Rotatable heliborne beam for supporting metric photo-cameras sui

Details Rotatable heliborne beam for supporting metric photo-cameras sui Rotatable heliborne beam for supporting metric photo-cameras sui

1985-12-09

1987-06-02

Griffin, Donald A.

G03B 3900

Patent

active

046698434

ABSTRACT:
Heliborne beam for supporting at its two ends metric photocameras suitable to industrial stereophotogrammetric surveys, constituted by a plurality of cylindrical tubular sections linked in sequence with each other by means of flanges, and supported manually rotatable, but not longitudinally sliding with their center section inserted inside three clamp collars mounted, through double-effect cylindrical shock absorbers, on a base or bench fastened on to the floor of helicopter's cabin; at the end of the beam, two cylindrical housings with aerodynamic closure elements and provided with "eyelid" door, inside which the photocameras are supported by means of a frame linked to the housing by means of two respectively radial and axial shock absorbing units, and provided with two inner guides into which the side supporting pins of the said photocamera are inserted.

REFERENCES:
patent: 2506095 (1950-05-01), Mantz
patent: 3523660 (1970-08-01), Attebery et al.
patent: 4162776 (1979-07-01), Sibley et al.
patent: 4174162 (1979-11-01), Giacomini et al.
patent: 4218702 (1980-08-01), Brocard et al.

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