Fluid operated device esp. with pump for use with rescue equipment

The tool is replaceable and interchangeable and is coupled to the pump solely through a flexible pipe (5) for supplying the pressure-biased fluid. The drive (3) is coupled to the pump (4) by a rotary joint (7) whereby the tool (6) can rotate or swivel with the pipe and pump relative to the drive. Th...

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Bibliographic Details
Main Authors MORITA, KOU, AYASE, KANAGAWA, JP, KIMURA, KIYOSHI, FUJISAWA, KANAGAWA, JP
Format Patent
LanguageEnglish
German
Published 05.03.1998
Edition6
Subjects
BROACHING
CHAMBERS PROVIDED WITH MANIPULATION DEVICES
CUTTING
DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING
FILING
HAND CUTTING TOOLS
HAND TOOLS
LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR
MACHINE TOOLS
MANIPULATORS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
PLANING
PORTABLE POWER-DRIVEN TOOLS
SAWING
SCRAPING
SEVERING
SHEARING
SLOTTING
TRANSPORTING
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Summary:The tool is replaceable and interchangeable and is coupled to the pump solely through a flexible pipe (5) for supplying the pressure-biased fluid. The drive (3) is coupled to the pump (4) by a rotary joint (7) whereby the tool (6) can rotate or swivel with the pipe and pump relative to the drive. The tool can be a breaker unit (6) for opening steel doors comprising a body (10) containing a movable piston, a pair of breaker jaws (20) mounted on the body for swivelling between a closed position where the jaws adjoin one another and an open position there whey are spread out, and also a wedge (15) supported by a piston rod extending out of the piston. The jaws can have a pair of rollers.
Bibliography:Application Number: DE1997137133