Patent US4054080A successfully refreshed from Google Patents.
US4054080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank equipped with large-calibre firearm
Assignee: Saab Bofors AB
•
Filing: 1975-09-26
•
Granted: 1977-10-18
•
Expires: 1995-09-26
Abstract
Abstract An improved mounting apparatus for high-calibre guns, for use on mobile platforms such as tanks includes a support for the gun which permits the elevation trunnions to be moved vertically from a lowered, small silhouette position to a raised position which permits optimum movement in train and elevation.
Inventors
- 👤 Karl Ulf Rossel
- 👤 Sven-Hakan Svensson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:52
CPC Classifications
F; F41; F41A; F41A23/00; F41A23/20
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
123 words
A tank equipped with a large-calibre gun, said tank havng a chassis, comprising: hydraulic cylinder means mounted in said chassis for vertical expansion relative thereto; means for supporting said gun for elevation about a horizontal axis, said supporting means being attached to said hydraulic cylinder means for movement in response to expansion thereof; first support cylinder means surrounding said hydraulic cylinder means and depending from said supporting means; second support cylinder means surrounding said first support cylinder means, said second cylinder means being adapted to permit said first support cylinder means to rotate therewithin; means for rotating said first support cylinder means within said second support cylinder means; and means for preventing rotation of said second support cylinder while permitting vertical movement thereof.
Claim 2
Dependent Claim
123 words
A tank equipped with a large-calibre gun, said tank havng a chassis, comprising: hydraulic cylinder means mounted in said chassis for vertical expansion relative thereto; means for supporting said gun for elevation about a horizontal axis, said supporting means being attached to said hydraulic cylinder means for movement in response to expansion thereof; first support cylinder means surrounding said hydraulic cylinder means and depending from said supporting means; second support cylinder means surrounding said first support cylinder means, said second cylinder means being adapted to permit said first support cylinder means to rotate therewithin; means for rotating said first support cylinder means within said second support cylinder means; and means for preventing rotation of said second support cylinder while permitting vertical movement thereof.
Claim 3
Dependent Claim
18 words
A tank according to claim 1, further comprising bearings arranged between said first and second support cylinder means.
Claim 4
Dependent Claim
33 words
A tank according to claim 1, wherein said hydraulic cylinder means is fastened to said chassis by a rotatable support, whereby said hydraulic cylinder means may rotate with said first support cylinder means.
Claim 5
Dependent Claim
18 words
A tank according to claim 1, wherein said rotating means is attached to said second support cylinder means.
Claim 6
Dependent Claim
22 words
A tank according to claim 1, wherein said preventing means comprises cooperating vertical guides between said second support cylinder and said chassis.
Claim 7
Dependent Claim
22 words
A tank according to claim 3, wherein said preventing means comprises cooperating vertical guides between said second support cylinder and said chassis.
Claim 8
Dependent Claim
22 words
A tank according to claim 4, wherein said preventing means comprises cooperating vertical guides between said second support cylinder and said chassis.
References Cited (Backward Citations)
US46516A
Cited
US1120247A
Cited
US1170577A
Cited
US1481469A
Cited
DE736555C
Cited
DE1428747A1
Cited
US3401598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-10-17 | 1981-04-18 | 1981-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-17 | 1985-04-18 | 1985-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-17 | 1989-04-18 | 1989-10-18 | $7700.00 | Window Closed / Lapsed |