Patent US3166205A successfully refreshed from Google Patents.
US3166205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Excavating and load handling apparatus
Assignee: Individual
•
Filing: 1963-08-02
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Granted: 1965-01-19
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Expires: 1983-08-02
Abstract
No abstract record available.
Inventors
- 👤 William D Symmank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:46
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/42; E02F3/425; E02F3/30; E02F3/308
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
AN EXCAVATING APPARATUS COMPRISING THE COMBINATION OF: SUPPORT MEANS; A BOOM STRUCTURE PIVOTALLY MOUNTED UPON SAID SUPPORT MEANS FOR ROTATION ABOUT A FIRST HORIZONTAL AXIS; FIRST POWER MEANS OPERATIVELY ATTACHED TO SAID BOOM STRUCTURE TO SWING SAID BOOM STRUCTURE ABOUT SAID FIRST HORIZONTAL AXIS; A DIPPER STICK STRUCTURE PIVOTALLY MOUNTED UPON SAID BOOM STRUCTURE FOR MOTION ABOUT A SECOND HORIZONTAL AXIS; SECOND POWER MEANS OPERATIVELY ATTACHED TO SAID DIPPER STICK STRUCTURE TO SWING SAID DIPPER STICK STRUCTURE ABOUT SAID SECOND HORIZONTAL AXIS; A TOOL STRUCTURE PIVOTALLY MOUNTED UPON SAID DIPPER STICK STRUCTURE FOR MOTION ABOUT A THIRD HORIZONTAL AXIS; A LINKAGE HAVING TWO ENDS, ONE OF SAID ENDS OF SAID LINKAGE BEING PIVOTALLY CONNECTED TO SAID TOOL STRUCTURE AT A POINT SPACED FROM SAID THIRD HORIZONTAL AXIS, FIRST PIVOTAL ATTACHING MEANS FOR PIVOTALLY ATTACHING THE OTHER OF SAID ENDS OF SAID LINKAGE TO SAID DIPPER STICK STRUCTURE, AND SECOND PIVOTAL ATTACHING MEANS FOR ALTERNATIVELY PIVOTALLY ATTACHING SAID OTHER OF SAID ENDS OF SAID LINKAGE TO SAID BOOM STRUCTURE AT A POINT SPACED FROM SAID SECOND HORIZONTAL AXIS, WHEREBY, BY SAID ALTERNATIVE ATTACHING MEANS THERE IS MADE AVAILABLE TWO ALTERNATIVE PATTERNS OF TOOL STRUCTURE MOTION WHEN SAID DIPPER STICK STRUCTURE IS SWUNG ABOUT SAID SECOND HORIZONTAL AXIS.
Claim 2
Dependent Claim
206 words
AN EXCAVATING APPARATUS COMPRISING THE COMBINATION OF: SUPPORT MEANS; A BOOM STRUCTURE PIVOTALLY MOUNTED UPON SAID SUPPORT MEANS FOR ROTATION ABOUT A FIRST HORIZONTAL AXIS; FIRST POWER MEANS OPERATIVELY ATTACHED TO SAID BOOM STRUCTURE TO SWING SAID BOOM STRUCTURE ABOUT SAID FIRST HORIZONTAL AXIS; A DIPPER STICK STRUCTURE PIVOTALLY MOUNTED UPON SAID BOOM STRUCTURE FOR MOTION ABOUT A SECOND HORIZONTAL AXIS; SECOND POWER MEANS OPERATIVELY ATTACHED TO SAID DIPPER STICK STRUCTURE TO SWING SAID DIPPER STICK STRUCTURE ABOUT SAID SECOND HORIZONTAL AXIS; A TOOL STRUCTURE PIVOTALLY MOUNTED UPON SAID DIPPER STICK STRUCTURE FOR MOTION ABOUT A THIRD HORIZONTAL AXIS; A LINKAGE HAVING TWO ENDS, ONE OF SAID ENDS OF SAID LINKAGE BEING PIVOTALLY CONNECTED TO SAID TOOL STRUCTURE AT A POINT SPACED FROM SAID THIRD HORIZONTAL AXIS, FIRST PIVOTAL ATTACHING MEANS FOR PIVOTALLY ATTACHING THE OTHER OF SAID ENDS OF SAID LINKAGE TO SAID DIPPER STICK STRUCTURE, AND SECOND PIVOTAL ATTACHING MEANS FOR ALTERNATIVELY PIVOTALLY ATTACHING SAID OTHER OF SAID ENDS OF SAID LINKAGE TO SAID BOOM STRUCTURE AT A POINT SPACED FROM SAID SECOND HORIZONTAL AXIS, WHEREBY, BY SAID ALTERNATIVE ATTACHING MEANS THERE IS MADE AVAILABLE TWO ALTERNATIVE PATTERNS OF TOOL STRUCTURE MOTION WHEN SAID DIPPER STICK STRUCTURE IS SWUNG ABOUT SAID SECOND HORIZONTAL AXIS.
References Cited (Backward Citations)
US2813645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |