A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/178 (2006.01)
Patent
CA 2136483
A piston placer apparatus comprising a turntable, having a plurality of apertures therein, mounted on a drive shaft for rotation; a cam collar, having a curvilinear surface, encircling the drive shaft at a position beneath the turntable; a plurality of plunges having cam followers at the foot thereof, the plungers being mounted on the turntable in guides for vertical reciprocation through the apertures; a barrel support plate mounted on the drive shaft for rotation in a position above the turntable, the barrel support plate having apertures therein aligned with the plungers; a barrel star wheel mounted on the drive shaft above the barrel support plate having a plurality of slots therein, the slots aligned with the apertures in the barrel support plate and slidably receiving the barrels such that one slot positions one barrel above one aperture in the barrel support plate; and a barrel retaining plate mounted on the drive shaft above the barrel star wheel for retaining the barrels in the wheel; where, upon rotation of the drive shaft with respect to the cam collar, the cam followers travel along the curvilinear surface on the cam collar thereby causing the plungers to move from a position below the barrel support plate through the aperture in the barrel support plate such that when a piston member is mounted on the plunger and the drive shaft is rotated, the piston is inserted into the barrel.
Franklin Truman
Gowling Lafleur Henderson Llp
Inc. Erbamont Inc. D/b/a Adria Laboratories
LandOfFree
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