Patent ID: 7950563
Filing Date: 2011-05-31
Classification: B23K,B23Q

Abstract:
1. An apparatus for applying axial pressure to a workpiece; the apparatus comprising: (a) a base unit and a welding tool affixed with a rotating process shaft; (b) a pneumatic motor coupled with said base unit and with a drive shaft; said pneumatic motor imparting a rotating motion to said drive shaft about a first longitudinal axis; said drive shaft being coupled for imparting a rotating motion to said process shaft about a second longitudinal axis; said first longitudinal axis and said second longitudinal axis being substantially parallel; (c) a flywheel unit coupled with at least one shaft of said drive shaft and said process shaft; said flywheel unit including a flywheel fixture coupled with said at least one shaft; said flywheel fixture presenting a well structure containing a flywheel insert element installed in surrounding relation about a flywheel mounting unit and secured through apertures extending from said flywheel insert element; and (d) at least one urging unit coupled with said base unit; said urging unit moving said welding tool toward and away from said workpiece along a path generally parallel with said second longitudinal axis; said axial pressure being applied by said urging unit moving said tool against said workpiece.