Device for guiding a telescopic part for a telescopic boom

Details Device for guiding a telescopic part for a telescopic boom Device for guiding a telescopic part for a telescopic boom

1997-03-04

1998-11-03

Brahan, Thomas J.

Traversing hoists

Boom or mast

Extensible by sliding sections

384 41, 384 42, B66C 2369

Patent

active

058296069

ABSTRACT:
A boom collar for an outer telescopic boom section of a telescopic boom includes a tension belt forming at least a bottom surface and first and second curved corner portions of the collar. First and second sliders are disposed in the first and second curved corner portions, respectively, and the first and second sliders translate along the tension belt about a longitudinal axis of the said telescopic boom. First and second webs are connected to either side of the tension belt, and prevent the first and second sliders from moving in a direction of the longitudinal axis.

REFERENCES:
patent: 3315821 (1967-04-01), Grove
patent: 3338642 (1967-08-01), Ortelli
patent: 3690742 (1972-09-01), Sung
patent: 3719404 (1973-03-01), Sterner
patent: 4016688 (1977-04-01), Tiffin et al.
patent: 4148531 (1979-04-01), Hornagold
patent: 4350255 (1982-09-01), Blase et al.
patent: 4434902 (1984-03-01), Goode et al.
patent: 4478014 (1984-10-01), Poock et al.
patent: 4759452 (1988-07-01), Faint et al.
patent: 5158189 (1992-10-01), Watson et al.

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