[특허]Roof anchor and stress plate assembly

Roof anchor and stress plate assembly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E04B-005/00
출원번호	US-0081016 (1987-08-03)
발명자 / 주소	Giannuzzi Louis N. (59 Dingletown Rd. Greenwich CT 06830)
인용정보	피인용 횟수 : 87 인용 특허 : 0

초록 ▼

An anchor and stress plate assembly adapted to secure an insulation layer to the deck of a roof without penetrating the lower surface of the deck which is formed either of relatively soft or hard decking material. The anchor is provided with a flanged head and a shank whose leading section takes the form of an auger screw having a root which tapers toward the tip and a threading about the root whose crests are of approximately uniform diameter. When the anchor is turned into soft decking material, the tapered root of the auger screw then acts to pack this material into a dense mass in the region surrounding the screw to enhance the holding power of the anchor. In hard decking material, a hole must first be drilled therein to receive the auger screw whose root when the anchor is turned in fits within the hole and whose crests then cut a thread in the hole wall to securely retain the anchor. The stress plate which overlies the insulation layer to prevent uplift thereof has a central depression surrounding an opening defined by a circular series of ratchet teeth. When the anchor is fully turned into the decking material, its head then lies within the plate opening while the flange rests within the depression. The anchor head is provided with a pawl that is deflected by the ratchet teeth when the anchor is being turned in, the pawl engaging the teeth when the anchor seeks to turn out, thereby preventing loosening of the installed assembly.

대표청구항 ▼

An anchor and bearing plate assembly adapted to secure a layer of insulation or other relatively light-weight, non-metallic material to a deck of a roof or other substrate having an undersurface without fully penetrating the deck which is formed either of relatively soft or hard decking material, said layer and said deck having a combined thickness, said assembly comprising: (a) an anchor whose length is shorter than the combined thickness of the layer and the deck, the anchor being provided with a head of a predetermined cross-sectional area having at least one pawl projecting therefrom and a shank whose leading section is constituted by an auger screw terminating in a tip; and (b) a generally planar bearing plate of a substantially greater cross-sectional area having a central opening to receive the shank of the anchor and provided with a series of ratchet teeth in cooperative relation to said pawl, and lugs projecting below the plate, whereby when the plate is placed over said layer and the anchor is fully turned into the decking material, the tip of the auger screw is then above the undersurface of the deck while the head thereof then lies on the plate to force the lugs to penetrate the layer to prevent rotation of the plate, the pawl then engaging the ratchet teeth of the plate to resist turning out of the anchor and loosening of the assembly.

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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

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Roof anchor and stress plate assembly 원문보기

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Roof anchor and stress plate assembly 원문보기

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