Patent ID: 7284404

Claim:
An intake distributing device of a rivet-nut gun comprising: a) a body shell having two separate intake passages located a lower part of a rear end of the body shell; b) a pull rod assembly located on a front end of the body shell; c) a pneumatic motor assembly located on a center of the rear end of the body shell and having a piston rear lid having two intake holes and an exhaust hole; d) a threaded sleeve located on the rear end of the body shell; and e) a tail lid connected to the threaded sleeve and having: i) an outer shell connected to an exterior of the rear end of the body shell; and ii) two separate pipes located on an interior of the outer shell of the tail lid, each of the two separate pipes has a pipe passage connected to and communicating with a corresponding intake passage of the two separate intake passages and a plug pipe connected to and communicating with a corresponding intake hole of the two intake holes of the piston rear lid.