Fire escape – ladder – or scaffold – Horizontal traversing - actuation – control – or response – Holding means
Patent
1978-05-16
1979-11-13
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Horizontal traversing - actuation, control, or response
Holding means
182 97, 182129, 182127, 280163, E06C 502, B62B 504
Patent
active
041740211
ABSTRACT:
A ladder truck, e.g. for use in stores for transporting goods from central storage to display shelves and for facilitating the loading of such goods on display shelves, comprises a wheeled truck having attached to one end a stepladder. The stepladder is pivotally secured to one end, and has a first position in which it is wholly supported by the truck, clear of the ground, so that the truck can be wheeled around without interference from the stepladder and a second position in which the lowermost extremities of the stepladder engage the ground or floor surface, and take a portion of the weight of the truck, so that the adjacent wheels of the truck are raised clear of the supporting ground surface. Then, with the truck resting on a single wheel or pair of wheels and on the base of the stepladder, the truck is effectively locked against accidental rolling movement across the surface, and the stepladder can be safely mounted. The stepladder is easily moved from one position to another by simple manual operation.
REFERENCES:
patent: 2377043 (1945-05-01), Samuelson
patent: 2707585 (1955-05-01), Hoey
patent: 3556248 (1971-01-01), Brown
Alnor Material Handling Limited
Machado Reinaldo P.
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