US3184085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescoping hoe boom
Assignee: INSLEY Manufacturing CORP
•
Filing: 1962-08-13
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Granted: 1965-05-18
•
Expires: 1982-08-13
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Randall
- 👤 Henry J Vos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:38
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/32; E02F3/306; E02F3/36; E02F3/42; E02F3/425; E02F3/427
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
IN A MATERIAL-HANDLING MACHINE INCLUDING A BODY PORTION, A BUCKET ARM PIVOTALLY MOUNTED RELATIVE TO THE BODY PORTION, A SHOVEL BUCKET, MEANS PIVOTALLY MOUNTING THE BUCKET TO THE BUCKET ARM AND MEANS FOR PIVOTING THE BUCKET ABOUT ITS PIVOTAL MOUNTING COMPRISING A LINEARLY EXTENSIBLE PRIME MOVER HAVING ONE END PIVOTALLY CARRIED BY THE BUCKET ARM, A FIRST ARM MEMBER PIVOTALLY CONNECTED AT ONE END TO THE BUCKET AT A POINT SPACED FROM THE PIVOTAL MOUNTING OF THE BUCKET TO THE BUCKET ARM, A SECOND ARM MEMBER, MEANS PIVOTALLY MOUNTING ONE END OF SAID SECOND ARM MEMBER TO THE BUCKET ARM AT A POINT SPACED FROM THE PIVOTAL MOUNTING OF THE BUCKET TO THE BUCKET ARM, MEANS PIVOTALLY INTERCONNECTING THE OTHER ENDS OF SAID FIRST AND SECOND ARM MEMBERS AND HE OTHER END OF SAID PRIME MOVER, AND STOP MEMBERS CARRIED BY THE BUCKET ARM AND ENGAGEABLE BY SAID SECOND ARM MEMBER WHEN THE BUCKET IS IN THE DIGGING POSITION WHEREBY SUCH ENGAGEMENT RELIEVES DIGGING FORCES FROM SAID PRIME MOVER.
Claim 2
Dependent Claim
169 words
IN A MATERIAL-HANDLING MACHINE INCLUDING A BODY PORTION, A BUCKET ARM PIVOTALLY MOUNTED RELATIVE TO THE BODY PORTION, A SHOVEL BUCKET, MEANS PIVOTALLY MOUNTING THE BUCKET TO THE BUCKET ARM AND MEANS FOR PIVOTING THE BUCKET ABOUT ITS PIVOTAL MOUNTING COMPRISING A LINEARLY EXTENSIBLE PRIME MOVER HAVING ONE END PIVOTALLY CARRIED BY THE BUCKET ARM, A FIRST ARM MEMBER PIVOTALLY CONNECTED AT ONE END TO THE BUCKET AT A POINT SPACED FROM THE PIVOTAL MOUNTING OF THE BUCKET TO THE BUCKET ARM, A SECOND ARM MEMBER, MEANS PIVOTALLY MOUNTING ONE END OF SAID SECOND ARM MEMBER TO THE BUCKET ARM AT A POINT SPACED FROM THE PIVOTAL MOUNTING OF THE BUCKET TO THE BUCKET ARM, MEANS PIVOTALLY INTERCONNECTING THE OTHER ENDS OF SAID FIRST AND SECOND ARM MEMBERS AND HE OTHER END OF SAID PRIME MOVER, AND STOP MEMBERS CARRIED BY THE BUCKET ARM AND ENGAGEABLE BY SAID SECOND ARM MEMBER WHEN THE BUCKET IS IN THE DIGGING POSITION WHEREBY SUCH ENGAGEMENT RELIEVES DIGGING FORCES FROM SAID PRIME MOVER.
References Cited (Backward Citations)
US2603374A
Cited
US2685973A
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US1628725A
Cited
US1611195A
Cited
US2784555A
Cited
US2984372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |