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특허 상세정보

Non-jamming screw actuator system

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16H-025/20    F16H-057/10   
미국특허분류(USC) 74/4248 ; R ; 74/4115
출원번호 US-0939407 (1986-12-08)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 47  인용 특허 : 0
초록

A non-jamming ballscrew actuator system which includes an inner screw, an intermediate ballscrew internally threaded on the inner screw, and an outer ballscrew nut rotatably mounted about the ballscrew. An actuator is operatively associated with a load to be actuated and connected to the inner screw for axial movement therewith. A drive rotates the ballscrew nut to axially move the ballscrew. A first brake prevents rotation of the ballscrew, and a second brake prevents rotation of the inner screw. In the event of jamming between the ballscrew and ballscr...

대표
청구항

A non-jamming ballscrew actuator system, comprising: an inner screw; an intermediate ballscrew internally threaded on the inner screw; an outer ballscrew nut rotatably mounted about the ballscrew; actuator means operatively associated with a load to be actuated and connected to the inner screw for axial movement therewith; drive means for rotating the ballscrew nut to axially move the ballscrew; and brake means for preventing relative rotation between the inner screw and the ballscrew to effect movement of the actuator means in response to movement of th...

이 특허를 인용한 특허 피인용횟수: 47

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  38. Brueckner, Ina; Giebeler, Christoph; Heintjes, Mark; Recksiek, Martin; Rechter, Harald; Christmann, Markus. Method and device for fault detection in the load path of a spindle actuator. USP2012078224502.
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