Sandwich plate stepped risers

Details Sandwich plate stepped risers Sandwich plate stepped risers

2006-05-23

2006-05-23

Katcheves, Basil (Department: 3635)

Static structures (e.g., buildings)

Stepped; e.g., stair

With additional building feature

C052S181000, C052S182000, C052S008000

Reexamination Certificate

active

07047699

ABSTRACT:
A two-tired seating riser for a sports stadium comprises upper and lower metal plates bonded together by a solid elastomer core. The elastomer core has different thicknesses in the treads and rises. The lower tread has a lip portion in which the metal plates are flared to facilitate alignment with the riser below.

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