Mast arrangement and method for connecting a tool unit to a mast carriage of a mast arrangement

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9873998
SERIAL NO

14609100

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The invention relates to a mast arrangement for a construction machine with a mast having a mast guide, along which a mast carriage is supported in a movable manner which is connected to a hydraulic source and has a first hydraulic coupling part for hydraulically connecting a tool unit to a hydraulic source on the mast carriage. According to the invention provision is made for the tool unit to have a tool guiding device. On a frame of the tool unit a second hydraulic coupling part is arranged. Upon movement of mast carriage and tool unit towards each other along the mast guide the first hydraulic coupling part of the mast carriage can be linked up hydraulically to the second hydraulic coupling part on the tool unit. A locking device is provided which is spaced from the hydraulic coupling parts and has at least one hydraulically operable latch bolt.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

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
Kraus, Wolfgang Schrobenhausen, DE 26 107
Otto, Hans-Philipp Aichach, DE 4 5

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 23, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 23, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00