Patent ID: 11931872
Assignee: ATLAS COPCO INDUSTRIAL TECHNIQUE AB
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A bolt tensioning tool adapted to tension a threaded bolt or pin protruding from a workpiece, the tool comprising:
a bolt receiving element having an internal thread adapted to be screwed onto the threaded bolt or pin;
a nut socket adapted to receive a nut to be screwed onto the bolt,
an axle coupled to, and adapted to exert an axial force on, the bolt receiving element, the axle comprising an external thread;
a threaded sleeve arranged to engage the axle and having an internal thread adapted to cooperate with the external thread of the axle such that a relative rotational movement between the axle and the threaded sleeve result in a relative axial displacement between the axle and the threaded sleeve;
a supporting sleeve coupled to the threaded sleeve and adapted to at a first end selectively bear against the workpiece such that a reaction force may be transmitted to work piece, thereby counteracting the axial force exerted on bolt by axle; and
a coupling adapted to connect the nut socket and the supporting sleeve, wherein the coupling is a coupling allowing a limited relative movement between the nut socket and the supporting sleeve.