Flag pole mounted unfurling device

Details Flag pole mounted unfurling device Flag pole mounted unfurling device

2007-09-18

2007-09-18

Smith, Richard (Department: 2859)

Signals and indicators

Flags and flagstaffs

Nonfouling

Reexamination Certificate

active

11106365

ABSTRACT:
A flag pole mounted unfurling device is installed on a flagpole and rotates to minimize the unwanted furling of the flag. The device includes a lower swivel, an upper swivel, and a baton that extends between the lower swivel and the upper swivel to retain the two swivels in alignment and properly separated. The upper swivel and lower swivel are free to rotate around the axis of the pole while the baton serves to couple the upper and lower swivels together, both rotationally and longitudinally. The entire assembly is longitudinally retained on the pole by an upper collar and a lower collar and minimizes the unwanted furling of a flag through ‘dynamic instability.’

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patent: 2002/0178997 (2002-12-01), Tsui-Hua
patent: 2005/0263061 (2005-12-01), Llewellyn

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