Fire escape – ladder – or scaffold – Combined
Patent
1985-02-28
1985-11-26
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Combined
182 2, B66F 1104
Patent
active
045549958
ABSTRACT:
An arrangement for providing heat to the working environment of a bucket attached to an aerial lift vehicle is disclosed. A tubing arrangement is located at the bottom of the bucket and is receptive to heated hydraulic fluid. The hydraulic fluid is commonly available at the bucket of aerial lift vehicles for operation of the bucket and boom structures. Since the hydraulic fluid may reach temperatures of 120.degree. F., the circulation of the hydraulic fluid through the tubing structure in the bucket will radiate heat throughout the bucket. In a preferred embodiment of the present invention, the tubing is encased in a mat which can be placed in the bottom of the bucket. Input and output couplers are used to attach the hydraulic hoses to the mat. The control of hydraulic fluid flow through such an arrangement may be provided either at the bucket itself or in the vehicle.
REFERENCES:
patent: 3451505 (1969-06-01), Hulin
patent: 3605941 (1971-09-01), Edwards
patent: 3670849 (1972-06-01), Milner
patent: 3695390 (1972-10-01), Leigh
patent: 3817007 (1974-06-01), Hall
patent: 4252215 (1981-02-01), Bell
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