Self-leveling sign hanger

Details Self-leveling sign hanger Self-leveling sign hanger

2007-07-31

2007-07-31

Ramirez, Ramon O (Department: 3632)

Supports

Suspended supports

Adjustable

C040S601000, C248S332000, C254S046000

Reexamination Certificate

active

08596081

ABSTRACT:
A device for raising and lowering a sign suspended from a ceiling, comprising a reversible motor adapted to be mounted to the ceiling at a first location; a sign carrier for holding a sign to be suspended from the ceiling; and a line running from the motor, to the sign carrier, and back to the ceiling at a second location spaced from the first location. The line is mounted to the ceiling at the second location. The motor is controlled to turn in opposite directions to raise and lower the sign carrier in relation to the ceiling, to allow a sign held by the sign carrier to be positioned relative to the ceiling.

REFERENCES:
patent: 4434570 (1984-03-01), Roos
patent: 4872632 (1989-10-01), Johnson
patent: 5381991 (1995-01-01), Stocker
patent: 5409191 (1995-04-01), Wenmaekers
patent: 5438780 (1995-08-01), Winner
patent: 5480116 (1996-01-01), Callas
patent: 5529274 (1996-06-01), Anderson et al.

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