFT SECTIONS EXTEND FROM LONGITUDINALLY SPACED END PORTIONS INTO LONGITUDINALLY SLIDABLE NON-ROTATABLE ENGAGEMENT, A SHIELD ASSEMBLY COMPRISING ANNULAR MOUNTING MEMBERS ADAPTED TO BE FRICTIONALLY MOUNTED ON SAID END PORTIONS, AND TUBULAR MEMBERS OF DIFFERENT DIAMETER HAVING SEPARABLE SNAP-FIT DIRECT END ATTACHMENT TO THE RESPECTIVE MOUNTING MEMBERS SO AS TO EXTEND TOWARD EACH OTHER INTO TELESCOPED RELATION SURROUNDING SAID SHAFT SECTIONS, EACH SAID MOUNTING MEMBER AND THE TUBULAR MEMBER SECURED THERETO BEING ADAPTED TO NORMALLY ROTATE WITH ITS ASSOCIATED SHAFT SECTION BUT SAID FRICTIONAL MOUNTING PERMITTING UNIMPEDED ROTATION OF THE SHAFT ASSEMBLY SHOULD CONTACT BY AN OPERATOR OR THE LIKE WITH THE SHIELD ASSEMBLY TEND TO ARREST ROTATION OF SAID SHIELD ASSEMBLY.
Claim 2
Dependent Claim
124 words
FOR USE WITH A POWER TRANSMITTING SHAFT ASSEMBLY OF THE TYPE WHEREIN TWO SHAFT SECTIONS EXTEND FROM LONGITUDINALLY SPACED END PORTIONS INTO LONGITUDINALLY SLIDABLE NON-ROTATABLE ENGAGEMENT, A SHIELD ASSEMBLY COMPRISING ANNULAR MOUNTING MEMBERS ADAPTED TO BE FRICTIONALLY MOUNTED ON SAID END PORTIONS, AND TUBULAR MEMBERS OF DIFFERENT DIAMETER HAVING SEPARABLE SNAP-FIT DIRECT END ATTACHMENT TO THE RESPECTIVE MOUNTING MEMBERS SO AS TO EXTEND TOWARD EACH OTHER INTO TELESCOPED RELATION SURROUNDING SAID SHAFT SECTIONS, EACH SAID MOUNTING MEMBER AND THE TUBULAR MEMBER SECURED THERETO BEING ADAPTED TO NORMALLY ROTATE WITH ITS ASSOCIATED SHAFT SECTION BUT SAID FRICTIONAL MOUNTING PERMITTING UNIMPEDED ROTATION OF THE SHAFT ASSEMBLY SHOULD CONTACT BY AN OPERATOR OR THE LIKE WITH THE SHIELD ASSEMBLY TEND TO ARREST ROTATION OF SAID SHIELD ASSEMBLY.
References Cited (Backward Citations)
US2772550A
Cited
GB899511A
Cited
US3080731A
Cited
US3091101A
Cited
US3082642A
Cited
US3031865A
Cited
US3194615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |