Rolling tower scaffold and method and tooling apparatus for manu

Details Rolling tower scaffold and method and tooling apparatus for manu Rolling tower scaffold and method and tooling apparatus for manu

1989-09-28

1991-12-03

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder and platform

Platform with ladder as support

182178, 182228, 182113, 16 30, E04G 118, E04G 130

Patent

active

050693093

ABSTRACT:
Climbing apparatus including a rolling tower support platform, and method and tooling for the same wherein one of two spaced double walls of each of opposed tower rails of a tower ladder is snugly gripped by detents formed on the end portions of spaced rail rungs and the extremities of the rungs are flared, the rails including expanded bottoms for snap lock and threaded lock assembly with unique caster boxes of a caster wheel assembly for the tower rails and a support platform mounted on the rails with slidable carriages having double grip and threaded pin tightening arrangements and also having sockets to receive collapsible hand rail assemblies with unique hinges for gates thereof.

REFERENCES:
patent: 2957540 (1960-10-01), Brown
patent: 3004621 (1961-10-01), Yench
patent: 3236331 (1966-02-01), Green
patent: 3327385 (1967-06-01), Shaver
patent: 3396817 (1968-08-01), Perry
patent: 3630314 (1971-12-01), Bamburg
patent: 3675736 (1972-07-01), Roggie
patent: 4086980 (1978-05-01), Shortes
patent: 4262774 (1981-04-01), Chez
patent: 4263984 (1981-04-01), Masuda
patent: 4656721 (1987-04-01), Werner
patent: 4698896 (1987-10-01), Osterwald
patent: 4711282 (1987-12-01), Frazier

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