Upper beam slab bolster with extruded plates

Details Upper beam slab bolster with extruded plates Upper beam slab bolster with extruded plates

2007-10-23

2007-10-23

Chapman, Jeanette (Department: 3635)

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Spacer-positioner; e.g., rebar chair

C052S679000, C052S677000, C052S742100, C404S134000, C404S135000, C404S136000

Reexamination Certificate

active

11073262

ABSTRACT:
A bolster for use in construction has a beam, a first plurality of leg members on one side of the beam, a second plurality of leg members on an opposite side of the beam, a first plate having a receptacle on one side thereof and a second plate having a receptacle on one side thereof. The receptacle of the first plate receives a portion of the first plurality of leg members therein. The receptacle of the second plate receives a portion of the second plurality of leg members therein. The receptacles having a generally C-shaped cross section for resiliently contacting surfaces of the respective leg members. The plate is integrally formed of an extruded polymeric material.

REFERENCES:
patent: 1277612 (1918-09-01), Leonard
patent: 4942714 (1990-07-01), Langley et al.
patent: 5655349 (1997-08-01), Ghali et al.
patent: 5664390 (1997-09-01), Sorkin
patent: D393997 (1998-05-01), Hartzheim
patent: 6772571 (2004-08-01), Sorkin
patent: 6775954 (2004-08-01), Sorkin
patent: 6948291 (2005-09-01), Haslem et al.
patent: 7108453 (2006-09-01), Harris
patent: 2002/0121065 (2002-09-01), Schulze
patent: 2316961 (1998-03-01), None

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