초록 ▼

A bolster for use in construction has a pair of spaced apart frame members and a plurality of rung members in spaced relationship extending between the pair of spaced apart frame members. The pair of spaced apart frame members have a generally rectangular configuration and a plurality of openings fo

A bolster for use in construction has a pair of spaced apart frame members and a plurality of rung members in spaced relationship extending between the pair of spaced apart frame members. The pair of spaced apart frame members have a generally rectangular configuration and a plurality of openings formed therethrough. The pair of spaced apart frame members and the plurality of rung members are formed integrally together of a polymeric material. The openings of the pair of spaced apart frame members have a generally rectangular shape.

대표청구항 ▼

1. A bolster for use in constructions comprising: a pair of spaced-apart frame members having a generally rectangular configuration, each of said pair of spaced-apart frame members having a plurality of openings formed therethrough, said plurality of openings being of a volume substantially more tha

1. A bolster for use in constructions comprising: a pair of spaced-apart frame members having a generally rectangular configuration, each of said pair of spaced-apart frame members having a plurality of openings formed therethrough, said plurality of openings being of a volume substantially more than one-half of a total volume of the frame member; anda plurality of rung members in spaced relationship to each other, said plurality of rung members extending between said pair of spaced-apart frame members, each of said plurality of rung members being solid with no openings therein, each of said plurality of rung members having a planar shape, said pair of spaced-apart frame members and said plurality of rung members being integrally formed together of a polymeric material. 2. The bolster of claim 1, each of said each of plurality of rung members having a rectangular prism shape. 3. The bolster of claim 1, said plurality of rung members being positioned centrally between top surface and a bottom surface of said pair of spaced-apart frame members. 4. The bolster of claim 1, said openings of said frame members having a generally rectangular shape. 5. The bolster of claim 1, said plurality of openings formed through a first of said pair of spaced-apart frame members being aligned with said plurality of openings formed through a second of said pair of spaced-apart frame members. 6. The bolster of claim 5, one of said plurality of rung members being positioned between adjacent openings of said plurality of openings of said pair of spaced-apart frame members. 7. A bolster for use in construction comprising: a pair of spaced-apart frame members having a generally rectangular configuration and a plurality of openings formed therethrough, said plurality of openings being of a volume substantially more than one-half of a total volume of the frame member, said plurality of openings each having a generally rectangular shape; anda plurality of rung members in spaced relationship extending between said pair of spaced-apart frame members, each of said plurality of rung members respectively positioned between adjacent pairs of said plurality of openings, each of said plurality of rung members having a planar shape, said pair of spaced-apart frame members and said plurality of rung members being integrally formed together of a polymeric material. 8. The bolster of claim 7, said plurality of rung members having a rectangular prism shape. 9. The bolster of claim 7, said plurality of rung members being positioned centrally between top surface and a bottom surface of said pair of spaced apart frame members. 10. The bolster of claim 7, said plurality of openings formed through the first of said pair of spaced apart frame members being aligned with said plurality of openings formed through the second of said pair of spaced apart frame members.