Sealing arrangement for a tightening tool

A handheld electric tightening tool comprising:

• a housing;
• and
• a sealing arrangement,
• wherein the sealing arrangement is adapted to seal a first portion of the housing from a second portion of the housing, and comprises a sealing element and a spring,
• wherein the sealing element comprises a first portion adapted to bear against a shoulder formed in the housing, and a second portion adapted to bear against a portion of an outer surface of a rotating axle of the tool,
• wherein the spring is adapted to, at a first end, bear against a shoulder formed in the sealing element and, at a second end, bear against a supporting element arranged on the axle, such that a force is exerted on the sealing element urging the sealing element against the shoulder formed in the housing,
• wherein the sealing element comprises an intermediate portion arranged between the first portion and the second portion of the sealing element, and
• wherein the intermediate portion is a resilient portion such that the second portion of the sealing element is biased against the outer surface of the axle.