Tightening tool for a screw element having a line, and coupling part and screw element
AssigneeLabomatic Instruments AG
InventorClaude Marchand
Life of this patent
Estimating the term…
Abstract
Disclosed is a tightening tool for a screw element, having a tool receptacle and an associated line. A coupling part is provided, which is formed at a free end for engaging with the tool receptacle in a form-closed manner and transitions into a handle or can be coupled to a handle at the other end. The coupling part has an interior and at least one lateral opening for inserting or leading out the line at least at the free end of the coupling part. The interior and the opening extend to the free end and are open there. The invention further relates to a coupling part and to a screw element.
Claims2
A screw element having a head part which is configured for the engagement of a tool, having a threaded cylinder and having a central bore which is configured for the reception of a line, wherein the head part is provided with longitudinal grooves at its outer side extending in a longitudinal direction from an end face of the head part which longitudinal grooves are approximately semi-circular shaped in cross-section, and wherein run in regions for the longitudinal grooves are provided at the said end face, which run in regions taper in the direction of the longitudinal grooves, wherein the screw element is either configured as a hollow screw bolt or as a sleeve nut.
Dependencies are inferred from the claim text.