Patent US3837639A successfully refreshed from Google Patents.
US3837639A
Expired / Lapsed
US
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Free jet record separator
Assignee: Unisys Corp
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Filing: 1973-06-22
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Granted: 1974-09-24
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Expires: 1993-06-22
Abstract
Abstract The invention discloses a fluffing arrangement to provide separation between the records contained in a cartridge in order to facilitate random removal of an individual record. A free jet of low pressure directly impinges on the deck to maintain separation between the records.
Inventors
- 👤 E Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:22
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/0843
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
102 words
A card fluffing arrangement comprising, a. a plurality of flat record members arranged in a side by side suspended relationship in a non-enclosed area, b. a pneumatic free jet including a nozzle means which is located between 1-2 1/2 nozzle diameters from said records and facing in the direction of said record edges such that the widest dimension of the nozzle opening is positioned across the edges of said plurality of flat record members c. said nozzle means of the free jet providing a constant separation force between said respective records so that a selected record member may readily fall by gravity.
Claim 2
Dependent Claim
102 words
A card fluffing arrangement comprising, a. a plurality of flat record members arranged in a side by side suspended relationship in a non-enclosed area, b. a pneumatic free jet including a nozzle means which is located between 1-2 1/2 nozzle diameters from said records and facing in the direction of said record edges such that the widest dimension of the nozzle opening is positioned across the edges of said plurality of flat record members c. said nozzle means of the free jet providing a constant separation force between said respective records so that a selected record member may readily fall by gravity.
Claim 3
Dependent Claim
22 words
A card fluffing arrangement in accordance with claim 1 wherein said record members are flexible on the order of 5 mil thick.
Claim 4
Dependent Claim
20 words
A card fluffing arrangement in accordance wwth claim 2 wherein said flexible record members are made of oxide covered Mylar.
Claim 5
Dependent Claim
18 words
A card fluffing arrangement in accordance with claim 1 wherein said free jet is powered by a blower.
Claim 6
Dependent Claim
17 words
A card fluffing arrangement in accordance with claim 4 wherein said blower operates at about 0.25 psi..
Claim 7
Dependent Claim
27 words
A card fluffing arrangement in accordance with claim 1 wherein the length of said free jet extends a short distance beyond the end records of said members.
Claim 8
Independent Claim
70 words
The method of fluffing a deck of non-enclosed and suspended documents comprising the steps of, a. providing a pneumatic jet having a nozzle which is oriented across the edges of said documents; b. orienting the jet nozzle with respect to said edges in order to supply at least 80% of its power to the deck; c. the nozzle of said jet providing a constant separating force to said suspended documents.
Claim 9
Independent Claim
70 words
The method of fluffing a deck of non-enclosed and suspended documents comprising the steps of, a. providing a pneumatic jet having a nozzle which is oriented across the edges of said documents; b. orienting the jet nozzle with respect to said edges in order to supply at least 80% of its power to the deck; c. the nozzle of said jet providing a constant separating force to said suspended documents.
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) | 1977-09-23 | 1978-03-25 | 1978-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-23 | 1982-03-25 | 1982-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-23 | 1986-03-25 | 1986-09-24 | $7700.00 | Window Closed / Lapsed |