US3918664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Launchable missile having a tail unit
Assignee: Rheinmetall Industrie AG
•
Filing: 1974-07-29
•
Granted: 1975-11-11
•
Expires: 1994-07-29
Abstract
Abstract The invention relates to a launchable missile having a tail unit and including at least two guidewings symmetrically disposed with respect to the longitudinal axis of the missile which are unfoldable upon launching, locked into an unfolded position by means of a torsion spring and pivoted on an axle located on the rear part of the missile, the torsion spring having a coil and two arms, one arm of the torsion spring abutting the body of the missile and the other arm abutting the guidewings.
Inventors
- 👤 Werner Grosswendt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:41
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/02; F42B10/14
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
151 words
A launchable missile having a longitudinal axis and a tail unit including at least two guidewings symmetrically disposed with respect to said longitudinal axis and unfoldable upon launching, said missile having a body and a rear part provided with a pivot axle including at least one double-armed torsion spring, said guidewings being pivotable around said pivot axle, guided into an unfolded position and locked therein by means of said torsion spring, one arm of said torsion spring abutting said body of said missile, the other arm of said torsion spring abutting said guidewings, comprising a torsion-spring axle mounted on said missile and spaced from said pivot axle, and wherein said torsion spring is formed with a coil mounted on said torsion-spring axle and each of said guidewings has a guidewing edge formed with a recess, said other arm having a bent end locked in said recess when said guidewings are unfolded.
Claim 2
Dependent Claim
151 words
A launchable missile having a longitudinal axis and a tail unit including at least two guidewings symmetrically disposed with respect to said longitudinal axis and unfoldable upon launching, said missile having a body and a rear part provided with a pivot axle including at least one double-armed torsion spring, said guidewings being pivotable around said pivot axle, guided into an unfolded position and locked therein by means of said torsion spring, one arm of said torsion spring abutting said body of said missile, the other arm of said torsion spring abutting said guidewings, comprising a torsion-spring axle mounted on said missile and spaced from said pivot axle, and wherein said torsion spring is formed with a coil mounted on said torsion-spring axle and each of said guidewings has a guidewing edge formed with a recess, said other arm having a bent end locked in said recess when said guidewings are unfolded.
Claim 3
Dependent Claim
64 words
A missile as defined in claim 1 further comprising two parallel crosspieces extending from said rear part and formed with a groove, and wherein said pivot axle is a bolt and said arms of said torsion spring are disposed beyond said cross-pieces, said coil being wound around said torsion-spring axle, and wherein said one arm has a doubly bent end resting in said groove.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-10 | 1979-05-12 | 1979-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-10 | 1983-05-12 | 1983-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-10 | 1987-05-12 | 1987-11-11 | $7700.00 | Window Closed / Lapsed |