| 摘要 |
<p>A wire-feed mechanism comprising a housing (1) in which are mounted two cooperable wire-feed rollers (8) freely rotatably supported on respective axles (7) which are arranged at an angle to one another and to a wire-feed path through the mechanism, whereby in use the housing (1) will rotate around a wire (18) and the rollers (8) will operate on the wire in a planetary manner to feed the wire (18) through the housing (1), at least one of the two rollers (8) being urged towards the wire-feed path by a spring washer means (10) which acts on portions (11) of the roller axle (7) at opposite axial sides of the roller (8).</p> |
