Service apparatus for an escalator or motorized stairway

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United States of America Patent

PATENT NO 10118803
APP PUB NO 20160244300A1
SERIAL NO

15047852

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A system and method for simultaneously cleaning riser and step portions of movable stairs in an escalator is disclosed. The system includes a frame comprising a set of guide arms, a set of first service systems movably connected to the frame, and a set of second service systems removably mounted to the frame. The first service system includes a set of interchangeable servicing units. The set of second service systems is optionally interchangeable. The method including the steps of engaging the set of second service systems with each movable stair of the set of movable stairs and simultaneously engaging the set of first service systems with a riser portion of each movable stair of the set of movable stairs and a step portion of each movable stair of the set of movable stairs.

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Patent Owner(s)

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International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hengst, Thomas Walker Dallas, US 2 0
McLellan, Bruce Round Rock, US 5 27

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