Stud welding device
AssigneeUSM Corporation
InventorsGunther Allmann, Hans Wiessler
Life of this patent
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Abstract
A stud welding gun has a forepart which includes the delivery end of an automatic stud-feeder and is secured to the housing by a quick releasable joint so as to be readily replaceable by another forepart supplying a stud of different size. The gun includes a pneumatic piston and piston rod which serves to push a stud into the collet after delivery to the gun. The piston rod is detachable from the piston and means is provided for locking it in the forepart so that it is replaced into the forepart for studs of different size.
Claims8
A stud welding device comprising a housing, a welding head, a stud-loading facility, a resiliently expandable collet and a reciprocable loading pin secured to a thrust piston operating in a pneumatic cylinder characterised in that the welding head is secured to the housing by means of a quick-releasable joint that the welding head is provided with a locking device for locking the loading pin inside the welding head the loading pin being detachably mounted in a bore of the thrust piston so that the welding head with the loading pin locked therein can, after releasing the joint be removed axially from the housing.
Dependencies are inferred from the claim text.