Pneumatically telescoping mast

Details Pneumatically telescoping mast Pneumatically telescoping mast

1996-01-16

1998-04-28

Sember, Thomas M.

Illumination

Supports

Fluid pressure controls movable light support

362 74, 362419, 362294, F21V 2122

Patent

active

057436355

ABSTRACT:
An improved pneumatically telescoping mast supported for pivotal movement in opposite directions is provided. The mast includes adjacent telescoping sections slidable relative to one another between retracted and extended positions. A pneumatic control system for displacing the mast sections between retracted and extended positions is also provided as is a system for pivoting the mast in opposite directions about the pivot axis between the horizontal and vertical positions. The mast includes a light source mounted at the other upper end of the mast which is capable of running on the same DC power source as the pneumatic control system and the mast pivoting system.

REFERENCES:
patent: 4413451 (1983-11-01), Featherstone et al.
patent: 4488209 (1984-12-01), Gosswiller
patent: 5066866 (1991-11-01), Halliday
Woodway Engineering, Limited, Brochure-Hy-Light, Sep. 11, 1996.

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