Patent US4132150A successfully refreshed from Google Patents.
US4132150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blast actuated detent
Assignee: United States Department of the Army
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Filing: 1977-08-08
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Granted: 1979-01-02
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Expires: 1997-08-08
Abstract
Abstract A detent device that is applicable to rocket launch systems where the rocs must be positively retained on the launcher prior to the time of launch. The device engages a detent groove in the rocket and restrains the rocket from any forward motion until launch at which time a cam lifts the detent out of the groove thereby releasing the rocket.
Inventors
- 👤 Donald J. Conn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:46
CPC Classifications
F; F41; F41F; F41F3/00; F41F3/04; F41F3/052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A blast actuated detent for positively restraining a rocket on a launch tube prior to launching comprising: a first restraining means disposed inside of said launch tube to restrain the rocket from rearward motion; an elongated spring detent attached to the outside of said tube, said spring detent being provided with a member extending through said launch tube to engage a detent groove on said rocket and a cam pivotally attached to said first restraining means, said cam mounted on said first restraining means and actuated by said rocket to disengage said spring detent thereby releasing said rocket for launching.
Claim 2
Dependent Claim
100 words
A blast actuated detent for positively restraining a rocket on a launch tube prior to launching comprising: a first restraining means disposed inside of said launch tube to restrain the rocket from rearward motion; an elongated spring detent attached to the outside of said tube, said spring detent being provided with a member extending through said launch tube to engage a detent groove on said rocket and a cam pivotally attached to said first restraining means, said cam mounted on said first restraining means and actuated by said rocket to disengage said spring detent thereby releasing said rocket for launching.
References Cited (Backward Citations)
US2940363A
Cited
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Cited
FR1340562A
Cited
US3296929A
Cited
US3412640A
Cited
US3513749A
Cited
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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) | 1982-01-01 | 1982-07-03 | 1983-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-01 | 1986-07-03 | 1987-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-01 | 1990-07-03 | 1991-01-02 | $7700.00 | Window Closed / Lapsed |