US3700313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coaxially adjusted optical mount
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1971-12-27
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Granted: 1972-10-24
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Expires: 1991-12-27
Abstract
Abstract First and second plates facing one another are hinged at one edge by a strip of spring metal. An adjusting screw coupled between the plates urges the plates together or apart to position an optical element, lying in the first plate, along a first axis. A third plate is hinged to the second plate along a second edge 90* to the first edge. A second adjusting screw coaxial with the first one couples the second and third plates together for positioning the optical element along a second axis 90* to the first axis.
Inventors
- 👤 Lawrence J Karr
- 👤 Norman Fried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:06
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/003; G02B7/004
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
204 words
An optical mounting assembly, comprising: a. first and second rectangular plates mounted face to face; b. a first spring hinge fastening said plates along one edge thereof; c. means forming an opening in each of said plates aligned each with the other for mounting at least one optical element therein having an optical axis extending through said openings; d. a first adjusting screw coupled to said plates at a region removed from said spring hinge to urge said plates together or apart and thereby position said optical element along an axis perpendicular to said optical axis; e. a third plate similar to said first and second plates mounted face to face with said second plate and provided with an opening aligned with the first two openings; f. a second spring hinge fastening said second and third plates along a second edge perpendicular to said one edge; and g. a second adjusting screw mounted coaxially with said first adjusting screw and coupled to said second and third plates for urging said second and third plates together or apart, said first plate moving with said second plate to thereby position said optical element along a second axis perpendicular to both said first and said optical axes.
Claim 2
Dependent Claim
204 words
An optical mounting assembly, comprising: a. first and second rectangular plates mounted face to face; b. a first spring hinge fastening said plates along one edge thereof; c. means forming an opening in each of said plates aligned each with the other for mounting at least one optical element therein having an optical axis extending through said openings; d. a first adjusting screw coupled to said plates at a region removed from said spring hinge to urge said plates together or apart and thereby position said optical element along an axis perpendicular to said optical axis; e. a third plate similar to said first and second plates mounted face to face with said second plate and provided with an opening aligned with the first two openings; f. a second spring hinge fastening said second and third plates along a second edge perpendicular to said one edge; and g. a second adjusting screw mounted coaxially with said first adjusting screw and coupled to said second and third plates for urging said second and third plates together or apart, said first plate moving with said second plate to thereby position said optical element along a second axis perpendicular to both said first and said optical axes.
Claim 3
Dependent Claim
21 words
The invention according to claim 1, wherein said adjusting screws extend normal to said plates and parallel to said optical axis.
Claim 4
Dependent Claim
23 words
The invention according to claim 1, wherein said spring hinges are formed of substantially flat metal stock bent slightly along their long axis.
Claim 5
Dependent Claim
26 words
The invention according to claim 3, wherein said bent hinges are attached to said plates in a sense to exert a bias urging said plates together.
Claim 6
Dependent Claim
25 words
The invention according to claim 3, wherein said hinges and said plates are formed of different metal closely matched in linear-thermal coefficient of expansion characteristics.
Claim 7
Dependent Claim
34 words
The invention according to claim 5, wherein said plates are formed of aluminum and said strip hinges are formed of an alloy consisting essentially of 3 percent beryllium by weight and the remainder copper.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |