최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0506220 (1974-09-16) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 10 인용 특허 : 0 |
A bi-fold door assembly of the type adapted to be mounted in a doorway having opposing parallel jambs and a connecting header, the bi-fold door assembly including at least one jamb door pivotably secured to one jamb and a lead door having means hinging the same to the jamb door. In one embodiment, a
A bi-fold door assembly adapted to be mounted in a doorway having opposing jambs and a header, said bi-fold door assembly comprising: a jamb door; a lead door; means for hinging one lengthwise edge of said jamb door to one lengthwise edge of said lead door; a header track having a U-shaped cross-sec
※ AI-Helper는 부적절한 답변을 할 수 있습니다.