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Probe for penetrating and displacing particularly into a mass of pulverulent material

  • US 5,377,551 A
  • Filed: 07/15/1991
  • Issued: 01/03/1995
  • Est. Priority Date: 03/02/1990
  • Status: Expired due to Fees
First Claim
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1. A probe assembly adapted to penetrate a pulverulent mass of food grains, such probe assembly comprising a hull defining a cylindrical hollow therein, a striking zone integral with the hull and located in the hollow at one end thereof, a striking piston disposed within the hollow and slidable between a first position remote from said striking zone and a second position impacting against said striking zone, and a pneumatic motor actuatable by compressed air for projecting said striking piston against said striking zone, said striking piston being adapted to transmit to the hull substantially all the kinetic energy of the striking piston, thereby moving the probe assembly by itself within the mass of food grains, exhaust means located on the sides of the hull for exhausting the air from the pneumatic motor after each impact of the striking piston on a striking zone, wherein said exhaust means includes an external filter to prevent any entry of food grains into the interior of the hull.

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