Telescoping mast assembly

Details Telescoping mast assembly Telescoping mast assembly

1991-05-09

1992-12-08

Scherbel, David A.

Static structures (e.g., buildings)

Mechanism operated relatively movable shaft assembly

Tilts relative to base

52108, 52121, 521231, 52114, E04H 1218

Patent

active

051686791

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:
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patent: 4575976 (1986-03-01), McDermott et al.
patent: 4657112 (1987-04-01), Ream et al.
patent: 4789120 (1988-12-01), Spidel

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