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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0170904 (1988-03-21) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 7 인용 특허 : 0 |
A rectangular hole cutter according to the teachings of the present embodiment of present invention is wholly shown as including a two-member cam device within a housing with a base plate, for vibrating one of three sets of alternate cutting blades to saw a rectangular hole in wall material. The cam
A unit utilizing an outside power source for cutting rectangular holes in light-weight construction material such as wallboard comprising a two-member cam action means within a housing with a rectangular first base plate which describes the size and shape of the holes to be cut, with the base plate
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