Scaffold safety system

Details Scaffold safety system Scaffold safety system

1990-05-10

1991-01-15

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Self-sustaining

182222, 403227, E04G 120, E04G 130

Patent

active

049846540

ABSTRACT:
A coupling arrangement for coupling a guard post to a scaffold platform. The couples includes a brace for attachment to the guard post. A plug member is carried by a portion of the brace and extends perpendicular to the post. The plug includes a resilient sleeve through which extends a bolt. The bolt passes externally of the brace for external manipulation thereof. The plug member is inserted into a hollow run of the scaffold. The bolt is tightened, whereby the sleeve becomes constructed and secures itself within the rung.

REFERENCES:
patent: 2044703 (1936-06-01), Kline
patent: 3222974 (1965-12-01), Zink
patent: 3302751 (1967-02-01), Ahlberg
patent: 3345825 (1967-10-01), Parker
patent: 3613831 (1971-10-01), Estep
patent: 4216933 (1980-08-01), Cramer
patent: 4541509 (1985-09-01), D'Alessio
patent: 4598794 (1986-07-01), Anderson
patent: 4805735 (1989-02-01), Anderson
patent: 4856616 (1989-08-01), Anderson
patent: 4869343 (1989-09-01), Anderson

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