Signals and indicators – Flags and flagstaffs
Patent
1980-04-09
1982-06-01
Howell, Kyle L.
Signals and indicators
Flags and flagstaffs
G09F 1700
Patent
active
043322107
ABSTRACT:
A flagpole system for automatically displaying and furling a flag employing a motorized drive in which a frictional roller causes the flag to be loosely folded without a spindle into or unfolded from a waterproof cylindrical housing. The system employs both light sensitive and moisture sensitive circuits to automatically activate the DC motor for furling and unfurling the flag. During furling of the flag, when the flag is fully furled, a welt along the side of the flag causes an amperage overload in the motor to take place, activating an amperage overload switch and turning off the motor. At the same time the amperage overload switch reverses the current so that, when the motor is reactivated to lower the flag, the flag will be unfurled. A similar welting overload system is used in the unfurling operation. The drive roller can include uni-directional flicking members on their surface for a flicking action in the furling operation only. The system can be grounded mounted (FIG. 5) or wall mounted (FIG. 9).
REFERENCES:
patent: 1359818 (1920-11-01), Marr
patent: 2579563 (1951-12-01), Gallinger
patent: 3675616 (1972-07-01), McInnis
Popular Mechanics, p. 162, vol. 98, Issue No. 1, Jul. 1952.
Corr Denis E.
Howell Kyle L.
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