Patent US5033706A successfully refreshed from Google Patents.
US5033706A
Expired / Lapsed
US
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Rigging frame
Assignee: Bagfilla Overseas Ltd
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Filing: 1990-05-21
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Granted: 1991-07-23
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Expires: 2010-05-21
Abstract
Abstract There is disclosed a rigging frame (10) having legs (15) whose lengths are adjustable to suit the frame for different sizes of "big bag" to avoid need for adjustment of the support means of a discharging machine.
Inventors
- 👤 Barrie A. Poulton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:18
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; B; B65; B65D; B65D90/00; B65D90/12; B65D90/20; B65D90/205; A61Q; A61Q3/00; A61Q3/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
145 words
For use with apparatus for locating a lower spout of a flexible intermediate carrier at a selected position over a discharge machine having fixed support surfaces, a rigging device comprising: a) a rigid frame, b) hook means on the frame for attachment to an end of the carrier remote from its spout, c) means on the frame for engagement by a lifting device for lifting the carrier, d) vertically adjustable legs on the frame extendable downwardly to predetermined positions, and e) locking means for fixing the legs to the frame in said predetermined positions before the carrier is lifted to a position over the discharge machine, f) whereby when the carrier is lifted over the discharge machine by the lifting device the locked frame legs will stand on the fixed support surfaces of the discharge machine with the carrier spout at the correct selected position.
Claim 2
Dependent Claim
145 words
For use with apparatus for locating a lower spout of a flexible intermediate carrier at a selected position over a discharge machine having fixed support surfaces, a rigging device comprising: a) a rigid frame, b) hook means on the frame for attachment to an end of the carrier remote from its spout, c) means on the frame for engagement by a lifting device for lifting the carrier, d) vertically adjustable legs on the frame extendable downwardly to predetermined positions, and e) locking means for fixing the legs to the frame in said predetermined positions before the carrier is lifted to a position over the discharge machine, f) whereby when the carrier is lifted over the discharge machine by the lifting device the locked frame legs will stand on the fixed support surfaces of the discharge machine with the carrier spout at the correct selected position.
Claim 3
Dependent Claim
37 words
A rigging device according to claim 1 wherein the legs are rods slidable in sockets on the frame and the locking means are pins disposable in bores in the frame aligned with selected bores in the legs.
References Cited (Backward Citations)
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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) | 1994-07-22 | 1995-01-21 | 1995-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-07-22 | 1999-01-21 | 1999-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-07-22 | 2003-01-21 | 2003-07-23 | $7700.00 | Window Closed / Lapsed |