Patent US3767024A successfully refreshed from Google Patents.
US3767024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fanfold card guide device with gravity held discharge chute
Assignee: Federal Bureau of Investigation
•
Filing: 1971-10-08
•
Granted: 1973-10-23
•
Expires: 1991-10-08
Abstract
Abstract An apparatus and method are disclosed for maintaining an orderly automatic feed of fanfolded continuous - supply index cards and self-contained carbon copies from a respository into a typewriter, propelled by platen rotation of the typewriter. The device also provides a means of orderly and automatic discharge of the typed cards from the typewriter, delivering them to a location clear of the machine for further processing.
Inventors
- 👤 R Banwarth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:35
CPC Classifications
B; B41; B41J; B41J15/00; B41J15/04; B41J15/08
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
158 words
A guiding device for feeding a continuous stack of fanfolded index cards to and from a platen of a printing means comprising: a. a body member having a repository containing a supply of said continuous stack of fanfolded index cards, b. a platen charging guide means attached to said body member by means of a continuous hinge for controlling the angle required to feed the cards to the platen, c. a removable integral discharge chute for guiding said cards away from the platen and depositing said cards clear of the printing means, said chute affixed to said body member solely by means of gravity, the height of said chute in relation to said body member being adjustable by vertical sliding supports on said body member and the angle of said chute in relation to said body member being controlled by two adjustable blocks each having a rounded top surface upon which an inner corner of said chute sits.
Claim 2
Dependent Claim
158 words
A guiding device for feeding a continuous stack of fanfolded index cards to and from a platen of a printing means comprising: a. a body member having a repository containing a supply of said continuous stack of fanfolded index cards, b. a platen charging guide means attached to said body member by means of a continuous hinge for controlling the angle required to feed the cards to the platen, c. a removable integral discharge chute for guiding said cards away from the platen and depositing said cards clear of the printing means, said chute affixed to said body member solely by means of gravity, the height of said chute in relation to said body member being adjustable by vertical sliding supports on said body member and the angle of said chute in relation to said body member being controlled by two adjustable blocks each having a rounded top surface upon which an inner corner of said chute sits.
Claim 3
Dependent Claim
41 words
The device of claim 1 also comprising a cylindrical card-lifter slide means positioned over said repository by a pair of slide supports wherein said cards are fed over said slide means prior to being fed to the platen charging guide means.
Claim 4
Dependent Claim
41 words
The device of claim 1 wherein said discharge chute is V-shaped having one leg which is slotted and guides said cards up and away from the platen and another leg which guides said cards down and clear of said printing means.
Claim 5
Dependent Claim
28 words
The device of claim 1 wherein said platen charging guide means comprises an arched surface section having lipped edges along each side for positioning the series of cards.
Claim 6
Dependent Claim
45 words
The device of claim 1 wherein said platen charging guide means comprises two arched surface sections which can be slid along said continuous hinge relative to each other by means of a compression spring so as to be adjustable to varying widths of said cards.
Claim 7
Dependent Claim
24 words
a device as in claim 1 wherein said printing means is a typewriter having a platen which does not move in a horizontal direction.
References Cited (Backward Citations)
US1939202A
Cited
US2012524A
Cited
US1991908A
Cited
US2369441A
Cited
US2548715A
Cited
GB678316A
Cited
US2777690A
Cited
US2973081A
Cited
US3013646A
Cited
US3161276A
Cited
US3232407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-22 | 1977-04-23 | 1977-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-22 | 1981-04-23 | 1981-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-22 | 1985-04-23 | 1985-10-23 | $7700.00 | Window Closed / Lapsed |