[특허]Method and apparatus for drilling a curved bore in an object

Method and apparatus for drilling a curved bore in an object 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-017/56
출원번호	US-0630847 (1996-04-11)
발명자 / 주소	Romano Jack W. (3931 Whitman Ave. North Apartment 6 Seattle WA 98103)
인용정보	피인용 횟수 : 157 인용 특허 : 0

초록 ▼

A method and apparatus for drilling a curved bore are disclosed, wherein the apparatus includes a handle (20) and a removable cartridge (174) in which cutting bits (240) are disposed to produce the bore. The handle includes a trigger (66), (66′), or (66″), which the user squeezes toward a grip (24) of the handle to both energize a pneumatic motor (42) and to advance the opposed cutting bits in curved arcs at different rates. As the trigger is squeezed, a curved guide arm (234) conveying one of the cutting bits is advanced more rapidly than the other curved guide arm, passing a median point in the bore and then being withdrawn as the other curved guide arm and cutting bit are advanced past the median point. Thus, interference between the two cutting bits is avoided and a clean bore hole is produced. In addition, the removable cartridge minimizes breakage of a flexible drive cable (238) used to transmit rotational force to the cutting bits from rotating left and right extended drive shafts (190) and 192). A straight segment (236) of each curved guide arm is provided adjacent the point where the cutting bit connects to the flexible drive cable, to substantially eliminate stress on the flexible drive cable at that point. Instead, the stress is shifted to a portion of the flexible shaft where its flexibility is greater. A push-button release (122) is provided on a barrel (26′) of the handle to facilitate release of retainer pins (106′) that engage push bars in the removable cartridge so that the removable cartridge can more easily be disengaged from the barrel.

대표청구항 ▼

Apparatus for drilling a curved bore in a object, comprising: (a) a housing having a distal end and a proximal end, the distal end being adapted to position adjacent an object to be drilled, the proximal end being adapted to couple with a drive housing; (b) opposed first and second cutting bits, each coupled to a corresponding first and second flexible cable, said first and second cutting bits being disposed adjacent the distal end of the housing and rotated by the first and second flexible cables, said first and second flexible cables extending through the housing and terminating in disconnectable drive couplings adjacent the proximal end of said housing, rotation of the drive couplings by an externally applied rotational force being transmitted through the first and second flexible cables to rotatably drive the first and second cutting bits; (c) a first and a second curved guide supporting the corresponding first and second flexible cables and corresponding first and second cutting bits, said first and second curved guides being pivotally mounted adjacent the distal end of the housing and swingable about a pivot in opposed, intersecting coplanar arcs along a path that defines the bore in the object; and (d) first and second links having proximal and distal ends, the first and second links being mounted in the housing for movement independently of each other such that one link can be moved without equal and corresponding movement of the other link, the distal ends of said first and second links being coupled mechanically to the corresponding first and second curved guides, independently of the coupling of the first and second flexible cables to the first and second cutting bits, for controlling swinging of the first and second curved guides about the pivot, the proximal ends of said first and second links being attachable to disconnectable fittings, so that an external force applied to the first and second links is transmitted through the first and second links to swing the first and second curved guides and the first and second cutting bits outwardly from the distal end of the housing to produce the curved bore.

이 특허를 인용한 특허 (157)

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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
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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Method and apparatus for drilling a curved bore in an object 원문보기

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Method and apparatus for drilling a curved bore in an object 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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