US3824951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fingerprinting machine
Assignee: Individual
•
Filing: 1973-12-17
•
Granted: 1974-07-23
•
Expires: 1993-12-17
Abstract
Abstract Apparatus for taking fingerprint impressions onto a fingerprint card is disclosed which includes a platen and means for retaining a fingerprint card on the platen. Drive means are provided for engaging the platen with the surface of a finger whose fingerprint is to be impressed upon the fingerprint card and for moving the platen in a path such that the platen contacts all portions of the surface of the finger which are to be impressed upon the fingerprint card and there is no slippage between the surface of the finger and the platen.
Inventors
- 👤 D Curtis
- 👤 Vantine A Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:17
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/117; A61B5/1171; A61B5/1172
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
183 words
Apparatus for taking fingerprint impressions onto a fingerprint card or the like, comprising: a platen, means for retaining a fingerprint card on the platen, drive means for engaging the platen with the surface of a finger whose fingerprint is to be impressed upon the fingerprint card and for moving the platen in a path such that the platen contacts all portions of the surface of the finger which are to be impressed upon the fingerprint card and there is no slippage between the surface of the finger and the platen means for holding a finger in a fixed predetermined position in which the surface of the finger approximately conforms to an imaginary cylindrical surface of predetermined diameter and the drive means including means for moving the platen in an epicyclical path about the imaginary cylindrical surface, and said drive means comprising a circular member which is coaxial with and equal in diameter to the imaginary cylindrical surface and means for rolling the platen around the perimeter of the circular member with no slippage between the perimeter of the circular member and the platen.
Claim 2
Dependent Claim
183 words
Apparatus for taking fingerprint impressions onto a fingerprint card or the like, comprising: a platen, means for retaining a fingerprint card on the platen, drive means for engaging the platen with the surface of a finger whose fingerprint is to be impressed upon the fingerprint card and for moving the platen in a path such that the platen contacts all portions of the surface of the finger which are to be impressed upon the fingerprint card and there is no slippage between the surface of the finger and the platen means for holding a finger in a fixed predetermined position in which the surface of the finger approximately conforms to an imaginary cylindrical surface of predetermined diameter and the drive means including means for moving the platen in an epicyclical path about the imaginary cylindrical surface, and said drive means comprising a circular member which is coaxial with and equal in diameter to the imaginary cylindrical surface and means for rolling the platen around the perimeter of the circular member with no slippage between the perimeter of the circular member and the platen.
Claim 3
Dependent Claim
29 words
The apparatus of claim 1 in which the circular member is a toothed gear member and in which the platen includes a mating rack which engages the gear member.
Claim 4
Dependent Claim
70 words
The apparatus of claim 2 in which further comprises: a fixed support member, means for mounting the gear member on the fixed support member, a rotatable support member, means for mounting the rotatable support member on the fixed support member for rotation coaxially around the gear member, and platen support means secured to the rotatable support member for supporting the platen with its rack in engagement with the gear member.
Claim 5
Dependent Claim
52 words
The apparatus of claim 3 in which the platen support means includes first and second roller members mounted on opposed, symmetrical portions relative to the gear member which support the platen on its side beneath its rack and which, with the gear member, form a three point suspension system for the platen.
Claim 6
Dependent Claim
49 words
The apparatus of claim 4 which further includes means for rotating the rotatable support member relative to the gear member, whereby the platen support means drives the rack around the perimeter of the gear member and the platen is moved in an epicyclical path about the imaginary cylindrical surface.
Claim 7
Dependent Claim
35 words
The apparatus of claim 3 which further includes controllable means for rotating the gear member, whereby the platen can be driven to a plurality of predetermined positions relative to the means for holding the finger.
Claim 8
Dependent Claim
25 words
The apparatus of claim 3 which further includes motor means mounted on the rotatable support member for positioning a fingerprint card relative to the platen.
Claim 9
Dependent Claim
29 words
The apparatus of claim 3 which further includes means for raising and lowering the platen to bring it into and out of engagement with the surface of the finger.
Claim 10
Dependent Claim
36 words
The apparatus of claim 8 which further includes means supported from the rotatable support member for holding the finger firmly against the platen when the platen is raised into engagement with the surface of the finger.
Claim 11
Dependent Claim
28 words
The apparatus of claim 3 in which the platen includes an inking pad section for inking the finger pRior to the fingerprint being impressed on the fingerprint card.
References Cited (Backward Citations)
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Cited
GB190930013A
Cited
US2782543A
Cited
US3083682A
Cited
US3448723A
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US3694240A
Cited
US3675618A
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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) | 1977-07-22 | 1978-01-21 | 1978-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-22 | 1982-01-21 | 1982-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-22 | 1986-01-21 | 1986-07-23 | $7700.00 | Window Closed / Lapsed |