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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||126/009.B; 126/337.R; 126/339; 126/025.R; 126/152.B; 211/175; 211/181; 099/449|
|발명자 / 주소||
|출원인 / 주소||
|대리인 / 주소||
|인용정보||피인용 횟수 : 55 인용 특허 : 2|
An adjustable grate includes first and second identical grate members each with first and second parallel supports. A plurality of upper and lower elements are secured to and extend perpendicularly to the parallel supports providing a space between the upper and lower elements. The grate is assembled by positioning the second support of each grate member between the upper and lower elements of the opposing grate member. The width of the grate is adjusted by sliding the first and second grate members together or apart. The length of the grate is adjusted ...
1. A grate, comprising: first and second identical rack members, each said first and second rack member including a base member, a first support secured at a first end to an upper surface of each said base member, each said first support extending perpendicularly from each said base member, and a second support secured at a first end to a lower surface of each said base member, extending perpendicularly from each said base member, said first support being spaced from said second support on said first rack member a sufficient distance to extend above a...