Patents Examined by David Bartczak
  • Joint in fume-extracting welding gun
    Patent number: 5007664
    Abstract: A conventional T-Y joint of a fume-extracting welding gun is constructed of two semi-circularly contoured parts which are snap-locked together along a longitudinal line of join. One part may have a cylindrical portion integrally formed therewith to form an end closure for the joint. The end closure has bores for utility feeds therethrough, with that for the power cable being provided with an integrally-formed hexagonal recess to receive a hexagonal nut on the power cable to enable the power cable to be clamped to the joint.
    Type: Grant
    Filed: October 17, 1989
    Date of Patent: April 16, 1991
    Assignee: Mig Vac Inc.
    Inventor: Robert N. Mann