Cage-chair which may be coupled to helicopters to perform constr

Details Cage-chair which may be coupled to helicopters to perform constr Cage-chair which may be coupled to helicopters to perform constr

1995-06-19

2000-01-11

Carone, Michael J.

Aeronautics and astronautics

Aircraft structure

Load accommodation

2441185, 2441186, 182150, 182222, B64D 900

Patent

active

060126779

ABSTRACT:
A chair-cage adapted to be coupled to a helicopter and used in construction and maintenance of high tension electricity towers and/or lines including a tubular support structure having a first substantially semi-circular tube, first horizontal support bars extending between two locations on the first tube, a horizontal crossbar extending between the first horizontal support bars for connecting the same and a veneer extending over the first tube, the first horizontal support bars and the horizontal crossbar. The chair-cage also includes first vertical bars each extending from an edge of a respective first horizontal support bar, a second substantially semi-circular tube spaced from the first tube and shaped to form a protection bow for the operator, a second horizontal bar connected to and extending between the first vertical bars, second vertical bars each extending from an end region of the horizontal crossbar, third horizontal bars each connected to a respective first vertical bar and a respective second vertical bar, and a stool mounted above locations at which the second vertical bars and third horizontal bars are connected to one another.

REFERENCES:
patent: 3863736 (1975-02-01), McWilliams
patent: 4637575 (1987-01-01), Yenzer
patent: 4673059 (1987-06-01), Kurtgis
patent: 5295557 (1994-03-01), Taylor
patent: 5328133 (1994-07-01), Charest et al.

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