Telescoping mast assembly

Details Telescoping mast assembly Telescoping mast assembly

1991-05-09

1992-04-07

Bui, Thuy M.

Endless belt power transmission systems or components

Positive drive pulley or guide roll

With particular belt

227 99, 474 85, F16H 100

Patent

active

051023750

ABSTRACT:
A telescoping mast assembly includes a plurality of interconnected mast sections nested within each other for movement between a fully retracted height and a fully extended height. A novel, rigid drive assembly, disposed within the interconnected mast sections, telescopes the mast sections to any position between the fully retracted and the fully extended heights. The rigid drive assembly is constructed of two interconnected, flexible chain elements which accurately position the interconnected mast sections.

REFERENCES:
patent: 2038149 (1936-04-01), Walters
patent: 3086210 (1963-04-01), Good et al.
patent: 3181730 (1965-05-01), Schafroth
patent: 3949619 (1976-04-01), Kuehl

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