Patent US3952956A successfully refreshed from Google Patents.
US3952956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bin aerator
Assignee: Dynamic Air Inc
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Filing: 1975-03-31
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Granted: 1976-04-27
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Expires: 1995-03-31
Abstract
Abstract A bin aerator for dislodging materials from the walls of a bin with the aerator comprising a deformable vibrating rubber housing having a circular discharge region for discharging air parallel to the walls of the bin.
Inventors
- 👤 James R. Steele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:18
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/54; B65D88/64; B65D88/70; B65D88/706; B08; B08B; B08B5/00; B08B5/02
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
181 words
A bin aerator for dislodging material stuck to a bin wall comprising: a first member for projecting through an opening in a bin wall and having means for fastening said bin aerator to said bin wall; and a fastening member for attachment to said first member; a pliable body member for mounting inside a bin, said pliable body member having a surface for the discharge of air, a second member having a surface for the discharge of air and said pliable body member and said second member having a central opening therein for receiving said first member and said fastening member; said surface on said pliable body member and said surface on said second member located in pressure contact by the coaction of said fastening member and said first member; means for suppying air to the surface on said pliable body member and the surface on said second member to thereby cause said pliable member to flex and bend as air is discharged over said surface on said pliable body member to thereby dislodge any material lodged on said bin wall.
Claim 2
Dependent Claim
181 words
A bin aerator for dislodging material stuck to a bin wall comprising: a first member for projecting through an opening in a bin wall and having means for fastening said bin aerator to said bin wall; and a fastening member for attachment to said first member; a pliable body member for mounting inside a bin, said pliable body member having a surface for the discharge of air, a second member having a surface for the discharge of air and said pliable body member and said second member having a central opening therein for receiving said first member and said fastening member; said surface on said pliable body member and said surface on said second member located in pressure contact by the coaction of said fastening member and said first member; means for suppying air to the surface on said pliable body member and the surface on said second member to thereby cause said pliable member to flex and bend as air is discharged over said surface on said pliable body member to thereby dislodge any material lodged on said bin wall.
Claim 3
Dependent Claim
52 words
The invention of claim 1 wherein said surface on said pliable body member and said surface on said second member are located so that when said bin aerator is mounted on a bin wall at least a portion of said surface of said pliable body member is parallel to said bin wall.
Claim 4
Dependent Claim
14 words
The invention of claim 1 wherein said pliable body member is frusto-conical in shape.
Claim 5
Dependent Claim
30 words
The invention of claim 1 wherein said pliable body member comprises an elastomer having a hardness in the range of 70 to 90 as measured on the Shore A Scale.
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) | 1979-04-27 | 1979-10-27 | 1980-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-27 | 1983-10-27 | 1984-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-27 | 1987-10-27 | 1988-04-27 | $7700.00 | Window Closed / Lapsed |