Bollhoff Verbindungstechnik Gmbh

Klaus Friedrich Grubert

Michael Stumpf

Jochen Rintelmann

Xavier Sutz

Wulf Leitermann

Uwe Kirchhecker

Frank Kassing

A moldable wire thread insert for reinforcing a screw-in opening of a component has the following characteristics: a cylindrical spiral made of a helically, wound wire, the neighboring coils of which are arranged such that a closed cylindrical spiral wall is present, while at least one end of the cylindrical spirals has a fastening flange, which extends radially outwards over the cylindrical spiral wall and with which the wire thread insert is anchorable in the component and/or one end of the cylindrical spiral is designed in a planar manner in order to form an even axial front surface of the cylindrical spiral.

Moldable wire thread insert, method for its production, component with a moldable wire thread insert as well as a method for its production

A moldable wire thread insertfor reinforcing a screw-in opening of a component has the following characteristics: a cylindrical spiralmade of a helically, wound wire, the neighboring coilsof which are arranged such that a closed cylindrical spiral wallis present, while at least one end of the cylindrical spiralshas a fastening flange, which extends radially outwards over the cylindrical spiral walland with which the wire thread insertis anchorable in the component and/or one end of the cylindrical spiralis designed in a planar manner in order to form an even axial front surface of the cylindrical spiral

A device for joining a first component A and a second component B while leaving a joining gap SP includes a boltand a compensating coilfor compensating tolerances of the joining gap. The compensating coil is adapted to be fixed to the boltby frictional engagement means and/or releasable positive engagement means. The dimensions of the compensating coil are adapted to a helical rim hole portionof the first component A such that actuation of the boltcauses the compensating coil to rotate through the helical rim hole portion until it fills the joining gap for the purpose of tolerance compensation, and the frictional engagement means and/or releasable positive engagement means is overcome by further actuation of the boltso that the bolt can be screwed into a threaded hole of the second component B to join the two components.

Device for joining two components with tolerance compensation

An assembly for automatically compensating variations of the spacing between first and second structural members due to manufacturing and/or mounting tolerances. The assembly comprises a mounting bolt, a base element, and an adjustment sleeve. The adjustment sleeve has a drive portion adapted to be engaged with the nut by frictional drag and rotatable relative to said mounting bolt when said frictional drag has been overcome. The drive portion comprises an internal annular plastic portion which projects from the wall of the adjustment sleeve radially outwards sufficiently so as to frictionally engage the threads of the mounting bolt to provide for said frictional drag.

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Bückeburg, Germany

Klaus Friedrich Grubert