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US 5,365,685 AGranted
Aerial advertising wind tube
OwnerLynn D. Shankinventor
Life of this patent
Estimating the term…
Abstract
A lightweight wind tube utilized for advertising, constructed of fabric with a constant diameter having annular sleeve at each end. The forward end sleeve being held in an open circle by flexible frame members with furled ends which are positioned in lateral openings in the forward end sleeve to provide attachment points for mounting yoke strings and access for disassembly. The wind tube further includes a rear sleeve formed in the exit end of the tube including a string for adjusting the choke in the exit end of the tube.
Claims6
An adjustable choke wind tube utilized for attachment to a substantially vertical line in a stationary position, comprising:
- an elongated air inflatable tube constructed of fabric with a substantially constant diameter having an open entry end and an exit end;
- the entry end being formed with a first annular sleeve there around and a pair of lateral openings therein;
- the exit end being formed with a second annular sleeve there around;
- a circular frame means positioned in the first annular sleeve for maintaining the entry end of the wind tube, the frame including at least one removable flexible rod with connecting means on the ends thereof;
- a string means positioned in the second annular sleeve forming an adjustable loop for adjusting the choke in the exit end of the tube to accommodate different wind velocities and maintain constant pressure within the tube.
2 more elements
Dependencies are inferred from the claim text.