Lightweight cementitious roofing, tapered and recessed
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E04D-001/22
출원번호
US-0881845
(1992-05-12)
발명자
/ 주소
Jakel Karl W. (3924 Park Pl. #4 Montrose CA 91120)
인용정보
피인용 횟수 :
20인용 특허 :
0
초록▼
A roof shake having an elongated body with top and bottom surfaces that extend lengthwise of the body, the body having laterally spaced, elongated edges, and opposite ends. The body bottom surfaces have a taper angled to flatly engage the roof near an upper end of the shake, whereby the shake may be
A roof shake having an elongated body with top and bottom surfaces that extend lengthwise of the body, the body having laterally spaced, elongated edges, and opposite ends. The body bottom surfaces have a taper angled to flatly engage the roof near an upper end of the shake, whereby the shake may be nailed to the roof in spaced relation to the end so that the taper engagement with the roof provides leverage resisting wind up-lift forces exerted on the shake near a lower end of the shake installed in spaced relation to the roof. The bottom surface has hollow shallow cavities to reduce weight. The length and width are such as to reduce number of shakes in installation.
대표청구항▼
Roof shakes which are alike, there being, for each shake, a next-below shake, and each having: a) an elongated cementitious body with top and bottom surfaces that extend lengthwise of the body, said body having laterally spaced, elongated edges, and opposite ends, b) the body bottom surface having a
Roof shakes which are alike, there being, for each shake, a next-below shake, and each having: a) an elongated cementitious body with top and bottom surfaces that extend lengthwise of the body, said body having laterally spaced, elongated edges, and opposite ends, b) the body bottom surface having a tapered end portion angled to flatly engage the roof near an upper end of the shake, whereby the shake may be nailed to the roof in spaced relation to said end so that said bottom surface tapered end portion engagement with the roof provides leverage resisting wind up-lift forces exerted on the shake near a lower end of the shake installed in spaced relation to the roof, c) said bottom surface tapered end portion extending from said upper end of the shake to a bottom surface region which is closer to said upper end of the shake than to the lower end of the shake, the shake being rectangular in outline, d) each shake having an untapered mid-portion between said opposite ends, the mid-portion of each shake overlying the tapered end portion of the next-below shake, e) and a fastener extending through the mid-portion of each shake and through the bottom surface tapered end portion of the next-below shake, f) the shake having constant overall thickness from said lower end to said tapered end portion, g) the entire upper surfaces of said shakes being parallel.
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