G - Physics – 01 – F
Patent
G - Physics
01
F
73/69
G01F 23/00 (2006.01) G01F 23/20 (2006.01)
Patent
CA 2011758
Abstract of the Disclosure Apparatus for indicating level of material comprises a cable vertically suspended so as to contact and be surrounded by the material. The cable is suspended from a cam follower mechanism that engages a cam coupled to a motor for selectively introducing slack in the cable, such that the upper portion of the cable unsupported by the material engages and is suspended from a load cell. Circuitry is responsive to cable weight measured by the load cell for indicating level of the material. The motor comprises a rotary electric motor having a horizontal axis of rotation perpendicular to the vertical cable. The cam comprises a cam plate coupled to the motor to rotate about the motor axis and having an asymmetric periphery surrounding the axis of rotation. The cam follower mechanism comprises an arm pivotally mounted in fixed position adjacent to the cam plate and supporting a roller that engages the cam plate periphery. The cable is suspended from the pivot-remote end of the arm, so that weight of the cable and the roller arm hold the roller in contact with the cam plate periphery.
Fleckenstein Phillip P.
Knepler John T.
Regentin Randall J.
Berwind Corporation
Fleckenstein Phillip P.
Knepler John T.
Marks & Clerk
Regentin Randall J.
LandOfFree
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