Solar sign assembly
Patent
·
OSTI ID:6579984
A display assembly is provided including a base, a D.C. Motor mounted completely within the base, a solar cell operatively mounted to the base, and a sign member rotated by the motor. A sleeve is provided on an elongated shaft connected to the sign member, and that sleeve slips over the motor shaft to provide an interference fit, but not a press fit. The sign has sufficient cross-sectional area to provide enough air-resistance so that, in combination with the interference fit between the shafts, the sign will turn at an appropriate speed for easy reading even though the motor shaft is turning much more quickly.
- Assignee:
- IFI; EDB-81-050175
- Patent Number(s):
- US 4227327
- OSTI ID:
- 6579984
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140600* -- Solar Energy-- Photovoltaic Power Systems
APPLIANCES
DIRECT ENERGY CONVERTERS
ELECTRIC MOTORS
ELECTRONIC EQUIPMENT
ENERGY
ENERGY SOURCES
EQUIPMENT
MACHINE PARTS
MOTORS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHOTOVOLTAIC POWER SUPPLIES
POWER SUPPLIES
RENEWABLE ENERGY SOURCES
SHAFTS
SOLAR CELLS
SOLAR ENERGY
SOLAR EQUIPMENT
USES
140600* -- Solar Energy-- Photovoltaic Power Systems
APPLIANCES
DIRECT ENERGY CONVERTERS
ELECTRIC MOTORS
ELECTRONIC EQUIPMENT
ENERGY
ENERGY SOURCES
EQUIPMENT
MACHINE PARTS
MOTORS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHOTOVOLTAIC POWER SUPPLIES
POWER SUPPLIES
RENEWABLE ENERGY SOURCES
SHAFTS
SOLAR CELLS
SOLAR ENERGY
SOLAR EQUIPMENT
USES