Patent ID: 8866037

Claim:
Spot welding tongs with tong compensation, comprising: a) a tong base body, b) two tong arms, and c) wherein said tong base body is designed to convert a rotational movement into a linear movement, d) a compensation unit movably connecting one of said two tong arms, said compensation unit comprising: i) a drive unit; and ii) a rotatable eccentric disc having a limited range of rotation; iii) a connector element, wherein said connector element is eccentrically and movably coupled to said rotatable eccentric disc and coupled to said drive unit, wherein said connector element is designed to be curved in an end region around said rotatable eccentric disc wherein a portion of said rotatable eccentric disc is designed as a lever including a bore for fixing the connector element wherein said compensation unit in combination with said tong base body is configured to convert a rotational movement into a linear movement to maintain the spot welding tongs in a same location in any possible welding position.