Patent US3235057A successfully refreshed from Google Patents.
US3235057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor unloader
Assignee: Federal Mogul Ignition LLC
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Filing: 1963-08-15
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Granted: 1966-02-15
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Expires: 1983-08-15
Abstract
No abstract record available.
Inventors
- 👤 Robert F Rea
- 👤 Moyles Charles Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:09
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/04; B65; B65G; B65G61/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
225 words
IN AN UNLOADING DEVICE FOR TRANSFERRING OBJECTS BETWEEN PARALLEL HORIZONTAL LOADING AND UNLOADING STATIONS: A GENERALLY HORIZONTAL SHAFT POSITIONED PARALLEL TO AND BETWEEN SAID LOADING AND UNLOADING STATIONS, AN ARM ATTACHED TO SAID SHAFT AND EXTENDING GENERALLY NORMAL THERETO, MEANS FOR ROTATING SAID SHAFT 180* TO SWING SAID ARM FROM ONE HORIZONTAL POSITION ADJACENT THE LOADING STATION TO ANOTHER HORIZONTAL POSITION ADJACENT THE UNLOADING STATION, AN OBJECT HOLDING HEAD ON SAID ARM HAVING MEANS WHICH WHEN ACTUATED PULLS AND HOLDS AN OBJECT ONTO SAID HEAD AND WHICH WHEN DEACTUATED RELEASES THE OBJECT, SAID HEAD FACING GENERALLY RADIALLY OUTWARDLY OF SAID SHAFT, MEANS SENSING AN OBJECT IN SAID LOADING STATION AND ACTUATING SAID HOLDING HEAD TO ATTRACT AND HOLD THE OBJECT ONTO SAID HEAD, MEANS CAUSING SAID SHAFT TO THEREAFTER ROTATE 180* TO SWING THE OBJECT TO THE UNLOADING STATION, MEANS DEACTUATING SAID HOLDING HEAD TO DROP THE OBJECT AT THE UNLOADING STATION, MEANS CAUSING SAID FIRST MENTIONED MEANS TO SWING SAID ARM BACK TO ITS HORIZONTAL POSITION ADJACENT THE LOADING STATION, A CARRIAGE AT SAID UNLOADING STATION, SAID CARRIAGE BEING MOVABLE AWAY FROM SAID HORIZONTAL SHAFT, A RATCHET OPERATIVELY CONNECTED TO SAID CARRIAGE, A CAM ON SAID HORIZONTAL SHAFT, AND MEANS INCLUDING A CAM FOLLOWER ENGAGING SAID CAM AND A PAWL ENGAGING SAID RATCHET AND OPERABLE TO INDEX SAID CARRIAGE DURING ROTATION OF SAID SHAFT.
Claim 2
Dependent Claim
225 words
IN AN UNLOADING DEVICE FOR TRANSFERRING OBJECTS BETWEEN PARALLEL HORIZONTAL LOADING AND UNLOADING STATIONS: A GENERALLY HORIZONTAL SHAFT POSITIONED PARALLEL TO AND BETWEEN SAID LOADING AND UNLOADING STATIONS, AN ARM ATTACHED TO SAID SHAFT AND EXTENDING GENERALLY NORMAL THERETO, MEANS FOR ROTATING SAID SHAFT 180* TO SWING SAID ARM FROM ONE HORIZONTAL POSITION ADJACENT THE LOADING STATION TO ANOTHER HORIZONTAL POSITION ADJACENT THE UNLOADING STATION, AN OBJECT HOLDING HEAD ON SAID ARM HAVING MEANS WHICH WHEN ACTUATED PULLS AND HOLDS AN OBJECT ONTO SAID HEAD AND WHICH WHEN DEACTUATED RELEASES THE OBJECT, SAID HEAD FACING GENERALLY RADIALLY OUTWARDLY OF SAID SHAFT, MEANS SENSING AN OBJECT IN SAID LOADING STATION AND ACTUATING SAID HOLDING HEAD TO ATTRACT AND HOLD THE OBJECT ONTO SAID HEAD, MEANS CAUSING SAID SHAFT TO THEREAFTER ROTATE 180* TO SWING THE OBJECT TO THE UNLOADING STATION, MEANS DEACTUATING SAID HOLDING HEAD TO DROP THE OBJECT AT THE UNLOADING STATION, MEANS CAUSING SAID FIRST MENTIONED MEANS TO SWING SAID ARM BACK TO ITS HORIZONTAL POSITION ADJACENT THE LOADING STATION, A CARRIAGE AT SAID UNLOADING STATION, SAID CARRIAGE BEING MOVABLE AWAY FROM SAID HORIZONTAL SHAFT, A RATCHET OPERATIVELY CONNECTED TO SAID CARRIAGE, A CAM ON SAID HORIZONTAL SHAFT, AND MEANS INCLUDING A CAM FOLLOWER ENGAGING SAID CAM AND A PAWL ENGAGING SAID RATCHET AND OPERABLE TO INDEX SAID CARRIAGE DURING ROTATION OF SAID SHAFT.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |