Adjustable support rollaway bleacher

Details Adjustable support rollaway bleacher Adjustable support rollaway bleacher

1980-12-04

1982-12-14

Bell, J. Karl

Static structures (e.g., buildings)

With stadium or auditorium feature

Seating arrangement

E04H 312

Patent

active

043631975

ABSTRACT:
A reinforced folding bleacher support structure and method of reinforcing existing folding bleachers. The improvement includes an adjustable brace structure which fits snugly over and reinforces the column support, and includes a pivoted adjustable horizontally extending brace. The horizontal brace pivots about a lower part of the vertical brace, and engages the column on both front and rear faces. Bending forces applied to the horizontal brace are transmitted to the vertical structure through a face plate abutted by a portion of the adjustment mechanism. The method includes reinforcing the column near the top portion thereof, positioning the horizontal brace and then adjusting it by manipulating the mechanism until the support structure is level for proper extension and retraction.

REFERENCES:
patent: 2706835 (1955-04-01), Ullom
patent: 2870492 (1959-01-01), Chervenka
patent: 4045921 (1977-09-01), Molloy

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