Patent US3222851A successfully refreshed from Google Patents.
US3222851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic picker head elevation control
Assignee: Individual
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Filing: 1963-02-01
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Granted: 1965-12-14
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Expires: 1983-02-01
Abstract
No abstract record available.
Inventors
- 👤 Harold L Schnaidt
- 👤 Harold L Honn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:18
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/08; Y; Y10; Y10S; Y10S56/00; Y10S56/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
IN A COTTON PICKING MACHINE HAVING A VERTICALLY MOVABLE PICKER HEAD AND AUXILIARY POWER MEANS FOR RAISING SAID PICKER HEAD, AN AUTOMATIC PICKER HEAD ELEVATION CONTROL WHICH INCLUDES: A CONTROL MEANS FOR CONTROLLING SAID AUXILIARY POWER MEANS TO SELECTIVELY MOVE SAID PICKER HEAD IN UP OR DOWN DIRECTION; ELECTRICAL OPERATING MEANS, INCLUDING ELECTRICAL POWER SOURCE MEANS, FOR SELECTIVELY OPERATING SAID CONTROL MEANS; GROUND FOLLOWER MEANS PIVOTALLY MOUNTED ON SAID PICKER HEAD; SPRING MEANS URGING SAID FOLLOWER MEANS INTO CONTACT WITH THE GROUND SURFACE; A SWITCH CONTACTOR MOVABLE WITH SAID FOLLOWER MEANS OVER A CONTACTOR PATH CORRESPONDING TO THE RANGE OF ELEVATIONS AT WHICH SAID PICKER HEAD IS TO BE OPERATED; A PLURALITY OF CONTACT TERMINALS DISPOSED ALONG SAID CONTACTOR PATH, SAID CONTACT TERMINALS CORRESPONDING TO INTERMEDIATE ELEVATIONS OF SAID PICKER HEAD; A SWITCHING CIRCUIT FOR SELECTIVELY CONNECTING SAID ELECTRICAL OPERATING MEANS TO ITS POWER SOURCE THROUGH SAID SWITCH CONTACTOR AND SAID CONTACT TERMINAL; AND A PLURALITY OF ELEVATION SELECTION SWITCHES IN SAID SWITCHING CIRCUIT FOR SELECTING WHICH OF SAID CONTACT TERMINALS SHALL BE CONNECTED FOR UP AND DOWN OPERATION, RESPECTIVELY, OF SAID ELECTRICAL OPERATING MEANS.
Claim 2
Dependent Claim
185 words
IN A COTTON PICKING MACHINE HAVING A VERTICALLY MOVABLE PICKER HEAD AND AUXILIARY POWER MEANS FOR RAISING SAID PICKER HEAD, AN AUTOMATIC PICKER HEAD ELEVATION CONTROL WHICH INCLUDES: A CONTROL MEANS FOR CONTROLLING SAID AUXILIARY POWER MEANS TO SELECTIVELY MOVE SAID PICKER HEAD IN UP OR DOWN DIRECTION; ELECTRICAL OPERATING MEANS, INCLUDING ELECTRICAL POWER SOURCE MEANS, FOR SELECTIVELY OPERATING SAID CONTROL MEANS; GROUND FOLLOWER MEANS PIVOTALLY MOUNTED ON SAID PICKER HEAD; SPRING MEANS URGING SAID FOLLOWER MEANS INTO CONTACT WITH THE GROUND SURFACE; A SWITCH CONTACTOR MOVABLE WITH SAID FOLLOWER MEANS OVER A CONTACTOR PATH CORRESPONDING TO THE RANGE OF ELEVATIONS AT WHICH SAID PICKER HEAD IS TO BE OPERATED; A PLURALITY OF CONTACT TERMINALS DISPOSED ALONG SAID CONTACTOR PATH, SAID CONTACT TERMINALS CORRESPONDING TO INTERMEDIATE ELEVATIONS OF SAID PICKER HEAD; A SWITCHING CIRCUIT FOR SELECTIVELY CONNECTING SAID ELECTRICAL OPERATING MEANS TO ITS POWER SOURCE THROUGH SAID SWITCH CONTACTOR AND SAID CONTACT TERMINAL; AND A PLURALITY OF ELEVATION SELECTION SWITCHES IN SAID SWITCHING CIRCUIT FOR SELECTING WHICH OF SAID CONTACT TERMINALS SHALL BE CONNECTED FOR UP AND DOWN OPERATION, RESPECTIVELY, OF SAID ELECTRICAL OPERATING MEANS.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |