Telescoping mast assembly

Details Telescoping mast assembly Telescoping mast assembly

1991-06-19

1992-08-18

Bui, Thuy M.

Endless belt power transmission systems or components

Positive drive pulley or guide roll

With particular belt

F16G 1302

Patent

active

051394642

ABSTRACT:
A rigid drive assembly for a telescoping mast is comprised of a pair of flexible link chains disposed at right angles to one another with respect to the pivot axes of the chain links and provided with interengaging latching elements which rigidly interconnect the two chains for movement along a linear path to extend and retract the mast. The two chains are spaced apart, and the latching elements interengage in the space between the two chains and include a plurality of latching plates on one of the chains extending transversely of the path and having openings therethrough in the direction of the path, and a pair of driving latch members for each latch plate engaging opposite sides of the latch plate and having a finger extending into the opening thereof.

REFERENCES:
patent: 2038149 (1936-04-01), Walters
patent: 3086210 (1963-04-01), Good et al.
patent: 3181730 (1965-05-01), Schafruth
patent: 3217553 (1965-11-01), Patrignani
patent: 3949619 (1976-04-01), Kuehl

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