Wheel channel guide-lock for gymnasium bleachers

Details Wheel channel guide-lock for gymnasium bleachers Wheel channel guide-lock for gymnasium bleachers

1990-12-06

1991-12-03

Ridgill, Jr., James L.

Static structures (e.g., buildings)

With stadium or auditorium feature

Seating arrangement

521261, E04H 312

Patent

active

050690078

ABSTRACT:
A wheel channel guide-lock assembly for laterally, vertically and horizontally securing adjacent telescoping wheel channels of a bleacher system. The assembly comprises a first type of bracket attached in pairs on one wheel channel which include axles extending therefrom for replacing existing channel wheel axles at opposite ends of a wheel channel. A second type bracket slidingly engages along a rod extending between the said first type brackets of the channel and is attached to an adjacent wheel channel whereby sequentially, adjacent channels are guided and locked together by means of the first brackets preventing the second bracket from sliding therepast.

REFERENCES:
patent: 2870492 (1959-01-01), Chervenka
patent: 3069732 (1962-12-01), Murphy
patent: 3069733 (1962-12-01), Murphy
patent: 3157916 (1964-11-01), Puestow
patent: 3222827 (1965-12-01), Smith
patent: 3335533 (1967-08-01), Bahr
patent: 3389511 (1968-06-01), Drehobl
patent: 3425173 (1969-02-01), Carlo
patent: 3478473 (1969-11-01), Hoven
patent: 3608251 (1971-09-01), Scaggs
patent: 4285172 (1981-08-01), Quigley

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