Construction machine and method for upward and downward movement of a lifting element

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United States of America Patent

PATENT NO 10023444
APP PUB NO 20170066633A1
SERIAL NO

15258255

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Abstract

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The invention relates to a construction machine having a mast and a lifting element which can be moved up and down along the mast with a hoist rope. The hoist rope can be activated by means of two rope winches. At least one first rope winch is designed as a free fall winch, wherein the hoist rope can be lowered in free fall. To lower the hoist rope a controller is provided, with which the first rope winch, which is designed as a free fall winch, can be switched into a free fall mode. Meanwhile, a second rope winch is operated in force-locking manner.

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Patent Owner(s)

Patent OwnerAddress
BAUER MASCHINEN GMBHBAUER-STR 1 SCHROBENHAUSEN 86529

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huber, Ludwig Andreas Thalhausen, DE 9 39
Sedlmeier, Johannes Jetzendorf, DE 2 8
Weixler, Leonhard Thierhaupten, DE 19 130

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