Bi-directional spring brake for a photoductive drum

Bi-directional spring brake for a photoductive drum

A photoconductive drum assembly according to one embodiment includes a photoconductive drum rotatable about a rotational axis in first and second rotational directions. A spring brake has a coiled portion wrapped around a portion of the photoconductive drum at its axial end and around the rotational...

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Hauptverfasser: Dickerson James Eric, Freels Kyle Benjamin, Fahmy Alfred Louis
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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creator Dickerson James Eric
Freels Kyle Benjamin
Fahmy Alfred Louis
description A photoconductive drum assembly according to one embodiment includes a photoconductive drum rotatable about a rotational axis in first and second rotational directions. A spring brake has a coiled portion wrapped around a portion of the photoconductive drum at its axial end and around the rotational axis of the photoconductive drum. The spring brake has a first arm and a second arm. The first arm is positioned to flex in an unwinding direction causing the coiled portion to unwind upon the first arm receiving a force in the first rotational direction. The first arm is positioned to flex in a winding direction and to push the second arm in an unwinding direction relieving winding of the coiled portion caused by the flexing of the first arm in the winding direction of the first arm upon the first arm receiving a force in the second rotational direction.
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subjects CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
title Bi-directional spring brake for a photoductive drum
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