[특허]Spring loaded actuator assembly

Spring loaded actuator assembly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E05F-001/14 E05F-001/10
출원번호	US-0324614 (2014-07-07)
등록번호	US-9702176 (2017-07-11)
발명자 / 주소	Janak, John M. Boerschig, Timothy J. Ott, Mark J.
출원인 / 주소	ITT Manufacturing Enterprises LLC
대리인 / 주소	Barclay Damon, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 56

초록 ▼

A spring loaded actuator assembly includes a first member having a set of rails, a second member configured to translate axially relative to the first member and a third member configured for translational movement within the second tubular member. The second and third members each include a set of ramp-like teeth configured to engage one another when the third member is moved within the second member; and grooves configured to engage the rails of the first member and permit translational movement of the second and third members relative to the first member while preventing rotational movement of the second and third members. A coil spring is disposed between the first and second members wherein translational movement of the second member beyond a predetermined axial position causes the ramp-like teeth of the second member to extend beyond the rails, causing the second member to rotate and the ramp-like teeth to be retained by the rails of the first member, thereby maintaining the coil spring in a compressed condition while enabling the third member to be freely movable axially.

대표청구항 ▼

1. A spring loaded actuator assembly comprising: a first member having a set of axially disposed rails;a second member configured to translate axially relative to the first member;a third member configured for translational movement within the second member, each of the second and third members including: a set of teeth configured to engage one another when the third member is moved within the second member, the teeth being defined by a ramped surface; andgrooves configured to engage the rails of the first member and permit translational movement of the second and third members relative to the first member while preventing rotational movement of the second and third members; anda coil spring disposed between the first and second members wherein translational movement of the second member beyond a predetermined axial position causes the teeth of the second member to extend beyond the rails, causing the second member to rotate and the teeth to be retained by the rails of the first member, thereby maintaining the coil spring in a compressed condition while enabling the third member to be freely movable axially. 2. The actuator assembly according to claim 1, in which the first member is a rod and the second and third members are tubular sections. 3. The actuator assembly according to claim 2, wherein the rails are disposed in the exterior of the rod. 4. The actuator assembly according to claim 3, wherein the coil spring is disposed on the exterior of the assembly. 5. The actuator assembly according to claim 1, wherein the first member is a tubular member. 6. The actuator assembly according to claim 5, wherein the rails are disposed along an interior surface of the first member. 7. The actuator assembly according to claim 6, wherein the coil spring is disposed within the interior of the assembly. 8. A spring-loaded actuator assembly, comprising: a rod including a set of axially extending rails;a pair of movable hollow tubular members including a first tubular member and a second tubular member in which the first tubular member is configured to move within the second tubular member; anda coil spring having respective ends attached to the rod and the second tubular member, each of the first and second tubular members including: a set of grooves configured to engage the axially ending rails of the rod to permit translational movement; andteeth that releasably couple the first and second tubular members for axial movement when engaged, the teeth having ramped surfaces;wherein translational movement of the second tubular member beyond a predetermined axial position causes the teeth of the second tubular member to extend beyond the rails, causing the second tubular member to be retained by the rails, thereby maintaining the coil spring in a compressed condition while enabling the first tubular member to be freely movable axially. 9. An actuator assembly according to claim 8, in which the coil spring is disposed on the exterior of the assembly. 10. A spring loaded actuator assembly comprising: a first member having a first keying feature;a second member configured to translate axially relative to the first member;a coil spring biasedly connecting the first member with the second member; anda third member configured for translational movement within the second tubular member, each of the second and third members including: a set of teeth configured to engage one another when the third member is axially moved within the second member, the teeth having ramped surfaces; anda second keying feature configured to engage the first keying feature of the first member and permit translational movement of the second and third members relative to the first member while preventing rotational movement of the second and third member,wherein translational movement of the second member beyond a predetermined axial position causes the teeth of the second member to extend beyond the first keying feature and causes the second member to be axially restrained, thereby maintaining the coil spring in a compressed condition while enabling the third member to freely move telescopically from the assembly. 11. The actuator assembly according to claim 10, in which the first keying feature is a set of axially disposed rails and the second keying feature is a corresponding set of grooves configured to pass over the rails. 12. The actuator assembly according to claim 11, in which the second and third members are tubular members having the teeth disposed at a distal end thereof. 13. The actuator assembly according to claim 12, in which the first member is a cylindrical rod in which the rails are axially disposed on the exterior of the rod and in which the grooves of the second and third members pass over the rails. 14. The actuator assembly according to claim 13, wherein the coil spring is attached to the exterior of the assembly. 15. The actuator assembly according to claim 12, in which the first member is a tubular member and in which the rails are axially disposed with an interior surface wherein the second and third members are configured to pass into the interior of the first member. 16. The actuator assembly according to claim 15, wherein the coil spring is attached to the interior of the assembly. 17. The actuator assembly according to claim 10, in which the assembly is configured for use in an aircraft stowage bin to selectively provide an assist force to a pivoting stowage bin.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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