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US4530279A
Expired / Lapsed
US
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Breakaway mechanism for a twine wrapping apparatus
Assignee: Blue Leaf IP Inc
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Filing: 1984-09-25
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Granted: 1985-07-23
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Expires: 2004-09-25
Abstract
Abstract A breakaway mechanism for a twine wrapping apparatus on a roll baling machine couples a twine dispensing member to a pinion which is in intermeshing engagement with a gear rack. The pinion and the gear rack cooperate to effect pivoting movement of the twine dispensing member. The breakaway mechanism permits the twine dispensing member to be uncoupled from the pinion when a predetermined load is exerted on the twine dispensing member during its pivoting movement.
Inventors
- 👤 James D. Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:15
CPC Classifications
A; A01; A01F; A01F15/00; A01F15/08; A01F15/14; A01F15/141
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
68 words
In a roll baling machine having a twine dispensing member, a pinion and a gear rack in intermeshing engagement for effecting pivoting movement of said twine dispensing member, the improvement comprising: mechanism coupling said twine dispensing member to said pinion while permitting said twine dispensing member to be uncoupled from said pinion when a predetermined load is exerted on said twine dispensing member during said pivoting movement thereof.
Claim 2
Dependent Claim
68 words
In a roll baling machine having a twine dispensing member, a pinion and a gear rack in intermeshing engagement for effecting pivoting movement of said twine dispensing member, the improvement comprising: mechanism coupling said twine dispensing member to said pinion while permitting said twine dispensing member to be uncoupled from said pinion when a predetermined load is exerted on said twine dispensing member during said pivoting movement thereof.
Claim 3
Dependent Claim
30 words
The improvement of claim 1, said mechanism comprising a plate secured to said twine dispensing member, said plate having projections formed thereon for engagement in grooves formed in said pinion.
Claim 4
Dependent Claim
18 words
The improvement of claim 2, said mechanism further comprising a spring for urging said projections into said grooves.
Claim 5
Dependent Claim
32 words
The improvement of claim 3, which said predetermined load is sufficient to overcome said spring and thereby cause said projections on said plate to be disengaged from said grooves in said pinion.
Claim 6
Dependent Claim
68 words
In a roll baling machine, the combination comprising: a twine dispensing member; a pinion and a gear rack in intermeshing engagement for effecting pivoting movement of said twine dispensing member; and mechanism coupling said twine dispensing member to said pinion while permitting said twine dispensing member to be uncoupled from said pinion when a predetermined load is exerted on said twine dispensing member during said pivoting movement thereof.
Claim 7
Dependent Claim
68 words
In a roll baling machine, the combination comprising: a twine dispensing member; a pinion and a gear rack in intermeshing engagement for effecting pivoting movement of said twine dispensing member; and mechanism coupling said twine dispensing member to said pinion while permitting said twine dispensing member to be uncoupled from said pinion when a predetermined load is exerted on said twine dispensing member during said pivoting movement thereof.
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) | 1988-07-22 | 1989-01-21 | 1989-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-22 | 1993-01-21 | 1993-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-22 | 1997-01-21 | 1997-07-23 | $7700.00 | Window Closed / Lapsed |