Paring chisel retaining device and clamping element for such retaining device

The safety bolt (20) is held in place with the aid of a plug (31) inserted into a depression (28) in the bolt. The plug protrudes from the front side (33) of a base arm (32) designed to be inserted into a cavity (11) in the bolt shaft. An opening (35) in the plug extends towards the rear side (37) o...

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Bibliographic Details
Main Authors TILLESSEN UWE, SIEPENKORT GERHARD, HESSE NORBERT, KLABISCH ADAM, DUHNKE KLAUS
Format Patent
LanguageCzech
English
Published 18.04.2005
Edition7
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
MINING OR QUARRYING
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Summary:The safety bolt (20) is held in place with the aid of a plug (31) inserted into a depression (28) in the bolt. The plug protrudes from the front side (33) of a base arm (32) designed to be inserted into a cavity (11) in the bolt shaft. An opening (35) in the plug extends towards the rear side (37) of the base arm. A safety bolt is passed through an opening in a knife holder face and into a locking groove (6) in one side of the knife shaft (4). The bolt is fixed into position by a deformable plastic clamp with two arms extending at an angle to each other. In the locking position, one arm is inserted into a depression in the knife shaft and the other arm is inserted into a cavity in the bolt.
Bibliography:Application Number: CZ20040016087U