Patent ID: 8393501

Claim:
A power operated dispensing tool for dispensing material comprising: a body portion for supporting a rod connected to a piston for engaging and advancing material from the power operated dispensing tool during operation; a selected one of a plurality of different sized housings having differing lengths and outer housing profiles of both uniform and perforated shapes for supporting varying size and different shapes of material containers types during use, the plurality of different sized housings further having a dispensing end and an attachment end; and a uniformly sized attachment assembly for tool-free connecting of said plurality of different sized housings to said body portion, the attachment assembly comprising a first connecting arrangement located on all of said plurality of different sized housings at said attachment end and a second connecting arrangement located at said front side of said body portion, the first connecting arrangement comprising a first set of threads annularly located about a surface of said first connecting arrangement and the second connecting arrangement comprising a second set of threads annularly located about a surface of said second connecting arrangement, the first and second set of threads forming a threaded connection allowing for the attachment of any one of said plurality of different sized housings to said body portion.