Patent US4332261A successfully refreshed from Google Patents.
US4332261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic hydraulic neutralizing mechanism
Assignee: Blue Leaf IP Inc
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Filing: 1980-09-24
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Granted: 1982-06-01
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Expires: 2000-09-24
Abstract
Abstract A combine has an unloading tube containing an auger, which tube is moveable between a retracted position and an unloading position. Movement is controlled by the operator from the operator's platform by a hydraulic system. The system includes an actuator cooperating with a valve to control a hydraulic cylinder. The cylinder is interconnected to the tube causing movement thereto.
Inventors
- 👤 E. Graham Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:43
CPC Classifications
A; A01; A01D; A01D41/00; A01D41/12; A01D41/1208; A01D41/1217
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
In a harvesting and threshing machine for harvesting crop material from the field, said machine having an operator station, the improvement comprising: a movable control arm in the operator's station; a plate movably connected to the machine, said arm fixedly connected to said plate; a fluid directional control valve connected to the machine; a first member interconnecting said plate and said valve; an auger tube including an unloading auger, said auger tube being movably connected to said machine via a stationary auger ring; a tab pivotally connected to said ring; a second member interconnecting said plate and said tab; a first stop connected to said auger tube; a second stop connected to said auger tube; and means for moving said auger tube and said stops into contact with said tab, said means being a fluid powered cylinder interconnected between said valve and said auger tube.
Claim 2
Dependent Claim
145 words
In a harvesting and threshing machine for harvesting crop material from the field, said machine having an operator station, the improvement comprising: a movable control arm in the operator's station; a plate movably connected to the machine, said arm fixedly connected to said plate; a fluid directional control valve connected to the machine; a first member interconnecting said plate and said valve; an auger tube including an unloading auger, said auger tube being movably connected to said machine via a stationary auger ring; a tab pivotally connected to said ring; a second member interconnecting said plate and said tab; a first stop connected to said auger tube; a second stop connected to said auger tube; and means for moving said auger tube and said stops into contact with said tab, said means being a fluid powered cylinder interconnected between said valve and said auger tube.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-05-31 | 1985-11-30 | 1986-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-05-31 | 1989-11-30 | 1990-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-05-31 | 1993-11-30 | 1994-06-01 | $7700.00 | Window Closed / Lapsed |