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특허 상세정보

Furnace door latch assembly

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) E05C-003/04    E05B-003/04    E05B-003/00    E05B-015/00    F27D-001/18    E05B-063/04   
출원번호 US-0847518 (2013-03-20)
등록번호 US-9234369 (2016-01-12)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Cantor Colburn LLP
인용정보 피인용 횟수 : 2  인용 특허 : 44

A latch assembly for securing a furnace door to a furnace casing includes a latch for placement on an inside of the furnace door; a knob for placement on a front surface of the furnace door; a latch plate for placement between the latch and the knob; and a threaded screw for threadably coupling the knob to the latch. The latch plate supports the weight of the furnace door in a closed position and reduces a pinch force used for rotating the knob.


1. A latch assembly for securing a furnace door to a furnace casing, comprising: a latch for placement on an inside of the furnace door and rotatable between a latched position and an unlatched position, the latch comprises a latch body, the latch body having a first latch portion, a diametrically opposed second latch portion, and a latch cylindrical portion that is orthogonal to a longitudinal axis of the latch body;a knob operable for placement on a front surface of the furnace door;a latch plate for placement between the latch and the knob, wherein th...

이 특허에 인용된 특허 (44)

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