[특허]Electro-mechanical interlock and module system for lawn mower or other electrical device

Electro-mechanical interlock and module system for lawn mower or other electrical device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A01D-034/82 A01D-075/18
출원번호	US-0532038 (1990-06-01)
발명자 / 주소	Hess Kristoffer A. (Brockville CAX) Dyke Colin (North Agusta CAX) Shaver David M. (Brockville CAX)
출원인 / 주소	Black & Decker Inc. (Newark DE 02)
인용정보	피인용 횟수 : 73 인용 특허 : 0

초록 ▼

An electro-mechanical interlock and module system for an electrically powered device such as a cordless, electric lawn mower that includes a normally open interlock switch for controlling the enabling of the power circuit for the lawn mower. A key member is adapted for insertion into a specially configured opening in the mower housing to actuate and close the interlock switch. With the interlock switch closed, energization of the motor is controlled by a separate handle-mounted ON/OFF switch in a conventional manner. In addition, a modular assembly technique is disclosed which facilitates ease of manufacturing while assuring proper alignment between the various components of the interlock system.

대표청구항 ▼

An electrically powered lawn mower comprising a mower deck, an electric motor mounted to the mower deck for rotatably driving a cutting blade located beneath the mower deck, a handle connected to the mower deck, a shroud covering the motor, a power circuit including a rechargeable battery for providing electrical power to the motor and an electrical connector adapted for connection to an external source of electrical current for charging said battery, a manually operable electric switch mounted to the handle and connected in said power circuit and having ON and OFF positions for controlling the application of electrical power to the motor, and an interlock system for controlling the enabling of said power circuit, including an interlock switch connected in said power circuit and having an actuator for controlling the state of said interlock switch; said interlock switch having a first normal state for disabling said power circuit and a second state for enabling said power circuit, such that when said interlock switch is in said first state the electric motor cannot be energized by said power circuit regardless of the position of said handle mounted switch, and when said interlock switch is in said second state the electric motor is energizable by said power circuit in accordance with the position of said handle mounted switch; means for mounting said interlock switch within said shroud adjacent a specially configured first opening in said shroud such that the actuator of said interlock switch is accessible through said first opening; and a key member configured for insertion into said first opening in said shroud and including actuating means for engaging said actuator of said interlock switch and causing said interlock switch to switch from said first state to said second state to thereby enable said power circuit when said key member is fully inserted into said first opening in said shroud and further including means for blocking access to said electrical connector when said key member is fully inserted into said first opening in said shroud to thereby prevent said battery from being charged when said interlock switch is in said second state.

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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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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Electro-mechanical interlock and module system for lawn mower or other electrical device 원문보기

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대표청구항 ▼

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Electro-mechanical interlock and module system for lawn mower or other electrical device 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (73)

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