IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0875410
(2007-10-19)
|
등록번호 |
US-7829830
(2010-11-25)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
20 |
초록
▼
A slot cover actuation assembly controls access through a slot on a projectile. The slot cover actuation assembly includes a slot cover, a fastener (e.g., a screw), and an actuator (e.g., a squib device). The fastener is arranged to position the slot cover at an installation position on the projecti
A slot cover actuation assembly controls access through a slot on a projectile. The slot cover actuation assembly includes a slot cover, a fastener (e.g., a screw), and an actuator (e.g., a squib device). The fastener is arranged to position the slot cover at an installation position on the projectile. The slot cover covers the slot on the projectile when the slot cover resides at the installation position. The actuator is arranged to release the slot cover from the installation position on the projectile. The slot cover uncovers the slot on the projectile when the actuator releases the slot cover from the installation position on the projectile, thus allowing a control surface member (e.g., a fin) to deploy.
대표청구항
▼
What is claimed is: 1. A method of controlling access through a slot on a projectile, the method comprising: providing a slot cover; using a fastener to position the slot cover at an installation position on the projectile, the slot cover covering the slot on the projectile when the slot cover resi
What is claimed is: 1. A method of controlling access through a slot on a projectile, the method comprising: providing a slot cover; using a fastener to position the slot cover at an installation position on the projectile, the slot cover covering the slot on the projectile when the slot cover resides at the installation position; and using an actuator to release the slot cover from the installation position on the projectile, the slot on the projectile being uncovered when the slot cover is released from the installation position on the projectile; wherein the fastener is a screw; wherein the actuator is a squib device; wherein using the fastener to position the slot cover at the installation position on the projectile includes pivotally tucking an elongated hinged lip of the slot cover within a corresponding elongated recess of the projectile and threading the screw into the projectile to hold the slot cover at the installation position; and wherein using the actuator to release the slot cover from the installation position on the projectile includes providing an activation signal to the squib device, the squib device being arranged to provide, in response to the activation signal, an explosive force which propels the slot cover and the screw in a direction away from the projectile to remove the slot cover and the fastener from the vicinity of the projectile. 2. A slot cover actuation assembly to control access through a slot on a projectile, the slot cover actuation assembly comprising: a slot cover; a fastener arranged to position the slot cover at an installation position on the projectile, the slot cover covering the slot on the projectile when the slot cover resides at the installation position; and an actuator arranged to release the slot cover from the installation position on the projectile, the slot cover uncovering the slot on the projectile when the actuator releases the slot cover from the installation position on the projectile; wherein the projectile includes an outer housing which defines the slot, and an inner support which is disposed within the outer housing; wherein the actuator is arranged to attach to the inner support of the projectile; and wherein the actuator includes a squib device which is arranged to provide, in response to an activation signal, an explosive force which propels the slot cover and the fastener in a direction away from the inner support and past the outer housing to remove the slot cover and the fastener from the vicinity of the slot. 3. A slot cover actuation assembly as in claim 2 wherein the actuator further includes a threaded member; and wherein the fastener includes: exactly one screw which is arranged to thread into the threaded member to position the slot cover at the installation position on the projectile, the threaded screw being arranged to separate from the threaded member in response to the explosive force provided by the squib device. 4. A slot cover actuation assembly as in claim 3 wherein the slot cover is elongated in shape and defines: a center line which extends in a direction of elongation, and a screw hole through which the screw is capable of passing when positioning the slot cover at the installation position on the projectile, the screw hole being offset from the center line defined by the slot cover. 5. A slot cover actuation assembly as in claim 4 wherein the slot cover further defines: an elongated hinged lip which extends along an edge in the direction of elongation, the elongated hinged lip being arranged to pivotally tuck within a corresponding elongated recess of the output casing of the projectile to provide hinged installation onto the outer housing and release of the slot cover from the outer housing. 6. A slot cover actuation assembly as in claim 4 wherein the slot cover and the fastener are arranged to provide retention force of at least a predetermined amount in a direction from the installation position toward the inner support to hold a control surface member substantially within an inner cavity defined by the outer housing when the fastener positions the slot cover at the installation position on the projectile. 7. A slot cover actuation assembly as in claim 4, further comprising: a gasket which substantially extends around a periphery of the slot cover, the gasket being arranged to provide a compliant seal around the slot between the slot cover and the outer housing of the projectile when the slot cover resides at the installation position on the projectile. 8. A slot cover actuation assembly as in claim 4 wherein the screw includes a threaded portion and a head portion; and wherein the slot cover further defines a countersink arranged to recess the head portion of the screw when the threaded portion of the screw engages with into the threaded member of the actuator to position the slot cover at the installation position on the projectile. 9. A projectile apparatus, comprising: a projectile body; and a slot cover actuation assembly arranged to control access through a slot on a projectile body, the slot cover actuation assembly including: a slot cover, a fastener arranged to position the slot cover at an installation position on the projectile body, the slot cover covering the slot on the projectile body when the slot cover resides at the installation position, and an actuator arranged to release the slot cover from the installation position on the projectile body, the slot cover uncovering the slot on the projectile body when the actuator releases the slot cover from the installation position on the projectile body; wherein the projectile body includes an outer housing which defines the slot, and an inner support which is disposed within the outer housing; and wherein the actuator is arranged to attach to the inner support of the projectile body; and wherein the actuator includes a squib device which is arranged to provide, in response to an activation signal, an explosive force which propels the slot cover and the fastener in a direction away from the inner support and past the outer housing to remove the slot cover and the fastener from the vicinity of the slot. 10. A projectile apparatus as in claim 9 wherein the actuator further includes a threaded member which mounts to the inner support; and wherein the fastener includes: exactly one screw which is arranged to thread into the threaded member to position the slot cover at the installation position on the projectile body, the threaded screw being arranged to separate from the threaded member in response to the explosive force provided by the squib device. 11. A projectile apparatus as in claim 10 wherein the slot cover is elongated in shape and defines: a center line which extends in a direction of elongation, and a screw hole through which the screw is capable of passing when positioning the slot cover at the installation position on the projectile body, the screw hole being offset from the center line defined by the slot cover. 12. A projectile apparatus as in claim 11 wherein the slot cover further defines: an elongated hinged lip which extends along an edge in the direction of elongation, the elongated hinged lip being arranged to pivotally tuck within a corresponding elongated recess of the output casing of the projectile body to provide hinged installation onto the outer housing and release of the slot cover from the outer housing. 13. A projectile apparatus as in claim 11 wherein the slot cover and the fastener are arranged to provide retention force at least a predetermined amount in a direction from the installation position toward the inner support to hold a control surface member substantially within an inner cavity defined by the outer housing when the fastener positions the slot cover at the installation position on the projectile body. 14. A projectile apparatus as in claim 11, further comprising: a gasket which substantially extends around a periphery of the slot cover, the gasket being arranged to provide a compliant seal around the slot between the slot cover and the outer housing of the projectile body when the slot cover resides at the installation position on the projectile body. 15. A projectile apparatus as in claim 11 wherein the screw includes a threaded portion and a head portion; and wherein the slot cover further defines a countersink arranged to recess the head portion of the screw when the threaded portion of the screw engages with into the threaded member of the actuator to position the slot cover at the installation position on the projectile body.
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