US4045091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the pneumatic feeding of a quantity of cards
Assignee: Individual
•
Filing: 1976-03-16
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Granted: 1977-08-30
•
Expires: 1996-03-16
Abstract
Abstract A device for the pneumatic feeding of a quantity of cards by means of deposit chutes lined up to the individual cards which are connected one after the other to a common pneumatic feed line, which ends at the last chute, is disclosed. The device comprises of each of the deposit chutes being connected to several pneumatic feed lines and selecting means being disposed at the head of each of the deposit chutes for selecting which of the pneumatic feed lines are to be connected to the deposit chutes.
Inventors
- 👤 Wolfgang Beneke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:24
CPC Classifications
D; D01; D01G; D01G23/00; D01G23/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A device for pneumatic feeding of fiber flocks to a series of cards, each of said cards being fed by means of a deposit chute, at least two pneumatic lines having ends for feeding fiber flock selectively communicating with said deposit chutes, means disposed at the inlet of each of said deposit chutes to selectively connect or disconnect each said deposit chute to one of said pneumatic lines without interfering with flock flow through said lines to other deposit chutes whereby flock passing through any of said pneumatic lines may be simultaneously fed to one or more of said cards said means disposed at the inlet of each deposit chute consists of a flap pivotally movable to permit flock flow from one of said lines into said chute and to block flow from the other of said lines into said same chute.
Claim 2
Independent Claim
142 words
A device for pneumatic feeding of fiber flocks to a series of cards, each of said cards being fed by means of a deposit chute, at least two pneumatic lines having ends for feeding fiber flock selectively communicating with said deposit chutes, means disposed at the inlet of each of said deposit chutes to selectively connect or disconnect each said deposit chute to one of said pneumatic lines without interfering with flock flow through said lines to other deposit chutes whereby flock passing through any of said pneumatic lines may be simultaneously fed to one or more of said cards said means disposed at the inlet of each deposit chute consists of a flap pivotally movable to permit flock flow from one of said lines into said chute and to block flow from the other of said lines into said same chute.
References Cited (Backward Citations)
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Cited
US1468966A
Cited
US3077365A
Cited
US2918330A
Cited
US2989348A
Cited
US3311418A
Cited
US3414330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-08-29 | 1981-02-28 | 1981-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-29 | 1985-02-28 | 1985-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-29 | 1989-02-28 | 1989-08-30 | $7700.00 | Window Closed / Lapsed |