US4014026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power operated antenna assembly
Assignee: Westinghouse Electric Corp
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Filing: 1975-11-25
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Granted: 1977-03-22
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Expires: 1995-11-25
Abstract
Abstract A power operated radar antenna assembly for airborne use in which an antenna carried on one end of a pair of rockable arms is balanced by a pair of motors at the opposite end of such arms; unified operation of which motors effects the rocking of the arms for elevation scanning movement of the antenna.
Inventors
- 👤 Douglas K. Comstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:43
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/02; H01Q3/04; H01Q3/06; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
74 words
An antenna assembly comprising, shaft means defining a horizontal axis, arm means mounted on said shaft means for rocking movement vertically about said horizontal axis, said arm means extending fore and aft of such axis, an antenna mounted on the forward end of said arm means, motor means mounted on the rearward end of said arm means, and drive means coupling said motor means to said shaft means for effecting the aforesaid rocking movement.
Claim 2
Dependent Claim
74 words
An antenna assembly comprising, shaft means defining a horizontal axis, arm means mounted on said shaft means for rocking movement vertically about said horizontal axis, said arm means extending fore and aft of such axis, an antenna mounted on the forward end of said arm means, motor means mounted on the rearward end of said arm means, and drive means coupling said motor means to said shaft means for effecting the aforesaid rocking movement.
Claim 3
Dependent Claim
44 words
The antenna assembly of claim 1, wherein said arm means is in form of a pair of arms spaced apart horizontally on said shaft means, and said antenna is a flat plate array radar antenna extending perpendicularly of the forward end of said arms.
Claim 4
Dependent Claim
41 words
The antenna assembly of claim 1, wherein said drive means is in the form of pulleys affiliated with said motor means and with said shaft means, respectively, and flexible tape means anchored at opposite ends to said pulleys and extending therebetween.
References Cited (Backward Citations)
US2556026A
Cited
US2643335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-03-21 | 1980-09-20 | 1981-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-21 | 1984-09-20 | 1985-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-21 | 1988-09-20 | 1989-03-22 | $7700.00 | Window Closed / Lapsed |