US3256998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency swing-reversing control for cranes and other horizontally swinging load handling apparatus
Assignee: Forrest Industries Inc
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Filing: 1965-01-18
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Granted: 1966-06-21
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Expires: 1985-01-18
Abstract
No abstract record available.
Inventors
- 👤 Milo L Laharty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:22
CPC Classifications
G; G11; G11C; G11C5/00; G11C5/02; B; B66; B66C; B66C23/00; B66C23/88; B66C23/94; E; E02; E02F; E02F9/00; E02F9/08; E02F9/10; E02F9/12; E02F9/121; E02F9/20; E02F9/2025; E02F9/2033; G11C5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN LOAD HANDLING APPARATUS HAVING A BODY PIVOTED FOR HORIZONTAL SWINGING MOVEMENT, REVERSIBLE SWING DRIVE MEANS CONNECTED TO THE BODY, AND SHIFT MEANS CONNECTED TO THE DRIVE MEANS FOR ADJUSTING THE DRIVE MEANS BETWEEN RIGHT SWING, LEFT SWING, AND NEUTRAL OPERATING CONDITIONS; AND EMERGENCY-SWING REVERSING CONTROL COMPRISING: (A) SUBSTANTIALLY HORIZONTAL CONTACT LEVER MEANS EXTENDING REARWARDLY AND OUTWARDLY A PREDETERMINED DISTANCE FROM AT LEAST ONE SIDE OF THE BODY, (B) MOUNTING MEANS MOUNTING THE CONTACT LEVER MEANS FOR MOVEMENT TOWARD AND AWAY FROM THE BODY, (C) RESILIENT MEANS ACTING ON THE CONTACT LEVER MEANS FOR MAINTAINING IT IN A POSITION NORMALLY AWAY FROM THE BODY, AND (D) LINK MEANS CONNECTING TOGETHER THE LEVER MEANS AND SHIFT MEANS FOR REVERSING THE SHIFT MEANS WHEN THE LEVER MEANS IS MOVED TOWARD THE BODY OF THE APPARATUS.
Claim 2
Dependent Claim
133 words
IN LOAD HANDLING APPARATUS HAVING A BODY PIVOTED FOR HORIZONTAL SWINGING MOVEMENT, REVERSIBLE SWING DRIVE MEANS CONNECTED TO THE BODY, AND SHIFT MEANS CONNECTED TO THE DRIVE MEANS FOR ADJUSTING THE DRIVE MEANS BETWEEN RIGHT SWING, LEFT SWING, AND NEUTRAL OPERATING CONDITIONS; AND EMERGENCY-SWING REVERSING CONTROL COMPRISING: (A) SUBSTANTIALLY HORIZONTAL CONTACT LEVER MEANS EXTENDING REARWARDLY AND OUTWARDLY A PREDETERMINED DISTANCE FROM AT LEAST ONE SIDE OF THE BODY, (B) MOUNTING MEANS MOUNTING THE CONTACT LEVER MEANS FOR MOVEMENT TOWARD AND AWAY FROM THE BODY, (C) RESILIENT MEANS ACTING ON THE CONTACT LEVER MEANS FOR MAINTAINING IT IN A POSITION NORMALLY AWAY FROM THE BODY, AND (D) LINK MEANS CONNECTING TOGETHER THE LEVER MEANS AND SHIFT MEANS FOR REVERSING THE SHIFT MEANS WHEN THE LEVER MEANS IS MOVED TOWARD THE BODY OF THE APPARATUS.
References Cited (Backward Citations)
DE1149150B
Cited
US3168729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |